The Carrier,mask,m43, cataloged under National Stock Number 4240-01-220-0560, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-220-0560 |
| Item Name | Carrier,mask,m43 |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | C/OFRONT PANEL ASSY PN 5-1-1392; BACK PANEL PN 5-1-1394; CENTER PANEL ASSY PN 5-1-1395; WAIST STRAP ASSY PN 5-1-1303 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 5-1-1305 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4240-01-220-0560 is a Carrier,mask,m43, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6550-01-354-1014. Verify interchangeability with system specifications before substitution.
Key specifications for 4240-01-220-0560: General Characteristics Item Description: C/OFRONT PANEL ASSY PN 5-1-1392; BACK PANEL PN 5-1-1394; CENTER PANEL ASSY PN 5-1-1395; WAIST STRAP ASSY PN 5-1-1303; End Item Identification: EAA M43 GAS MASK. 1 specification is 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.