The Cover,exhalation Valve, cataloged under National Stock Number 4240-01-250-6415, 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 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-250-6415 |
| Primary Part Number | 14900397 |
| Item Name | Cover,exhalation Valve |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Honeywell Safety Products Usa, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | RETROFIT FOR ORAL/NASAL CUP; SOLE SOURCE REQUIRED BY STATUTE 6.302 |
| Criticality Code Justification | TEXT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 14900397 | Honeywell Safety Products Usa, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 14900397 | 5/9 Secondary reference Survivair Corp Sub of Comasec Inc |
| R-793 | 5/9 Secondary reference Survivair Corp Sub of Comasec Inc |
| R-793 | 3/9 Design control — primary reference Dalloz Safety |
| 14900397 | 5/9 Secondary reference Dalloz Safety |
NSN 4240-01-250-6415 is a Cover,exhalation Valve, manufactured by Honeywell Safety Products Usa, Inc., classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-250-6415 has 1 manufacturer part number on file: 14900397 (Honeywell Safety Products Usa, Inc.).
Key specifications for 14900397: General Characteristics Item Description: RETROFIT FOR ORAL/NASAL CUP; SOLE SOURCE REQUIRED BY STATUTE 6.302; Criticality Code Justification: TEXT; End Item Identification: WILLSON SAFETY PRODUCTS MODELS 1600 AND 1700 RESPIRATORS. 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.
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.