NSN 4240-01-677-5313, 4240016775313
MASK,CHEMICAL-BIOLOGICAL

Federal Supply Classification: FSC 4240 - Safety and Rescue Equipment
National Item Identification Number: NIIN 016775313
Codification Country: United States
Item Name Code: INC 22753
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (P) 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.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

Manufacture or supply this part?
Join our growing community of certified suppliers.

Let Us Know

CALL ABOUT NSN 4240-01-677-5313

Our client representatives are standing by to help fulfill your request.

+1-321-773-5710

REQUEST QUOTE for 4240-01-677-5313

Have a list that needs to be quoted? Upload it here.

Upload a List

DLMS^® Summary

National Stock Number 4240-01-677-5313

National Stock Number (NSN) 4240-01-677-5313, or NIIN 016775313, (mask,chemical-biological) was assigned December 18, 2018 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 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.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 19, 2018, 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 does not have adequate data, lacks rights to data, or both, needed to purchase this part from additional sources. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 22753. [AN INDIVIDUAL RESPIRATORY PROTECTIVE DEVICE CONSISTING PRINCIPALLY OF A FACEPIECE OR MUZZLE-PIECE, AND CANISTER OR FILTER ELEMENTS. IT IS DESIGNED TO PROTECT THE RESPIRATORY SYSTEM AND FACE OF PERSONNEL OR ANIMALS AGAINST CHEMICAL OR BIOLOGICAL CONTAMINATION. EXCLUDES:MASK,AIR LINE; MASK,GAS; MASK,OXYGEN; MASK,RIOT CONTROL AGENT; AND RESPIRATOR,AIR FILTERING.]. 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 4240016775313 does not contain precious metals.

This information was last updated on Jul 01, 2025.