Teledyne Industries Inc Part Number 684-2-1 4B25 - Get an Instant Quote

Part Number:  684-2-1 4B25
Alternate P/N:  684214B25
Manufacturer:  teledyne industries inc
NIIN:  00-727-8028
Item Name :  valve safety relief
CAGE Code:  86768
INC Code:  05488
Country:  USA
NCB Code:  00
FSG:  48 Valves
Last Updated:  05-21-2025

Part Number 684-2-1 4B25 described as Valve Safety Relief with NSN 4820-00-727-8028 with FSC 4820 Valves Nonpowered by Manufacture Teledyne Industries Inc is available in stock. We provide comprehensive database of aerospace and aviation components, sub-assemblies, and completed assemblies allows us to respond to your RFQ within 15 minutes.

Simplified Purchasing is owned and operated by ASAP Semiconductor, an industry-leading AS9120B, ISO 9001:2015, and FAA AC 0056B certified distributor of Teledyne Industries Inc aerospace and aviation parts like 684-2-1 4B25. We are a service-oriented company that provides quality NSN components with an emphasis on United States export law through our delivery centers at 2 strategic locations, California and Nevada. 

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Disclaimer: This is a quotation for the goods listed above. This quotation is meant as an estimate and does not reflect a final bill or invoice. All quotations are subject to change until acceptance by ASAP Semiconductor of a binding Purchase Order, and quotations may be withdrawn or revised at the sole discretion of ASAP Semiconductor. This quotation is subject to the ASAP Semiconductor Terms & Conditions available at https://www.asapsemi.com/customer-terms-and-conditions/ . All United States Government and Department of Defense bids are quoted as CAGE code 6RE77 from ASAP Semiconductor’s Anaheim, California facility. Any quotation from ASAP Semiconductor without 6RE77 is void.

NSN Information for Part Number 684-2-1 4B25 with NSN 4820-00-727-8028, 4820007278028

NSNFSCNIINCLSHazmatDEMILCancelled NSN
4820-00-727-8028

Item Description:

Valve Safety Relief

48200072780280N
CIICHCCESDPMICCriticalityENAC
UU
Part NumberISCRNVCRNCCHCCMSDSSADC
684-2-1-4b2295

Characteristics Data of NSN 4820-00-727-8028, 4820007278028

MRCCriteriaCharacteristic
AAJFTHREAD DIRECTIONRIGHT-HAND 1ST END
ADQUFLOW CONTROL DEVICEPOPPET
ADSUDISK LOADING METHODSPRING
AEHZMAXIMUM OPERATING TEMP180.0 DEG FAHRENHEIT SINGLE RESPONSE
AHNCCONNECTION STYLEPLAIN PIPE 2ND END
AQLRVALVE OPERATION METHODAUTOMATIC
AWLSCONNECTION TYPETHREADED EXTERNAL PIPE 2ND END
CMLPTHREAD QUANTITY PER INCH18 2ND END
CQGMMAXIMUM OPERATING PRESSURE50.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MATTMATERIALCOPPER ALLOY BODY
AAARNOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES 1ST END
ADSRBONNET TYPEINSIDE SCREW
ADSTBONNET ATTACHMENT METHODINTEGRAL
CBBLFEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
CQJXNOMINAL THREAD SIZE0.250 INCHES 1ST END
CSDCOPENING PRESSURE SETTING25.0 POUNDS PER SQUARE INCH
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD 1ST MATERIAL RESPONSE FLOW CONTROL DEVICE
MEDAMEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
THSDTHREAD SERIES DESIGNATORNPT 1ST END



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