The Hose,extension,respirator, cataloged under National Stock Number 4240-01-435-4463, 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 Avox Systems Inc Dba Avox Systems Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4240-01-435-4463 |
| Primary Part Number | 232-1368-3 |
| Item Name | Hose,extension,respirator |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Avox Systems Inc Dba Avox Systems Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 232-1368-3 PRIMARY | Avox Systems Inc Dba Avox Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 17B1N8020-501 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4240-01-435-4463 is a Hose,extension,respirator, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-435-4463 has 1 manufacturer part number on file: 232-1368-3 (Avox Systems Inc Dba Avox Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-673-8647. Verify interchangeability with system specifications before substitution.
Key specifications for 232-1368-3: Overall Length: 78.000 INCHES NOMINAL IN; Special Features: COMES WITH HOSE, HOSE CLAMP, RUBBERBAND, SLEEVE IDENTIFICATION, CONNECTOR; End Item Identification: C-17A AIRCRAFT, SCOTT AVIATION A. 0 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.