National Stock Number
4240-01-370-5223
National Stock Number (NSN) 4240-01-370-5223, or NIIN 013705223, (curtain,safety,welding) was assigned January 23, 1993 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over a year. There have been 16 contracts issued for this part number, with 16 awards given. There is heavy competition for this NSN. The US Government has awarded contracts to 13 different suppliers. The last contract numbers awarded were: SPE8E525V0348, SPE8E524V2989, SPE8E621V1446, SPE8E621V1351, SPE8E621V0453. The total value of the awarded contracts has been US$ 36,025.49.
This NSN is unique to one weapons system.
There has been a small amount of 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 Feb 02, 2010, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 34761. [AN ITEM DESIGNED SPECIFICALLY TO SURROUND A WELDING OPERATION TO CONTAIN SPARKS, HOT METAL FRAGMENTS AND THE LIKE, WITHIN A CONFINED AREA TO PROVIDE SAFETY AND PROTECTION TO PERSONNEL AND EQUIPMENT OUTSIDE THE AREA. IT IS ALSO DESIGNED TO REDUCE NOISE POLLUTION. IT HAS GROMMETS OR IS DESIGNED TO ACCOMMODATE HOOKS TO HANG THE CURTAIN ONTO RODS. IT MAY INCLUDE WEIGHTS SEWN INTO THE HEM SO THAT THE CURTAIN WILL HANG PROPERLY.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 4240013705223 does not contain precious metals.
This information was last updated on Aug 01, 2025.