National Stock Number
1377-99-175-4941
National Stock Number (NSN) 1377-99-175-4941, or NIIN 991754941, (release,propellant actuated) has an unknown assigned date. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 29136. [A RELEASE WHICH UTILIZES GAS PRESSURE TO ACCOMPLISH SEPARATION BY SHEARING THE PIN(S) WHICH LOCK(S) THE PISTON TO THE CHAMBER, OR FREEING A PISTON FROM ITS LOCKING MECHANISM. IT HAS A MEANS OF ATTACHMENT AT BOTH ENDS FOR COMPONENTS AND MAY INCLUDE A DELAY ELEMENT. IT IS DESIGNED TO RELEASE SUCH ITEMS AS BOMBS, PARACHUTES ATTACHED TO EXTERNAL STORES, STORES CONTAINERS, HATCHES, CRASH LOCATOR BEACONS, AND THE LIKE.].
This information was last updated on Jan 30, 2026.