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6615-00-181-2719 (MIL-G-25597)

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6615-00-181-2719 is equivalent to manufacture part number 43550-2. It is a displacement gyroscope and is classified under Federal Supply Class 6615 (6615 - Automatic Pilot and Gyro Components), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6615 - Automatic Pilot and Gyro Components and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.

NSN 6615001812719
ALT NSN 6615-00-181-2719
NIIN 00-181-2719
NCB 00
FSC 6615
NSIN 181-2719
MNF PART 43550-2
DESC GYROSCOPE, DISPLACEMENT
ALT DESC DISPLACEMENT GYROSCOPE
MNF ALT's 43550-2 | MD1 | MIL-G-25597
OTHER ALT's 435502 | MD1 | MILG25597
Part & Reference Numbers (3)
Part NumberCAGEManufacturer StatusRNCCRNVCDACRNAACRNFCRNSCRNJCSADCHCCMSDS
43550-2 50027 UNDERSEA SENSOR SYSTEMS INC A 3 2 5 TU
MD1 81349 MILITARY SPECIFICATIONS A 4 1 4 KE 1 B
MIL-G-25597 81349 MILITARY SPECIFICATIONS A 4 1 4 ZZ
Item Characteristics (22)
MRCRequirementReply
ABHPOVERALL LENGTH9.562 INCHES NOMINAL
ABKWOVERALL HEIGHT4.844 INCHES NOMINAL
ABMKOVERALL WIDTH4.781 INCHES NOMINAL
ACDCCURRENT TYPEAC
AGBCUNABLE TO DECODEUNABLE TO DECODE
APGFDESIGN TYPENONCAGEABLE
APQBUNIT TYPEVERTICAL
BBWDWHEEL POWER METHODELECTRIC
BBWFFREEDOM AXIS QUANTITY2
BBWGGIMBAL QUANTITY2
BBWHAXIS DISPLACEMENT LIMITATION IN DEGPORM 82 DEG FOR PITCH AXIS
BBWJGIMBAL TORQUE APPLICATION METHODTORQUE MOTOR
BBWKTORQUED GIMBAL QUANTITY2
BBWLSENSING OUTPUT/SIGNAL LEVEL METHODSYNCHRO OUTPUT 115 V INTERNALLY EXCITED,11.8 V OUTPUT
BBWNINSTRUMENT TYPEUNFLOATED
CXCYPART NAME ASSIGNED BY CONTROLLING AGENCYGYROSCOPE,DISPLACEMENT,ROLL AND PITCH
ELECVOLTAGE IN VOLTS115.0
FAAZPHASETHREE
FREQFREQUENCY IN HERTZ400.0
RTSERELATIONSHIP TO SIMILAR EQUIPMENTSBU-23A/A GYROSCOPE CAN BE USED WITH THE MD-1 MOUNTING PLATE AS A REPLACEMENT
ZZZTNONDEFINITIVE SPEC/STD DATAMD1 TYPE
ZZZVFSC APPLICATION DATAGYROSCOPE,DISPLACEMENT
Management Data
MOESOSAACUIUI ConvMgmt CtrlUnit PriceQUPCIICSLCEffectiveC/H
DA B16 V EA G21QGX- $30504.49 1 7 0 01-OCT-2025 C
DF FHZ C EA SF8---N $30504.49 1 U 0 01-FEB-2026 C
DN NRP C EA 7RFZAR9 $30504.49 1 7 0 01-OCT-2025 C
Army Management
MATCAT 1MATCAT 2MATCAT 3MATCAT 4/5ARC
G21QGX
Navy Management
COGSMICIRRCSMCC
7RFZAR9
Air Force Management
ERRCFundBudgetMMACPVC
TSF8N
MOE Rules (9)
MOE RuleFormerAssignedAMCAMSCIMCIMCANIMSCDSORPICASICAAACCollaboratorsReceivers
A534 01-APR-91 0 0 E CL 4 FR SX CL CL TU
FXX4 01-APR-91 0 0 E SX F FT SX TU
NAXS 01-APR-91 0 0 E KE 5 FT SX KE KE TU
YA01 01-AUG-00 YA YA
YB01 01-APR-91 YB YB
ZC01 01-APR-91 ZC ZC
ZH01 01-APR-91 ZH ZH
ZU01 01-APR-91 ZU ZU
ZW01 01-NOV-05 ZW ZW
Freight / Transportation
NMFCSubUFCHMCLTLLCLWCCTCCSHCADCACCRVCIntegActyDescription
061700 Z 34580 W P 658 Z 9 A HZ 1 SX ELEC APPLIANCES/INSTRUMENTS NOI
Packaging Data — Part 1
PICA/SICATOSICQMOPClng/DryPres MatWrap MatPkg CatCush/DunThkUIUnit ContSourceUnpkg WtUnpkg Dim
P A 000 54 1 00 ZZ 69Z0 ZZ Z EA ZZ P 0026.0 010500650065
S B 001 51 1 00 EA ZZZ0 NA B EA ZZ A 0000.0 000000000000
Packaging Data — Part 2
PICA/SICALvl ALvl BLvl CUCLSpc MkgInter ContOPIPack WtPack CubePack DimSupplemental
P A ZZ 00 A 0068.0 0012.069 0304 X 0268 X 0256 USE LLRC CONTAINERS 8145-01-016-3451 OR 8145-01-016-3452 FO
S F F F A 03 MY M 0068.8 0012.070 0304 X 0268 X 0256 ZZ = HANDLING CASE 8145-01-016-3455
Special Packaging Instructions (2)
Design ActyContainer NSNSPI NoRevSPI DatePICA/SICA
8145010163451 S
F011072571 B 18131 P
Phrase Data (29)
CodeStatementMOEUSC
3REVERSAL OF PHRASE CODE S 6615-00-550-6628DAA
3REVERSAL OF PHRASE CODE S 6615-00-550-6628DFL
3REVERSAL OF PHRASE CODE S 6615-00-550-6628DNN
JINTERCHANGEABLE WITH 6615-00-181-2718DAA
JINTERCHANGEABLE WITH 6615-00-900-5959DAA
JINTERCHANGEABLE WITH 6615-00-903-4414DAA
JINTERCHANGEABLE WITH 6615-00-933-6037DAA
JINTERCHANGEABLE WITH 6615-00-973-2218DAA
JINTERCHANGEABLE WITH 6615-00-169-1461DAA
JINTERCHANGEABLE WITH 6615-00-060-5314DFL
JINTERCHANGEABLE WITH 6615-00-074-4036DFL
JINTERCHANGEABLE WITH 6615-00-169-1461DFL
JINTERCHANGEABLE WITH 6615-00-181-2718DFL
JINTERCHANGEABLE WITH 6615-00-900-5959DFL
JINTERCHANGEABLE WITH 6615-00-900-6853DFL
JINTERCHANGEABLE WITH 6615-00-903-4414DFL
JINTERCHANGEABLE WITH 6615-00-933-6037DFL
JINTERCHANGEABLE WITH 6615-00-951-9140DFL
JINTERCHANGEABLE WITH 6615-00-973-2218DFL
JINTERCHANGEABLE WITH 6615-00-900-5959DNN
JINTERCHANGEABLE WITH 6615-00-900-6853DNN
JINTERCHANGEABLE WITH 6615-00-169-1461DNN
JINTERCHANGEABLE WITH 6615-00-181-2718DNN
JINTERCHANGEABLE WITH 6615-00-903-4414DNN
JINTERCHANGEABLE WITH 6615-00-933-6037DNN
JINTERCHANGEABLE WITH 6615-00-951-9140DNN
JINTERCHANGEABLE WITH 6615-00-973-2218DNN
RREFER TO NET PRICE 26078.30DFL
RREFER TO NET PRICE 14320.36DNN
Identification
Item Name Code (INC)20599
Primary INC (PINC)0020599
NIIN Assigned30-MAR-1970
Schedule B (Export)9014900000
Precious Metals Ind (PMIC)A
Criticality CodeX
DEMIL CodeQ
DEMIL Integrity Code3
Hazardous Material Ind (HMIC)N
ADP Equipment Ind0
Item Indicator (II)1
ESD/EMI CodeA
IUID IndicatorY
Shipping Weight & Cube
Shipping Weight10 lb
Shipping Cube1.159 cu ft
Standardization / Related NSNs (2)
Related NSNISCDecision Date
6615-00-550-6628117-FEB-1998
217-FEB-1998

If the NSN isn't available, are there substitutes or alternate part numbers for NSN 6615-00-181-2719?

NSN 6615-00-181-2719 is associated with the following manufacturer alternate part numbers: 43550-2, MD1, MIL-G-25597. Whether you need to buy, order, or get wholesale pricing on any of these part numbers, NSN-PARTS.COM accepts quote requests for pricing and availability, including obsolete and hard-to-find inventory.

FAQ

6615-00-181-2719

What National Stock Number (NSN) Category does this 6615-00-181-2719


NSN 6615-00-181-2719 belongs to Federal Supply Class 6615 which is 6615 - Automatic Pilot and Gyro Components. This FSC is part of the federal supply catalog maintained by the U.S. Department of Defense and is used to standardize the procurement and cataloging of military and government components across all branches of the armed forces and federal agencies.

What traceability documentation is available for parts ordered through NSN-PARTS.COM?

Traceability is a core part of our sourcing process. Depending on the part and its supply chain origin, we can provide Certificates of Conformance (C of C), manufacturer packing slips, date codes, lot codes, and sourcing documentation that traces the item back through the distribution chain. For government and defense procurement, we understand that documentation requirements can be strict if your purchase order or contract specifies particular traceability requirements, include them in your RFQ and we will confirm our ability to meet them before order confirmation.

Does NSN 6615-00-181-2719 have an alternate part number?

Yes. NSN 6615-00-181-2719 is also referenced by manufacturer part number MILG25597, where MILG25597 is the original equipment manufacturer designation for this item. When sourcing this part, buyers may encounter either the NSN 6615-00-181-2719 or the MPN MILG25597 depending on the procurement system or supplier being used. NSN-PARTS.COM accepts quote requests using either the NSN or the manufacturer part number. For a full list of alternate part numbers associated with this NSN, see below.

Which country originally cataloged this NSN, and what is its National Codification Bureau (NCB) code?

Every NSN includes a two-digit National Codification Bureau (NCB) code in positions 5 and 6 of the full 13-digit number. That code identifies which country originally cataloged the item through the NATO codification system. You can find the NCB code for this part listed in the product description above. Use the table below to identify the originating country and its NATO membership status.

For this NSN, the NCB code is 00, which means it was originally cataloged by USA (NATO). Use the table below for a full reference of all NCB codes and their associated countries.

Country NCB Code(s) Status
USA00 and 01NATO
Unassigned (USA)02 through 10n/a
West Germany / Germany11n/a
Belgium12NATO
France13NATO
Italy14NATO
Czechoslovakia / Czech Republic15NATO
Netherlands16NATO
South Africa17NATO
Brazil18Tier 1
Canada19Tier 2
Denmark20 and 21NATO
Greece22NATO
Iceland23NATO
Norway24NATO
Portugal25NATO
Turkey26NATO
Luxembourg27NATO
Argentina28Tier 2
Japan29Tier 1
Israel30Tier 2
Singapore31Tier 2
Spain32NATO
Malaysia33Tier 2
Thailand34Tier 1
Egypt35Tier 1
Republic of Korea36Tier 2
Estonia37NATO
Romania38NATO
Slovakia39NATO
Austria40Tier 2
Slovenia41NATO
Poland42NATO
United Nations-standard items43n/a
Indonesia44Tier 2
Philippines45Other
Lithuania46NATO
Fiji47Other
Tonga48Other
Bulgaria49NATO
Hungary50NATO
Chile51Tier 1
Croatia52NATO
North Macedonia53NATO
Latvia54NATO
Oman55Tier 1
Russian Federation56Other
Finland57NATO
Albania58NATO
Kuwait59Other
Ukraine60Tier 2
Belarus61Tier 2
Morocco62Tier 1
Sweden63NATO
Papua, New Guinea64Other
Australia65Tier 2
Afghanistan66Other
Georgia67Tier 1
Saudi Arabia69n/a
United Arab Emirates70Tier 1
India71Tier 2
Serbia72Tier 2
Pakistan73Other
Bosnia-Herzegovina74Tier 1
Brunei75Tier 1
Montenegro76NATO
Jordan77Tier 1
Peru78Tier 1
Colombia79Tier 2
Qatar80Tier 1
Algeria81Other
New Zealand82Tier 2
United Kingdom98 and 99NATO
What is your process for locating excess inventory for hard-to-find NSN parts?

When a part is not immediately available through standard distribution channels, our sourcing team conducts a multi-channel search that includes authorized distributor networks, government surplus and DLA excess inventory, independent broker networks, and manufacturer direct channels where applicable. Every potential source is evaluated for authenticity and traceability before we present it as a viable option. We do not source from unvetted or unknown suppliers, and we will never offer parts we cannot document. If we locate stock, we provide full sourcing details with your quote so your procurement and quality teams can make an informed decision before committing to an order.

Are parts sourced through NSN-PARTS.COM traceable back to the original manufacturer?

We make every effort to ensure full chain-of-custody traceability for every part we supply. Our preferred sourcing path is always manufacturer-direct or through authorized distribution channels, which provides the strongest traceability and the lowest counterfeit risk. When parts must be sourced through independent or excess channels; as is often the case for obsolete or long-discontinued components, we require sourcing documentation at every link in the chain and apply additional scrutiny to confirm authenticity. Parts that cannot be adequately documented are not offered for sale. If your program has specific traceability requirements such as QPL, QML, or QSLD compliance, please include those details in your RFQ so we can confirm sourcing eligibility upfront.

Testimonials

Sent an RFQ on a Friday afternoon and had a quote back within the hour. Parts showed up ahead of schedule. That kind of response time matters a lot when equipment is down.

Lead Tech, Part 145 Repair Station

We work on older military equipment and finding parts is a constant battle. NSN-Parts has come through for us more times than I can count. Good people, fast turnaround.

Diane R., Defense Contractor – Procurement

I had three distributors tell me a part was gone for good. NSN-Parts had it in stock and shipped it the same day. They're my first call now

Logistics Specialist, USAF

The FSC search actually works. I found what I needed without digging through a bunch of irrelevant results. Ordering was simple and the parts were exactly what was listed.

Priya M., Supply Chain Analyst

I've been sourcing NSN parts for a long time and it's hard to find a distributor that really knows the catalog. These guys do. They answer questions fast and know what they're talking about.

Robert H., Aviation Parts Buyer

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