Quote for 1771 Lunkenheimer Co Part with NSN 4820-00-956-6181

Part Number:  1771
Manufacturer:  lunkenheimer co
NIIN:  9566181
Item Name :  valve safety relief
CAGE Code:  37239
INC Code:  05488
Country:  USA
NCB Code:  00
FSG:  48 Valves
Last Updated:  02-23-2026

Are you looking quote for part 1771? The Lunkenheimer Co-manufactured component (CAGE Code: 37239) is documented under NSN 4820-00-956-6181 as Valve Safety Relief. For the fastest quote, please complete our RFQ form with details about 1771. We guarantee a response within 15 minutes.

ASAP Components provides the verified 1771, classified under INC 05488, FSG 48 Valves, FSC 4820 Valves Nonpowered, NIIN 00-956-6181, and NCB 00. Submit your requirements today to receive immediate pricing and availability information.

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NSN Information for Part Number 1771 with NSN 4820-00-956-6181, 4820009566181

NSNFSCNIINCLSHazmatDEMILCancelled NSN
4820-00-956-6181

Item PartTypeName:

VALVE,SAFETY RELIEF

4820009566181N
CIICHCCESDPMICCriticalityENAC
U
Part NumberISCRNVCRNCCHCCMSDSSADC
1771C93

Characteristics Data of NSN 4820-00-956-6181, 4820009566181

MRCCriteriaCharacteristic
AAARNOMINAL PIPE SIZE ACCOMMODATED1.500 INCHES 2ND END
AAARNOMINAL PIPE SIZE ACCOMMODATED2.000 INCHES 1ST END
AAJFTHREAD DIRECTIONRIGHT-HAND 1ST END
AAJFTHREAD DIRECTIONRIGHT-HAND 2ND END
ADQUFLOW CONTROL DEVICEDISK
ADSRBONNET TYPEINSIDE SPRING
ADSTBONNET ATTACHMENT METHODINTEGRAL
ADSUDISK LOADING METHODSPRING
AHNCCONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 1ST END
AHNCCONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 2ND END
AWLSCONNECTION TYPETHREADED INTERNAL PIPE 1ST END
AWLSCONNECTION TYPETHREADED INTERNAL PIPE 2ND END
CBBLFEATURES PROVIDEDBONNET PACKING AND PRESSURE TIGHT OUTLET SIDE
CMLPTHREAD QUANTITY PER INCH11-1/2 1ST END
CMLPTHREAD QUANTITY PER INCH11-1/2 2ND END
CQGMMAXIMUM OPERATING PRESSURE1300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CQJXNOMINAL THREAD SIZE1.500 INCHES 2ND END
CQJXNOMINAL THREAD SIZE2.000 INCHES 1ST END
CSDCOPENING PRESSURE SETTING750.0 POUNDS PER SQUARE INCH
MATTMATERIALCOPPER ALLOY OVERALL
STYLSTYLE DESIGNATORANGLE
THSDTHREAD SERIES DESIGNATORNPT 1ST END
THSDTHREAD SERIES DESIGNATORNPT 2ND END

Schedule B & Trade

End Use : 21180 Industrial machines, other
Schedule B : 8481400000 (NAICS 332911) Safety or relief valves
SITC : 74740 Safety or relief valves

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 U - Precious metal content is unknown

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