Quote for 2S6556 Portman Instrument Co Part with NSN 4820-01-558-4571

Part Number:  2S6556
Manufacturer:  portman instrument co
NIIN:  15584571
Item Name :  valve safety relief
CAGE Code:  93135
INC Code:  05488
Country:  USA
NCB Code:  01
FSG:  48 Valves
Last Updated:  01-16-2026

Are you looking quote for part 2S6556? The Portman Instrument Co-manufactured component (CAGE Code: 93135) is documented under NSN 4820-01-558-4571 as Valve Safety Relief. For the fastest quote, please complete our RFQ form with details about 2S6556. We guarantee a response within 15 minutes.

ASAP Components provides the verified 2S6556, classified under INC 05488, FSG 48 Valves, FSC 4820 Valves Nonpowered, NIIN 01-558-4571, and NCB 01. Submit your requirements today to receive immediate pricing and availability information.

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NSN Information for Part Number 2S6556 with NSN 4820-01-558-4571, 4820015584571

NSNFSCNIINCLSHazmatDEMILCancelled NSN
4820-01-558-4571

Item PartTypeName:

VALVE,SAFETY RELIEF

4820015584571NA
CIICHCCESDPMICCriticalityENAC
AA0
Part NumberISCRNVCRNCCHCCMSDSSADC
2S6556593


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

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.
ESD A - No known electrostatic discharge (esd) or electromagnetic interference (emi) sensitivity.
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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