The Fireman's Hood Facepiece, cataloged under National Stock Number 4210-01-277-3684, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4210-01-277-3684 |
| Item Name | Fireman's Hood Facepiece |
| FSC / FSG | 4210 / 42 — Firefighting Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL - PLASTIC POLYESTER; SURFACE TREATMENT - GOLD PLATED; SURFACE TYPE - FLEXIBLE FLAT; OVERALL THICKNESS - 0.007 IN. NOMINAL; IN |
| Departure From Cited Document | MIL-H-24925,PARAGRAPH 3.3.8.2,GOLD COATED FACE SHIELD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-H-24925 | 4/1 Identification reference U.S. Government activity |
NSN 4210-01-277-3684 is a Fireman's Hood Facepiece, classified under FSC 4210, Firefighting Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 8415-01-277-3685. Verify interchangeability with system specifications before substitution.
Key specifications for 4210-01-277-3684: General Characteristics Item Description: MATERIAL - PLASTIC POLYESTER; SURFACE TREATMENT - GOLD PLATED; SURFACE TYPE - FLEXIBLE FLAT; OVERALL THICKNESS - 0.007 IN. NOMINAL; IN; Overall Length: 14.830 INCHES NOMINAL IN; Overall Width: 8.800 INCHES NOMINAL IN; Departure From Cited Document: MIL-H-24925,PARAGRAPH 3.3.8.2,GOLD COATED FACE SHIELD. 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.