Quote for 16649 Howden Fluid Systems Part with NSN 4820-00-342-4799

Part Number:  16649
Manufacturer:  howden fluid systems
NIIN:  3424799
Item Name :  valve safety relief
CAGE Code:  33654
INC Code:  05488
Country:  USA
NCB Code:  00
FSG:  48 Valves
Last Updated:  03-18-2026

Are you looking quote for part 16649? The Howden Fluid Systems-manufactured component (CAGE Code: 33654) is documented under NSN 4820-00-342-4799 as Valve Safety Relief. For the fastest quote, please complete our RFQ form with details about 16649. We guarantee a response within 15 minutes.

ASAP Components provides the verified 16649, classified under INC 05488, FSG 48 Valves, FSC 4820 Valves Nonpowered, NIIN 00-342-4799, and NCB 00. Submit your requirements today to receive immediate pricing and availability information.

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NSN Information for Part Number 16649 with NSN 4820-00-342-4799, 4820003424799

NSNFSCNIINCLSHazmatDEMILCancelled NSN
4820-00-342-4799

Item PartTypeName:

VALVE,SAFETY RELIEF

48200034247990N
CIICHCCESDPMICCriticalityENAC
U U
Part NumberISCRNVCRNCCHCCMSDSSADC
14023225

Characteristics Data of NSN 4820-00-342-4799, 4820003424799

MRCCriteriaCharacteristic
AAJFTHREAD DIRECTIONRIGHT-HAND 1ST END
ADQUFLOW CONTROL DEVICEDISK
ADSUDISK LOADING METHODSPRING
ADSYVALVE DISCHARGE FLOW RATE0.9 CUBIC FEET PER MINUTE
AEHZMAXIMUM OPERATING TEMP-70.0 DEG FAHRENHEIT 1ST RESPONSE
AEHZMAXIMUM OPERATING TEMP450.0 DEG FAHRENHEIT 2ND RESPONSE
AHNCCONNECTION STYLEPLAIN (PIPE) 1ST END
AQLRVALVE OPERATION METHODAUTOMATIC
AWLSCONNECTION TYPETHREADED EXTERNAL PIPE 1ST END
CQGMMAXIMUM OPERATING PRESSURE30.0 POUNDS PER SQUARE INCH 1ST RESPONSE
CQJXNOMINAL THREAD SIZE0.125 INCHES 1ST END
CSDCOPENING PRESSURE SETTING26.0 POUNDS PER SQUARE INCH
MATTMATERIALALUMINUM ALLOY 2024 BODY
MATTMATERIALALUMINUM ALLOY 2024 SEAT
MATTMATERIALALUMINUM ALLOY 2024 STEM
MATTMATERIALSTEEL CORROSION RESISTING AND SILICON FLOW CONTROL DEVICE
MEDAMEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
MEDAMEDIA FOR WHICH DESIGNEDOIL,CHLORINATED TRANSFORMER 3RD RESPONSE
MEDAMEDIA FOR WHICH DESIGNEDOXYGEN,GASEOUS 2ND RESPONSE
SFTTSURFACE TREATMENTANODIZE
STYLSTYLE DESIGNATORSTRAIGHT THRU
THSDTHREAD SERIES DESIGNATORNPT 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

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

NSN Management Codes

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

Freight Information

ACC: B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
ADC: A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
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: 576 - Metal and metal products, nos, (less than 35 feet)

ASAP Semiconductor’s Certifications And Memberships



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