The Mask,air Filtering, cataloged under National Stock Number 4240-01-663-9517, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-663-9517 |
| Primary Part Number | 0545D1049 |
| Item Name | Mask,air Filtering |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center |
| Status | ACTIVE |
| Mask Filter Quantity | 1 |
| Filter Type | FILTER PAD |
| Mask Type | NOSE/CLIP FACEPIECE |
| Exhaust Valve | NOT INCLUDED |
| Strap Type | DOUBLE |
| Filter Replaceability | NONREPLACEABLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 0545D1049 PRIMARY | Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center (USA) |
NSN 4240-01-663-9517 is a Mask,air Filtering, manufactured by Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-663-9517 has 1 manufacturer part number on file: 0545D1049 (Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center).
Key specifications for 0545D1049: Mask Filter Quantity: 1; Filter Type: FILTER PAD; Mask Type: NOSE/CLIP FACEPIECE; Exhaust Valve: NOT INCLUDED. 6 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.