The Filter,particulate, cataloged under National Stock Number 4240-01-422-5753, 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3 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4240-01-422-5753 |
| Item Name | Filter,particulate |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Status | ACTIVE |
| Material Document and Classification | MIL-F-51079 MIL SPEC SINGLE MATERIAL RESPONSE FILTER |
| Material | PAPER FILTER |
| Filtration Rate | 2000.000 CUBIC FEET PER MINUTE NOMINAL |
| 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 |
|---|---|
| M51068-8-50-200 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| MIL-F-51068 | 4/1 Identification reference U.S. Government activity |
| M51068-8-50-200 | 2/2 Government specification standardization U.S. Government activity |
NSN 4240-01-422-5753 is a Filter,particulate, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4330-01-434-8608. Verify interchangeability with system specifications before substitution.
Key specifications for 4240-01-422-5753: Material Document and Classification: MIL-F-51079 MIL SPEC SINGLE MATERIAL RESPONSE FILTER; Overall Length: 24.000 INCHES NOMINAL IN; Overall Width: 24.000 INCHES NOMINAL IN; Material: PAPER FILTER. 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.
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.