The Filter,gas, cataloged under National Stock Number 4240-00-289-7978, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-00-289-7978 |
| Item Name | Filter,gas |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Status | ACTIVE |
| Overall Diameter | 5.435 INCHES NOMINAL IN |
| Material Document and Classification | MIL-C-13724, GRADE 1 MIL SPEC SINGLE MATERIAL RESPONSE FILTER |
| Material | CHARCOAL FILTER |
| Filtration Rate | 12.000 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 | X |
| Reference | Meaning |
|---|---|
| 4240002897978 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| MILF14512 | 5/1 Secondary reference U.S. Government activity |
| C5-19-2267 | 3/2 Design control — primary reference U.S. Government activity |
| 42402897978 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 4240-00-289-7978 is a Filter,gas, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
Key specifications for 4240-00-289-7978: Overall Height: 3.000 INCHES NOMINAL IN; Overall Diameter: 5.435 INCHES NOMINAL IN; Material Document and Classification: MIL-C-13724, GRADE 1 MIL SPEC SINGLE MATERIAL RESPONSE FILTER; Overall Length: 6.935 INCHES NOMINAL IN. 4 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 4240-00-289-7978 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.