National Stock Number
1377-01-053-8604
National Stock Number (NSN) 1377-01-053-8604, or NIIN 010538604, (sequencer,ejection seat,aircraft) was assigned January 11, 1978 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 9 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are 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.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 1999, 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) 53271. [A DEVICE CONTAINING EXPLOSIVES AND OR PYROTECHNICS WHICH PROVIDES AUTOMATIC ACTIVATION, AT PRESET INTERVALS, FOR AIRCRAFT CREW MEMBER EJECTION SEAT ESCAPE SYSTEMS AND ITS SUBSYSTEMS. IT MAY CONTAIN LOGIC CIRCUITRY TO SELECT THE BEST MODE OF OPERATION BASED UPON SPEED AND ALTITUDE AT THE TIME OF EJECTION. IT ALSO MAY CONTAIN THERMAL BATTERIES, WHEN ACTIVATED, PROVIDES POWER TO OPERATE TIMING CIRCUITS AND INITIATED ELECTRICAL IMPULSES THAT ACTUATE SUBSYSTEM BALLISTIC DEVICES.]. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 1377010538604 does not contain precious metals.
This NSN is associated to Schedule B 8803909060: other parts, nesoi, for use in other military aircraft, spacecraft and spacecraft launch vehicles (excluding parts of communication satellites). The Schedule B End Use is listed as parts for military-type goods. NAICS classification category 336419: other guided missile and space vehicle parts and auxiliary equipment manufacturing.
This information was last updated on Jul 01, 2025.