The Adapter,air Hose,regulator, cataloged under National Stock Number 4240-01-674-2872, 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 Apex Pinnacle Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4240-01-674-2872 |
| Primary Part Number | 25366 |
| Item Name | Adapter,air Hose,regulator |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Apex Pinnacle Corp |
| Status | ACTIVE |
| Overall Diameter | 0.375 INCHES NOMINAL IN |
| 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 |
|---|---|
| 25366 PRIMARY | Apex Pinnacle Corp (USA) |
| Reference | Meaning |
|---|---|
| 25366 CP | 3/1 Design control — primary reference Apex Pinnacle Corp |
NSN 4240-01-674-2872 is a Adapter,air Hose,regulator, manufactured by Apex Pinnacle Corp, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-674-2872 has 1 manufacturer part number on file: 25366 (Apex Pinnacle Corp).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-705-8491. Verify interchangeability with system specifications before substitution.
Key specifications for 25366: Overall Diameter: 0.375 INCHES NOMINAL IN; Overall Length: 120.00 INCHES NOMINAL IN; Special Features: SYNFLEX MATERIAL IS PRESENT; Part Name Assigned by Controlling Agency: ADAPTER, AIR HOSE, REGULATOR. 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.