NSN 4730-21-921-1436, 4730219211436
RETAINER,COUPLING

Federal Supply Classification: FSC 4730 - Hose, Pipe, Tube, Lubrication, and Railing Fittings
National Item Identification Number: NIIN 219211436
Codification Country: Canada
Item Name Code: INC 50255
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

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DLMS^® Summary

National Stock Number 4730-21-921-1436

National Stock Number (NSN) 4730-21-921-1436, or NIIN 219211436, (retainer,coupling) has an unknown assigned date. This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier 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 unique to one weapons system.

This NSN is assigned to Item Name Code (INC) 50255. [A RIGID OR FLEXIBLE ITEM OF VARIOUS SHAPES DESIGNED TO FASTEN TWO TUBES TOGETHER AND ALSO ALLOW FOR EXPANSION AND CONTRACTION OF THE TUBES.].

This information was last updated on Oct 20, 2025.