National Stock Number
1670-00-377-6638
National Stock Number (NSN) 1670-00-377-6638, or NIIN 003776638, (riser extension,parachute) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 1670003687481, 1670003600476.
There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 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 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 Dec 02, 2009, 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) 02115. [AN ARRANGEMENT OF STRAPS AND HARDWARE WHICH IS ATTACHED TO THE CANOPY SUSPENSION LINE CONNECTOR LINKS AND TO THE HARNESS OF A PERSONNEL PARACHUTE OR PARACHUTE,CARGO. IT FUNCTIONS AS, OR AS AN EXTENSION OF, THE RISER STRAPS OF A JETTISONABLE OR ADJUSTABLE TYPE PARACHUTE.]. 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 1670003776638 contains an unknown precious metal.
This NSN is associated to Schedule B 8804000000: parachutes (including dirigible parachutes and paragliders) and rotochutes; parts thereof and accessories thereto. The Schedule B End Use is listed as aircraft launching gear, parachutes, etc.. NAICS classification category 314999: all other miscellaneous textile product mills.
This information was last updated on Aug 01, 2025.