DLMS™ Summary National Stock Number 1020-00-157-5407 National Stock Number (NSN) 1020-00-157-5407, or NIIN 001575407, (piston,equilibrator) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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) 62336. [A CYLINDRICAL ITEM WHICH MOVES OR RECIPROCATES UNDER HYDRAULIC OIL AND/OR GAS PRESSURE IN A CLOSED SYSTEM OR COMPRESSES A COMPRESSION SPRING OF AN EQUILIBRATOR IN COMPENSATING FOR THE UNBALANCED WEIGHT OF A CANNON. IT MAY INCLUDE AN INTEGRAL ROD OR MAY HAVE FACILITIES FOR ATTACHMENT TO AN OPERATING ROD.]. 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 1020001575407 does not contain precious metals. This NSN is associated to Schedule B 9305913010: parts and accessories of military artillery weapons of 9301.11 or 9301.19. The Schedule B End Use is listed as tanks, artillery, missiles, rockets, guns and ammunition. NAICS classification category 332994: small arms, ordnance, and ordnance accessories manufacturing. This information was last updated on Apr 01, 2017.