DLMS™ Summary National Stock Number 1015-01-271-1020 National Stock Number (NSN) 1015-01-271-1020, or NIIN 012711020, (aperture,sight) was assigned January 18, 1988 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs. There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. 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. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 22,902. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 08, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5. This NSN is assigned to Item Name Code (INC) 22224. [AN IRREGULARLY SHAPED ADJUSTABLE MECHANICAL ITEM USUALLY INTEGRAL TO A SIGHT, REAR. IT FUNCTIONS AS A PEEPHOLE THROUGH WHICH THE SIGHT AT THE OPPOSITE END OF A GUN IS BROUGHT INTO VIEW IN AIMING AT A TARGET OR OBJECT.]. 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 1015012711020 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 Oct 01, 2016.