Quote for 128SCH136-3 Northrop Grumman Systems Corporation Part with NSN 4820-00-504-8590

Part Number:  128SCH136-3
Alternate P/N:  128SCH1363
NIIN:  5048590
Item Name :  valve safety relief
CAGE Code:  79RG9
INC Code:  05488
Country:  USA
NCB Code:  00
FSG:  48 Valves
Last Updated:  03-14-2026

Are you looking quote for part 128SCH136-3? The Northrop Grumman Systems Corporation-manufactured component (CAGE Code: 79RG9) is documented under NSN 4820-00-504-8590 as Valve Safety Relief. For the fastest quote, please complete our RFQ form with details about 128SCH136-3. We guarantee a response within 15 minutes.

ASAP Components provides the verified 128SCH136-3, classified under INC 05488, FSG 48 Valves, FSC 4820 Valves Nonpowered, NIIN 00-504-8590, and NCB 00. Submit your requirements today to receive immediate pricing and availability information.

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NSN Information for Part Number 128SCH136-3 with NSN 4820-00-504-8590, 4820005048590

NSNFSCNIINCLSHazmatDEMILCancelled NSN
4820-00-504-8590

Item PartTypeName:

VALVE,SAFETY RELIEF

48200050485900N
CIICHCCESDPMICCriticalityENAC
U A0
Part NumberISCRNVCRNCCHCCMSDSSADC
128SCH136-321C9

Characteristics Data of NSN 4820-00-504-8590, 4820005048590

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3B 1ST END
AAJFTHREAD DIRECTIONRIGHT-HAND 1ST END
ADQUFLOW CONTROL DEVICEPOPPET
AHNCCONNECTION STYLEGASKET SEAL(BOSS) 1ST END
AQLRVALVE OPERATION METHODAUTOMATIC
AWLSCONNECTION TYPETHREADED INTERNAL BOSS 1ST END
CMLPTHREAD QUANTITY PER INCH18 1ST END
CQJXNOMINAL THREAD SIZE0.562 INCHES 1ST END
CWFDNOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES 1ST END
MATTMATERIALSTEEL OVERALL
STYLSTYLE DESIGNATORSTRAIGHT THRU
THSDTHREAD SERIES DESIGNATORUNJF 1ST 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

ADPE Represents items with no adp components
CRITL The item does not have a critical feature such as tolerance, fit restrictions or application. nuclear hardness properties have not been determined (not valid for input).
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 C
Classification Control U
MGMT_CTL 7rbear9
Quantity per pack No qup
Repariability If condemned or uneconomically repairable, then dispose at intermediate level.
Shelf Life N/A
SOS Nrp
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.
LCL: P - 77.5
LTL: P - 77.5
NMFC: 127220 - Pressure reg/red/relief valves noi
SHC: 9 - Other or no special handling required (sh)
TCC: Z - No special type of cargo code applicable
WCC: 594 - Pumps and parts, (machinery and parts),(less than 35 feet)

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