National Stock Number
1680-01-157-2651
National Stock Number (NSN) 1680-01-157-2651, or NIIN 011572651, (actuator,aircraft safety lap bel) was assigned July 2, 1983 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 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 1991, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 60002. [AN ITEM WHICH RECEIVES AIR PRESSURE FROM THE PITOT STATIC SYSTEM TO ACTUATE THE SAFETY LAP BELT INITIATOR LEVER CAUSING THE SAFETY LAP BELT TO OPEN IN ONE SECOND AT AN AIRSPEED OF 310 KNOTS OR BELOW. THIS ACTUATION IS PERFORMED DURING THE INITIAL MOTION AT THE SEAT AS IT IS BEING EJECTED. THE ACTUATOR WILL NOT OPERATE ABOVE THE PREDETERMINED AIRSPEED.]. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1680011572651 does not contain precious metals.
This NSN is associated to Schedule B 8803300060: other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof). The Schedule B End Use is listed as parts for military-type goods. NAICS classification category 336413: other aircraft parts and auxiliary equipment manufacturing.
This information was last updated on Aug 01, 2025.