NSN 4730-99-027-6679, 4730990276679
ADAPTER BUSHING

Federal Supply Classification: FSC 4730 - Hose, Pipe, Tube, Lubrication, and Railing Fittings
National Item Identification Number: NIIN 990276679
Codification Country: United Kingdom
Item Name Code: INC 18018
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 4730-99-027-6679

National Stock Number (NSN) 4730-99-027-6679, or NIIN 990276679, (adapter bushing) has an unknown assigned date. This NSN does not replace any other NSNs.

There are 3 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, 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) 18018. [AN ITEM HAVING WRENCHING FACILITIES ON ONE END AND A THREADED CONNECTION OF ONE TYPE WITHIN AN EXTERNALLY THREADED CONNECTION OF ANOTHER TYPE. ONE CONNECTION MUST HAVE MACHINE THREADS NOT DESIGNED FOR ANY TYPE OF TUBE OR TUBE FITTING.].

This information was last updated on Jan 30, 2026.