The Canister,gas Mask, cataloged under National Stock Number 4240-00-935-5444, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-00-935-5444 |
| Item Name | Canister,gas Mask |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Status | ACTIVE |
| Length | 1.464 INCHES NOMINAL IN |
| Attachment Method for Which Designed | DIRECTLY TO FACE PIECE |
| Diameter | 4.625 INCHES NOMINAL IN |
| Shape | CYLINDRICAL |
| Nondefinitive Spec/std Data | ND-C-2 TYPE |
| Automatic Timer | NOT INCLUDED |
| Color | ALUMINUM |
| Sealed Metal Container | PROVIDED |
| Reference Number Differentiating Characteristics | AS AMENDED BY NAVAL RESEARCH LABORATORY DRAWINGS D2963 SHEETS 1 THRU 5 AND 6233 SHEETS 1 THRU 4 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 803-1327146 | 3/1 Design control — primary reference U.S. Government activity |
| MILC24314 | 4/1 Identification reference U.S. Government activity |
NSN 4240-00-935-5444 is a Canister,gas Mask, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
Key specifications for 4240-00-935-5444: Length: 1.464 INCHES NOMINAL IN; Attachment Method for Which Designed: DIRECTLY TO FACE PIECE; Diameter: 4.625 INCHES NOMINAL IN; Shape: CYLINDRICAL. 9 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4240-00-935-5444 has DEMIL Code F. Demilitarization may be required before disposal or transfer to non-military entities.
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.