National Stock Number
4240-01-254-9776
National Stock Number (NSN) 4240-01-254-9776, or NIIN 012549776, (mask,air line) was assigned May 14, 1987 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier 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, with the most recent procurement date of Apr 11, 2011. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM8EH11V0958. The total value of the awarded contracts has been US$ 1,286.01.
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 Oct 13, 2006, 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) 17544. [AN INDIVIDUAL RESPIRATORY PROTECTIVE DEVICE CONSISTING OF A FACEPIECE FLEXIBLE BREATHING TUBE, AIR REGULATING VALVE, AND A QUICK RELEASE HOSE COUPLING. THE DEVICE MAY ALSO INCLUDE AN AIR FILTER FOR REMOVING FOREIGN PARTICLES AND ODORS FROM THE AIR SUPPLY LINE, AN ADJUSTABLE WAIST BELT, AND AN AIR HOSE WITH FITTINGS FOR CONNECTING THE DEVICE TO A SUPPLY OF COMPRESSED AIR. A BRACKET IS USUALLY PROVIDED FOR ATTACHING THE REGULATING VALVE TO THE BELT. THIS DEVICE IS DESIGNED TO SUPPLY FRESH AIR TO THE WEARER WHILE IN DUST LADEN AND CONTAMINATED AREAS. EXCLUDES:OXYGEN BREATHING APPARATUS. EXCLUDES:MASK, GAS; MASK, OXYGEN AND RESPIRATOR, AIR FILTERING.]. 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 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 4240012549776 does not contain precious metals.
This information was last updated on Jul 01, 2025.