The Hose,air Breathing, cataloged under National Stock Number 4240-01-385-4989, 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 Honeywell Safety Products Usa, Inc.. Government technical data includes 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-385-4989 |
| Primary Part Number | 14900503 |
| Item Name | Hose,air Breathing |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Honeywell Safety Products Usa, Inc. |
| Status | ACTIVE |
| Cross-Sectional Shape Style | ROUNDROUND |
| Features Provided | OIL RESISTANT |
| Inside Diameter | 3.500 INCHES NOMINAL FIRST END IN |
| Material | RUBBER ALL PLIES |
| 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 |
|---|---|
| 14900503 PRIMARY | Honeywell Safety Products Usa, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 14900503 | 5/9 Secondary reference Dalloz Safety |
| R814B-50 | 5/9 Secondary reference Survivair Corp Sub of Comasec Inc |
| R814B-50 | 5/9 Secondary reference Dalloz Safety |
| 14900503 | 5/9 Secondary reference Survivair Corp Sub of Comasec Inc |
NSN 4240-01-385-4989 is a Hose,air Breathing, manufactured by Honeywell Safety Products Usa, Inc., classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-385-4989 has 1 manufacturer part number on file: 14900503 (Honeywell Safety Products Usa, Inc.).
Key specifications for 14900503: Cross-Sectional Shape Style: ROUNDROUND; Features Provided: OIL RESISTANT; Inside Diameter: 3.500 INCHES NOMINAL FIRST END IN; Special Features: 50 FT HOSE WITH SCHRADER (B) FITTINGS 1/4" TWIST LOCK SERIES; SOLE SOURCE REQUIRED BY STATUTE 6.302; NIOSHA APPROVED TC-19C-166 FT. 4 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.