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NSN 4730-00-257-4926, 4730002574926
ADAPTER,STRAIGHT,HOSE TO BOSS

Federal Supply Classification
FSC 4730 - Hose, Pipe, Tube, Lubrication, and Railing Fittings
National Item Identification Number
NIIN 002574926
Codification Country
United States
Item Name Code
INC 22673
Criticality
(S) The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
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DLMS® Summary

National Stock Number 4730-00-257-4926

National Stock Number (NSN) 4730-00-257-4926, or NIIN 002574926, (adapter,straight,hose to boss) was assigned June 22, 1973 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN.

This part number has not been procured by the US Government in over 5 years.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 13, 2020, this NSN's acquisition method was noted as: Not established. Not established.

This NSN is assigned to Item Name Code (INC) 22673. [AN ADAPTER HAVING STANDARD HOSE THREADS ON ONE END, AN INCOMPLETE PART OF A THREADED END CONNECTION THAT GRIPS THE HOSE DIRECTLY, OR AN UNTHREADED END DESIGNED TO ACCOMMODATE A HOSE. THE OTHER END HAS EXTERNAL OR INTERNAL MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES) AND IS DESIGNED TO FACILITATE A GASKET, PREFORMED PACKING, WASHER, OR THE LIKE TO FORM A SEAL AT THE BOSS. IT IS DESIGNED TO JOIN A HOSE OR HOSE FITTING TO A BOSS OR BOSS FITTING IN A STRAIGHT LINE ON ITEMS SUCH AS TANKS, HOUSINGS, VALVE FITTINGS, AND THE LIKE. SEE ALSO COUPLING, HOSE AND CONNECTOR, HOSE, BULKHEAD. EXCLUDES:ITEMS HAVING FLANGED ENDS.]. The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4730002574926 does not contain precious metals.

This information was last updated on .


Technical Characteristics

CONNECTION TYPE
(AWLS) THREADED EXTERNAL BOSS 2ND END
CONNECTION TYPE
(AWLS) THREADED EXTERNAL HOSE GRIPPING 1ST END
NONDEFINITIVE SPEC/STD DATA
(ZZZT) C TYPE
CONNECTION STYLE
(AHNC) GRIPPING NIPPLE (NOSE) 1ST END
NOMINAL THREAD SIZE
(CQJX) 2.750 INCHES 2ND END
THREAD QUANTITY PER INCH
(CMLP) 12 2ND END
MATERIAL
(MATT) NICKEL ALLOY A OVERALL
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED
(CWDW) 1.251 INCHES 1ST END
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
FURNISHED ITEMS AND QUANTITY
(TMQY) 1 HOSE COUPLING NUT
CONNECTION STYLE
(AHNC) EXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END
THREAD SERIES DESIGNATOR
(THSD) UN 2ND END
NOMINAL OVERALL LENGTH
(CWFR) 5.500 INCHES
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED
(CWDZ) 2.022 INCHES 1ST END
DEPARTURE FROM CITED DESIGNATOR
(ZZZX) QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
THREAD CLASS
(AAJD) 3A 2ND END
CRITICALITY CODE JUSTIFICATION
(CRTL) ZZZX

Manufacturer Part Numbers


Related Inventory

MIL-H-24135/1-20
4730013652524
Condition NS
ADAPTER
Readily Available


 
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