The Housing Section,filter Assembly,, cataloged under National Stock Number 4240-01-541-8138, 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 Sea Systems Command. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-541-8138 |
| Primary Part Number | 7653199-1 |
| Item Name | Housing Section,filter Assembly, |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Special Markings | IDENTIFICATION PLATE PERMANENTLY MARKED WITH SERIAL NO,, CAGE CODE AND CONTRACT NO. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7653199-1 PRIMARY | Naval Sea Systems Command (USA) |
NSN 4240-01-541-8138 is a Housing Section,filter Assembly,, manufactured by Naval Sea Systems Command, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-541-8138 has 1 manufacturer part number on file: 7653199-1 (Naval Sea Systems Command).
Key specifications for 7653199-1: Special Features: INCLUDES: WAIST STRAP ASSEMBLIES (RIGHT AND LEFT); OXYGEN BYPASS VALVE ASSY; DILUENT BYPASS VALVE ASSY; OXYGEN REGULATOR MOUNTED ASSY; DILUENT REGULATOR MOUNTED ASSY; ELECTRONICS STRAP ASSY; PRIMARY ELECTRONICS ASSY; TUBE ASSEMBLIES (11); OXYGEN ADDITION VALVE; FEMALE FITTING; OXYGEN HIGH PRESSURE GAUGE ASSY; DILUENT HIGH PRESSURE GAUGE ASSY; SCRUBBER ASSY; CHECK VALVE ASSY; INLINE FILTER ASSY; HANDWHEEL VALVE; LEFT SHOULDER STRAP ASSY; Part Name Assigned by Controlling Agency: INAVY: HOUSING ASSY, LOWER; DWG: LOWER HOUSING ASSEMBLY; End Item Identification: MK16MOD0, UNDERWATER BREATHING APPARATUS (NSW); Special Markings: IDENTIFICATION PLATE PERMANENTLY MARKED WITH SERIAL NO,, CAGE CODE AND CONTRACT NO.. 1 specification is 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 4240-01-541-8138 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.