The Heater,generator, cataloged under National Stock Number 4540-01-160-4225, is classified within Federal Supply Class 4540 (Waste Disposal Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Provision, Inc. Dba Provision Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Heater,generator |
| FSC / FSG | 4540 — Waste Disposal Equipment (FSG 45) |
| Manufacturers | Provision, Inc. Dba Provision Inc (CAGE 14487) |
| Parameter | Value |
|---|---|
| NSN | 4540-01-160-4225 |
| Primary Part Number | 21342-4 |
| Item Name | Heater,generator |
| FSC / FSG | 4540 / 45 — Waste Disposal Equipment |
| Manufacturer | Provision, Inc. Dba Provision Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 21342-4 PRIMARY | Provision, Inc. Dba Provision Inc (USA) |
NSN 4540-01-160-4225 is a Heater,generator, manufactured by Provision, Inc. Dba Provision Inc, classified under FSC 4540, Waste Disposal Equipment. Status: active.
NSN 4540-01-160-4225 has 1 manufacturer part number on file: 21342-4 (Provision, Inc. Dba Provision Inc).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-379-1498. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). 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.