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NSN 4730-00-277-5677, 4730002775677
COUPLING HALF,QUICK DISCONNECT

Federal Supply Classification
FSC 4730 - Hose, Pipe, Tube, Lubrication, and Railing Fittings
National Item Identification Number
NIIN 002775677
Codification Country
United States
Item Name Code
INC 18681
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
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 4730-00-277-5677

National Stock Number (NSN) 4730-00-277-5677, or NIIN 002775677, (coupling half,quick disconnect) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN. ISO Group has several sources of supply for this NSN.

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

This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 18681. [A FLUID LINE FITTING HAVING A PIPE, TUBE OR HOSE CONNECTION OR A THROUGH HOLE TO ACCOMMODATE A BOLT, FLUID PASSAGE ON ONE END. THE OTHER END MUST HAVE AN INTERNAL OR EXTERNAL QUICK DISCONNECT FEATURE FOR CONNECTING A MATING PART TO FORM A QUICK DISCONNECT COUPLING ASSEMBLY. THE FITTING MAY INCORPORATE A SELF-SEALING FEATURE FOR THE PURPOSE OF AUTOMATICALLY SHUTTING OFF THE FLOW OF FLUID WHEN DISCONNECTED FROM ITS MATING HALF. FOR SELF-SEALING FITTINGS WITH AN EXTERNAL OR INTERNAL THREADED DISCONNECT END, SEE COUPLING HALF, SELF-SEALING. SEE ALSO, CONNECTOR, MULTIPLE, FLUID PRESSURE LINE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4730002775677 contains an unknown precious metal.

This NSN is associated to Schedule B 7412200000: copper alloy tube or pipe fittings. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332919: other metal valve and pipe fitting manufacturing.

This information was last updated on .


Technical Characteristics

CONNECTION TYPE
(AWLS) EXTERNAL QUICK DISCONNECT ALL ENDS
CONNECTION TYPE
(AWLS) UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
CONNECTION STYLE
(AHNC) BARBED OR SERRATED END ALL ENDS
LEG LENGTH
(AHSJ) 1.875 INCHES MINIMUM AND 2.109 INCHES MAXIMUM
OVERALL LENGTH
(ABHP) 4.875 INCHES MINIMUM AND 4.900 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-C-3486,TB 1 MIL SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL
(MATT) COPPER ALLOY BODY
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED
(CWDW) 1.2735 INCHES ALL ENDS
NONDEFINITIVE SPEC/STD DATA
(ZZZT) HM CLASS
QUICK DISCONNECT METHOD
(ADLN) TWIST-LOCK ALL ENDS
QUICK DISCONNECT NOMINAL SIZE
(ADLP) 1.578 INCHES ALL ENDS
STYLE DESIGNATOR
(STYL) MALE COUPLING HALF
UNABLE TO DECODE
(CQCJ) UNABLE TO DECODE
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED
(CQCJ) 250.0 POUNDS PER SQUARE INCH ANY ACCEPTABLE

Manufacturer Part Numbers


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