The Filter Assembly,gas, cataloged under National Stock Number 4240-01-312-2940, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-312-2940 |
| Item Name | Filter Assembly,gas |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Status | ACTIVE |
| Material | CARBON ACTIVATED FILTER |
| Material | STEEL COMP 304 FRAME |
| Filtration Rate | 1200.000 CUBIC FEET PER MINUTE NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | N |
| Reference | Meaning |
|---|---|
| 5-19-11559 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4240-01-312-2940 is a Filter Assembly,gas, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
Key specifications for 4240-01-312-2940: Overall Height: 24.000 INCHES NOMINAL IN; Overall Length: 50.600 INCHES NOMINAL IN; Overall Width: 24.190 INCHES NOMINAL IN; Special Features: CONSIST OF TEN 120 CFM FILTERS. 3 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.
NSN 4240-01-312-2940 has DEMIL Code Q. 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.