Quote for 21D5C8C Lockheed Martin Corporation Part with NSN 5310-01-237-9392

Part Number:  21D5C8C
Manufacturer:  lockheed martin corporation
NIIN:  12379392
Item Name :  washer recessed
CAGE Code:  04236
INC Code:  15933
Country:  USA
NCB Code:  01
FSG:  53 Hardware and Abrasives
Last Updated:  01-30-2026

Are you looking quote for part 21D5C8C? The Lockheed Martin Corporation-manufactured component (CAGE Code: 04236) is documented under NSN 5310-01-237-9392 as Washer Recessed. For the fastest quote, please complete our RFQ form with details about 21D5C8C. We guarantee a response within 15 minutes.

ASAP Components provides the verified 21D5C8C, classified under INC 15933, FSG 53 Hardware and Abrasives, FSC 5310 Nuts and Washers, NIIN 01-237-9392, and NCB 01. Submit your requirements today to receive immediate pricing and availability information.

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NSN Information for Part Number 21D5C8C with NSN 5310-01-237-9392, 5310012379392

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5310-01-237-9392

Item PartTypeName:

WASHER,RECESSED

5310012379392N
CIICHCCESDPMICCriticalityENAC
A
Part NumberISCRNVCRNCCHCCMSDSSADC
21D5C8C527

Characteristics Data of NSN 5310-01-237-9392, 5310012379392

MRCCriteriaCharacteristic
AAUBHOLE DIAMETER0.504 INCHES MINIMUM AND 0.515 INCHES MAXIMUM
ABKVOUTSIDE DIAMETER0.875 INCHES NOMINAL
ABMDRECESS DIAMETER0.604 INCHES MINIMUM AND 0.620 INCHES MAXIMUM
ABPXMATERIAL THICKNESS0.062 INCHES NOMINAL
CQBCMINIMUM TENSILE STRENGTH140000 POUNDS PER SQUARE INCH
CSTMRECESS ANGLE90.0 DEGREES NOMINAL
MATTMATERIALIRON ALLOY 660 OVERALL
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONAMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SFTTSURFACE TREATMENTPASSIVATE OVERALL
STYLSTYLE DESIGNATORRECESSED

Schedule B & Trade

End Use : 12300 Finished metal shapes
Schedule B : 7318220000 (NAICS 332722) Washers other than lock washers, iron or steel
SITC : 69422 Screws, bolts, nuts, screw hooks, rivets, washers and similar articles, not threaded, of iron or steel

Identification

CRITL The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
HMIC N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
PMIC A - Item does not contain precious metal.

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