The Spray Gun,fire Fighting, cataloged under National Stock Number 4210-01-447-9937, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Williams Fire & Hazard Control 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. 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 | 4210-01-447-9937 |
| Primary Part Number | HC-125 |
| Item Name | Spray Gun,fire Fighting |
| FSC / FSG | 4210 / 42 — Firefighting Equipment |
| Manufacturer | Williams Fire & Hazard Control Inc. |
| Status | ACTIVE |
| Output Capacity | 125.0 GALLONS PER MINUTE MAXIMUM |
| Media for Which Designed | WATER |
| 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 |
|---|---|
| HC-125 PRIMARY | Williams Fire & Hazard Control Inc. (USA) |
NSN 4210-01-447-9937 is a Spray Gun,fire Fighting, manufactured by Williams Fire & Hazard Control Inc., classified under FSC 4210, Firefighting Equipment. Status: active.
NSN 4210-01-447-9937 has 1 manufacturer part number on file: HC-125 (Williams Fire & Hazard Control Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4940-01-581-9082. Verify interchangeability with system specifications before substitution.
Key specifications for HC-125: Output Capacity: 125.0 GALLONS PER MINUTE MAXIMUM; Special Features: ALSO USED FOR DRY CHEMICAL AND FOAM; Media for Which Designed: WATER. 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.