The Filter,gas, cataloged under National Stock Number 4240-01-541-9579, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-541-9579 |
| Primary Part Number | 7653254-1CP |
| Item Name | Filter,gas |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 7653254-1CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 7653254-1 | 3/1 Design control — primary reference Naval Sea Systems Command |
NSN 4240-01-541-9579 is a Filter,gas, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-541-9579 has 1 manufacturer part number on file: 7653254-1CP (Naval Inventory Control Point Mechanicsburg).
Key specifications for 7653254-1CP: Criticality Code Justification: ZZZY; Part Name Assigned by Controlling Agency: INLINE FILTER ASSEMBLY; End Item Identification: MK16MOD0, UNDERWATER BREATHING APPARATUS (NSW); Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D. 2 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 4240-01-541-9579 has DEMIL Code B. 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.