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2810-00-513-0053 (66529P010)

2810-00-513-0053 is equivalent to manufacture part number 66529-P10. It is a valve stem guide and is classified under Federal Supply Class 2810 (2810 - Gasoline Reciprocating Engines, Aircraft), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 2810 - Gasoline Reciprocating Engines, Aircraft and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.

NSN: 2810005130053
ALT NSN: 2810-00-513-0053
NIIN: 00-513-0053
NCB: 00
FSC: 2810
NSIN: 513-0053
MNF PART: 66529-P10
DESC: GUIDE, VALVE STEM
ALT DESC: VALVE STEM GUIDE
MNF ALT's: 66529P010 | 66529-P10
OTHER ALT's: 66529P010 | 66529P10

SKU 66529P010

2810 - Categorized Part
2810 - Gasoline Reciprocating Engines, Aircraft

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Part & Reference Numbers (2)
Part NumberCAGEManufacturer StatusRNCCRNVCDACRNAACRNFCRNSCRNJCSADCHCCMSDS
66529-P10 80254 TEXTRON LYCOMING INC WILLIAMSPORT A 3 2 4 SB 4 D
66529P010 80254 TEXTRON LYCOMING INC WILLIAMSPORT A 5 9 X XX 3 B
Item Characteristics (25)
MRCRequirementReply
AATACOUNTERSINK ANGLE IN DEG60.0
AAWYCOUNTERBORE DIAMETER0.498 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
AAWZCOUNTERBORE DEPTH0.500 INCHES NOMINAL
ABHPOVERALL LENGTH2.310 INCHES NOMINAL
ABKVOUTSIDE DIAMETER0.813 INCHES NOMINAL
ABXVBORE DIAMETER0.3950 INCHES MINIMUM AND 0.3970 INCHES MAXIMUM
AGQKMAJOR DIAMETER LENGTH0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM
AYRZCOUNTERSINK DIAMETER0.420 INCHES NOMINAL
BDYSCOUNTERBORE LOCATIONBB END
BQDCBORE COUNTERSINKINCLUDED
BQDDCOUNTERSINK LOCATIONAA END
BQSFBORE COUNTERBOREINCLUDED
BQSHAA END DIAMETER0.590 INCHES NOMINAL
BQSJBB END SHANK DIAMETER0.6033 INCHES MINIMUM AND 0.6038 INCHES MAXIMUM
BQSKBB END CHAMFER LENGTH0.0900 INCHES NOMINAL
BQSLBB END CHAMFER ANGLE IN DEG8.0
BQSMAA END CHAMFER LENGTH0.030 INCHES NOMINAL
BQSNAA END CHAMFER ANGLE IN DEG45.0
BQSRSHOULDER FIRST FILLET RADIUS0.020 INCHES NOMINAL
BQSTSHOULDER SECOND FILLET RADIUS0.020 INCHES NOMINAL
BRQMLENGTH FROM AA END TO LARGEST DIAMETER FACE1.560 INCHES NOMINAL
MATTMATERIALCOPPER ALLOY
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONLYCOMING-SPENCER DIV OF AVCO,LUMEN NO. 48 MFR REF SINGLE MATERIAL RESPONSE
STYLSTYLE DESIGNATORPLAIN-SHOULDERED
ZZZVFSC APPLICATION DATAENGINE,AIRCRAFT,RECIPROCATING
MOE Rules (1)
MOE RuleFormerAssignedAMCAMSCIMCIMCANIMSCDSORPICASICAAACCollaboratorsReceivers
ZU01 01-APR-91 ZU ZU
Freight / Transportation
NMFCSubUFCHMCLTLLCLWCCTCCSHCADCACCRVCIntegActyDescription
XX
Identification
Item Name Code (INC)32562
Primary INC (PINC)0032562
NIIN Assigned01-JAN-1963
Schedule B (Export)8481909090
Precious Metals Ind (PMIC)U
Criticality CodeX
DEMIL CodeA
Hazardous Material Ind (HMIC)N
Item Indicator (II)K
Last Known SOSFPZ
Standardization / Related NSNs (1)
Related NSNISCDecision Date
601-JAN-1971

If the NSN isn't available, are there substitutes or alternate part numbers for NSN 2810-00-513-0053?

NSN 2810-00-513-0053 is associated with the following manufacturer alternate part numbers: 66529P010, 66529-P10. 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

2810-00-513-0053

What National Stock Number (NSN) Category does this 2810-00-513-0053


NSN 2810-00-513-0053 belongs to Federal Supply Class 2810 which is 2810 - Gasoline Reciprocating Engines, Aircraft. 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 2810-00-513-0053 have an alternate part number?

Yes. NSN 2810-00-513-0053 is also referenced by manufacturer part number 66529P010, where 66529P010 is the original equipment manufacturer designation for this item. When sourcing this part, buyers may encounter either the NSN 2810-00-513-0053 or the MPN 66529P010 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.

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