The Bit,mouthpiece,breathing Apparat, cataloged under National Stock Number 4240-01-708-1300, 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 Ocenco Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-708-1300 |
| Primary Part Number | 643302-BWD |
| Item Name | Bit,mouthpiece,breathing Apparat |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Ocenco Inc |
| Status | ACTIVE |
| Supplementary Features | 268 MM X 119 MM X 84 MM MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 643302-BWD PRIMARY | Ocenco Inc (USA) |
| 643302-BWD | Interspiro Gmbh (DEU) |
NSN 4240-01-708-1300 is a Bit,mouthpiece,breathing Apparat, manufactured by Ocenco Inc, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-708-1300 has 2 manufacturer part numbers on file: 643302-BWD (Ocenco Inc), 643302-BWD (Interspiro Gmbh).
Key specifications for 643302-BWD: Supplementary Features: 268 MM X 119 MM X 84 MM MM; Special Features: MOUTHPIECE UNIT, ORIGINAL SPARE PART FOR THE M-40T TRAINER, REUSABLE, CLEANING AND DISINFECTION MUST GET PROCESSED ALONG MANUFACTURER ADVICES. TRAINING PURPOSES ONLY, BREATHING RESISTANCE SIMILAR TO THE LIFE UNIT M-40 SELF CONTAINED SELF RESCUER, QUICK AND EASY TO MOUNT/DISMOUNT ON THE TRAINER; CANNOT BE SUPPLIED AS A SINGLE PIECE.; Part Name Assigned by Controlling Agency: MOUTHPIECE UNITS M-40T TRAINER. 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.
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.