Quote in 15 min·24/7 × 365AS9120:2025 · ISO 9001:2015 · FAA AC 00-56B
NSN 4820-00-639-9313CAGE 00864

Get a Competitive Quote for 38-157 with NSN by Ballston Mechanical Products Inc

Material: Copper alloy 836 body copper alloy flow control device copper alloy 836 seat steel stem Style Designator: C1 angle Valve Operation Method: Automatic or manual

Material: Copper alloy 836 body copper alloy flow control device copper alloy 836 seat steel stem Style Designator: C1 angle Valve Operation Method: Automatic or manual ASAP can help source this line with documentation review, alternate part checks, condition requirements, and account manager follow-up for urgent or planned procurement.

ASAP Aviation Hub, owned and operated by ASAP Semiconductor, is a leading distributor of Ballston Mechanical Products Inc NSN parts with more than 10 million National Stock Numbers (NSN) in inventory. We’re an AS9120B and ISO 9001:2015, and FAA AC 0056B accredited company serving the aviation and defense industries. With shipping facilities across the continental US and the Canada, we can offer some of the fastest shipping times and turnaround times in the industry.

The National Stock Number, or NATO Stock Number, is a 13-digit serial number assigned to items that are procured, stocked, and issued through the federal supply system. Assigned by the United States Defense Logistics Agency (DLA), the NSN is used by all member states of the North Atlantic Treaty Organization (NATO) to standardize items and trade. For more information about NSN or NSNs in general, please feel free to call us at our toll-free number, +1-714-705-4780, or email us at sales@asapaviationhub.com. We’re available and ready to help 24/7x365.

We’re pleased to announce that part number 38-157 of by Ballston Mechanical Products Inc is now available in our ready-to-ship inventory. If you would like a quick quote for part number 38-157, please fill out the Request for Quote (RFQ) form below and click submit. One of our sales representatives will have your quote ready in 15 minutes or less.

When you fill out the RFQ, make sure that you complete all fields, especially the asterisk-marked (*) ones like Need Parts By and Quantity (ea). Your quote will be calculated using your responses to these fields.

Ballston Mechanical Products Inc
Manufacturer
USA
Origin
N/A
Spec
N/A
Unit weight
Detailed description

Technical sourcing notes

N/A
Lead time
N/A
Cross references
Unrestricted
Export control
4820 Valves Non-Powered
FSC
Why ASAP

Operations-grade aviation sourcing.

AS9120B
Quality-managed distribution
15 min
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Full trace
Documentation & certs on request
Submit RFQ

Request a quote for 38-157

Send this part to ASAP with quantity, need-by timing, and buyer contact details. An account manager will review availability, alternates, certificates, and delivery options.

Part-specific RFQ

Submit RFQ for 38-157

Send this part to ASAP with quantity, need-by timing, and buyer contact details. A dedicated account manager reviews availability, alternates, certificates, and delivery options.

Material: Copper alloy 836 body copper alloy flow control device copper alloy 836 seat steel stem Style Designator: C1 angle Valve Operation Method: Automatic or manual38-157
NSN4820-00-639-9313
Manufacturer
Ballston Mechanical Products Inc
CAGE
00864
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NSN Information for Part Number 38-157 with NSN 4820-00-639-9313, 4820006399313

NSNFSCNIINCLSHazmatDEMILCancelled NSN
4820006399313

Item Description:

Valve Safety Relief

48200063993130N
CIICHCCESDPMICCriticalityENAC
U U
Part NumberISCRNVCRNCCHCCMSDSSADC
38-157325

Characteristics Data of NSN 4820-00-639-9313, 4820006399313

MRCCriteriaCharacteristic
AAJFTHREAD DIRECTIONRIGHT-HAND 1ST END
AAJFTHREAD DIRECTIONRIGHT-HAND 2ND END
ADQUFLOW CONTROL DEVICEDISK
ADSRBONNET TYPEINSIDE SPRING
ADSTBONNET ATTACHMENT METHODTHREADED
ADSUDISK LOADING METHODSPRING
AEHZMAXIMUM OPERATING TEMP400.0 DEG FAHRENHEIT SINGLE RESPONSE
AHNCCONNECTION STYLEPLAIN (PIPE) 2ND END
AHNCCONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 1ST END
AQLRVALVE OPERATION METHODAUTOMATIC OR MANUAL
AWLSCONNECTION TYPETHREADED EXTERNAL PIPE 2ND END
AWLSCONNECTION TYPETHREADED INTERNAL PIPE 1ST END
CBBLFEATURES PROVIDEDBONNET PACKING AND PRESSURE TIGHT OUTLET SIDE
CQGMMAXIMUM OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CQJXNOMINAL THREAD SIZE0.500 INCHES 1ST END
CQJXNOMINAL THREAD SIZE0.500 INCHES 2ND END
CSDCOPENING PRESSURE SETTING37.5 POUNDS PER SQUARE INCH
MATTMATERIALCOPPER ALLOY 836 BODY
MATTMATERIALCOPPER ALLOY 836 SEAT
MATTMATERIALCOPPER ALLOY FLOW CONTROL DEVICE
MATTMATERIALSTEEL STEM
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE BODY
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MEDAMEDIA FOR WHICH DESIGNEDWATER, FRESH SINGLE RESPONSE
STYLSTYLE DESIGNATORANGLE
THSDTHREAD SERIES DESIGNATORNPT 1ST END
THSDTHREAD SERIES DESIGNATORNPT 2ND END