Quote for 254844 Huntington Ingalls Incorporated Part with NSN 4820-01-487-8174

Part Number:  254844
NIIN:  14878174
Item Name :  stem support valve
CAGE Code:  43689
INC Code:  39942
Country:  USA
NCB Code:  01
FSG:  48 Valves
Last Updated:  01-20-2026

Are you looking quote for part 254844? The Huntington Ingalls Incorporated-manufactured component (CAGE Code: 43689) is documented under NSN 4820-01-487-8174 as Stem Support Valve. For the fastest quote, please complete our RFQ form with details about 254844. We guarantee a response within 15 minutes.

ASAP Components provides the verified 254844, classified under INC 39942, FSG 48 Valves, FSC 4820 Valves Nonpowered, NIIN 01-487-8174, and NCB 01. Submit your requirements today to receive immediate pricing and availability information.

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NSN Information for Part Number 254844 with NSN 4820-01-487-8174, 4820014878174

NSNFSCNIINCLSHazmatDEMILCancelled NSN
4820-01-487-8174

Item PartTypeName:

STEM,SUPPORT,VALVE

48200148781740N
CIICHCCESDPMICCriticalityENAC
U A0
Part NumberISCRNVCRNCCHCCMSDSSADC
25484459D

Characteristics Data of NSN 4820-01-487-8174, 4820014878174

MRCCriteriaCharacteristic
FEATSpecial FeaturesNEXT HIGHER ASSEMBLY P/N 254844, MANIFOLD 3/4 STOP CHECK DISTILLING SYSTEM.
MRCDecoded RequirementClear Text Reply
TEXTGeneral Characteristics Item DescriptionMATERIAL IS FEDERAL SPEC QQ-B-637A CUNI NO. 484 1/2 HARD. INNER DIAMETER 0.766 INCH. ONE NOTCH ON OUTSIDE DIAMETER IS 0.203 INCH WIDE BY 0.219 INCH DEEP.
ADAVOverall Diameter2.250 INCHES NOMINAL
AGAVEnd Item IdentificationUSED ON SSN 688 WITHOUT CHANGE FROM THE MANIFOLD USED ON SSN 837. FURTHER SHOCK QUALIFICATION NOT REQUIRED.
MATTMaterialCOPPER ALLOY
ABKWOverall Height0.188 INCHES NOMINAL

Schedule B & Trade

End Use : 21180 Industrial machines, other
Schedule B : 8481909090 (NAICS 332911) Parts of taps, cocks, valves and similar appliances, nesoi
SITC : 74790 Parts for taps, cocks, valves and similar appliances for pipes, boiler shells, tanks, etc.

Identification

ADPE Represents items with no adp components
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.

NSN Management Codes

AAC Z
Classification Control U
MGMT_CTL 9b-----
Quantity per pack 1
Repariability
Shelf Life N/A
SOS Sms
Unit of Measure Ea

Freight Information

ACC: V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing
ADC: A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
LTL: W - Rating variable
NMFC: 051080 - Faucets, bibcocks, gates valves
SHC: 9 - Other or no special handling required (sh)
TCC: Z - No special type of cargo code applicable
WCC: 671 - Aircraft parts, to include test/tool sets and equipment (other than armament systems)

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