National Stock Number
5340-01-252-5404
National Stock Number (NSN) 5340-01-252-5404, or NIIN 012525404, (fastener,pawl) was assigned April 3, 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. 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, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
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 Sep 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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) 28416. [A SELF-CONTAINED ITEM WITH A KNOB OR A KEY ACTUATED PAWL, DESIGNED TO FASTEN PANELS, DOORS, AND THE LIKE, TO FRAMES OR ADJOINING SURFACES. THE PAWL MAY BE PRESET TO ACCOMMODATE FRAMES OR SURFACES OF A SPECIFIC THICKNESS, OR MAY BE ADJUSTABLE TO ACCOMMODATE FRAMES OR SURFACES OF VARIABLE THICKNESSES. FOR ITEMS WITH ADJUSTABLE PAWLS, THE PAWL MUST BE ACTUATED THROUGH CONTINUAL ROTATION OF THE KNOB OR KEY UNTIL THE PAWL ENGAGES THE ADJOINING SURFACE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5340012525404 does not contain precious metals.
This NSN is associated to Schedule B 8302497500: other base metal mountings, fittings etc, nesoi. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332510: hardware manufacturing.
This information was last updated on Aug 01, 2025.