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NSN 4730-00-057-2780, 4730000572780
COUPLING HALF,QUICK DISCONNECT

Federal Supply Classification
FSC 4730 - Hose, Pipe, Tube, Lubrication, and Railing Fittings
National Item Identification Number
NIIN 000572780
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 4730-00-057-2780

National Stock Number (NSN) 4730-00-057-2780, or NIIN 000572780, (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 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

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 3 different weapons systems.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 15, 2017, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.

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 4730000572780 does not contain precious metals.

This NSN is associated to Schedule B 7609000000: aluminum tube or pipe fittings (couplings,elbows sleeves). 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

MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED
(CQCJ) 600.0 POUNDS PER SQUARE INCH ANY ACCEPTABLE
CONNECTION STYLE
(AHNC) FLARED ALL ENDS
CONNECTION TYPE
(AWLS) THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
CONNECTION TYPE
(AWLS) EXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END
FEATURES PROVIDED
(CBBL) SAFETY LOCKING FEATURE
LEG LENGTH
(AHSJ) 1.413 INCHES NOMINAL
OVERALL LENGTH
(ABHP) 3.646 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL
(MATT) ALUMINUM ALLOY BODY
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED
(CWFD) 1.250 INCHES ALL ENDS
NOMINAL THREAD SIZE
(CQJX) 1.625 INCHES ALL ENDS
QUICK DISCONNECT METHOD
(ADLN) TWIST-LOCK ALL ENDS
SEAT ANGLE
(CQRB) 37.0 DEGREES
STYLE DESIGNATOR
(STYL) MALE COUPLING HALF
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE BODY
SURFACE TREATMENT
(SFTT) ANODIZE BODY
THREAD CLASS
(AAJD) 3A ALL ENDS
THREAD SERIES DESIGNATOR
(THSD) UN ALL ENDS
THREAD QUANTITY PER INCH
(CMLP) 12 FIRST QUICK DISCONNECT END
UNABLE TO DECODE
(CQCJ) UNABLE TO DECODE

Manufacturer Part Numbers


Related Inventory

375207-20
4730000572780
Condition NS
COUPLING
Readily Available


 
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