ISO Group Logo
Defense and Aerospace
Supply Chain Partner
A Dynatech International Company


NSN 4730-01-255-7481, 4730012557481
COUPLING ASSEMBLY,QUICK DISCONNE

Federal Supply Classification
FSC 4730 - Hose, Pipe, Tube, Lubrication, and Railing Fittings
National Item Identification Number
NIIN 012557481
Codification Country
United States
Item Name Code
INC 20671
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.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

Manufacture or supply this part?
Join our growing community of certified suppliers.

Let Us Know
  CALL ABOUT NSN 4730-01-255-7481
Our client representatives are standing by to help fulfill your request.

+1-321-773-5710

  REQUEST QUOTE for 4730-01-255-7481


Have a list that needs to be quoted? Upload it here.

DLMS® Summary

National Stock Number 4730-01-255-7481

National Stock Number (NSN) 4730-01-255-7481, or NIIN 012557481, (coupling assembly,quick disconne) was assigned May 25, 1987 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. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are 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 2 different weapons systems.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 02, 2005, 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) 20671. [A MULTIPIECE FLUID LINE FITTING CONSISTING OF TWO COUPLING HALF, QUICK DISCONNECT FITTINGS.]. 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 4730012557481 does not contain precious metals.

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

MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED
(CRWH) -65.0 DEG FAHRENHEIT GAS
CONNECTION STYLE
(AHNC) FLARED FIRST FLUID END CONNECTION
CONNECTION TYPE
(AWLS) THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
NOMINAL THREAD SIZE
(CQJX) 0.438 INCHES FIRST FLUID END CONNECTION
OVERALL LENGTH
(ABHP) 3.487 INCHES NOMINAL
LEG LENGTH
(AHSJ) 0.310 INCHES NOMINAL
MATERIAL
(MATT) COPPER ALLOY OVERALL
MAXIMUM OPERATING PRESSURE
(CQGM) 6000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP
(AEHZ) 65.0 DEG FAHRENHEIT SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED
(CWFD) 0.250 INCHES FIRST FLUID END CONNECTION
QUICK DISCONNECT METHOD
(ADLN) QUICK LEAD THREAD ALL ENDS
THREAD CLASS
(AAJD) 3A FIRST FLUID END CONNECTION
THREAD SERIES DESIGNATOR
(THSD) UNJF FIRST FLUID END CONNECTION
STYLE DESIGNATOR
(STYL) COUPLING ASSEMBLY
SECOND END RELATIONSHIP WITH FIRST END
(CQBB) IDENTICAL
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED
(CQCJ) 6000.0 POUNDS PER SQUARE INCH GAS

Manufacturer Part Numbers

123781

RNCC
5
RNVC
9
123781

ISC
C
RNCC
C
RNVC
1
123781

RNCC
3
RNVC
9
AD57L4

RNCC
5
RNVC
9

Related Inventory

A3046202
5340012378102
Condition NS
BRACKET
Readily Available
A3046202
5310012378102
Condition NS
BRACKET
Readily Available
A-3046202
5340012378102
Condition NS
BRACKET
Readily Available
A3046198
5140012378103
Condition NS
BRACKET
Readily Available
640-2108
4030012378164
Condition NS
SHACKLE
Readily Available
5310012378192
5310-01-237-8192
Request


 
Top