Quote for 0-521-321 Ingersoll Rand Company Part with NSN 1660-00-487-0074

Part Number:  0-521-321
Alternate P/N:  0521321
Manufacturer:  ingersoll rand company
NIIN:  4870074
Item Name :  spring relief valve
CAGE Code:  03990
INC Code:  77777
Country:  USA
NCB Code:  00
FSG:  16 Aircraft Components and Accessories
Last Updated:  02-25-2026

Are you looking quote for part 0-521-321? The Ingersoll Rand Company-manufactured component (CAGE Code: 03990) is documented under NSN 1660-00-487-0074 as Spring Relief Valve. For the fastest quote, please complete our RFQ form with details about 0-521-321. We guarantee a response within 15 minutes.

ASAP Components provides the verified 0-521-321, classified under INC 77777, FSG 16 Aircraft Components and Accessories, FSC 1660 Aircraft Air Conditioning Heating and Pressurizing Equipment, NIIN 00-487-0074, and NCB 00. Submit your requirements today to receive immediate pricing and availability information.

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NSN Information for Part Number 0-521-321 with NSN 1660-00-487-0074, 1660004870074

NSNFSCNIINCLSHazmatDEMILCancelled NSN
1660-00-487-0074

Item PartTypeName:

SPRING,RELIEF VALVE

1660004870074N
CIICHCCESDPMICCriticalityENAC
U
Part NumberISCRNVCRNCCHCCMSDSSADC
0-521-321695


Schedule B & Trade

End Use : 50070 Parts for military-type goods
Schedule B : 8803300060 (NAICS 336413) Other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof)
SITC : 79295 Parts of airplanes or helicopters, n.E.S.

Identification

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 U - Precious metal content is unknown

ASAP Semiconductor’s Certifications And Memberships



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