The Foam Powder,fire Extinguishing, cataloged under National Stock Number 4210-01-646-2972, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4210-01-646-2972 |
| Item Name | Foam Powder,fire Extinguishing |
| FSC / FSG | 4210 / 42 — Firefighting Equipment |
| Status | ACTIVE |
| 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 |
|---|---|
| FIP 1-STEP | 3/9 Design control — primary reference 3m Company |
| 7100020738 | C/1 Advisory reference — outside the item-of-supply concept 3m Company |
NSN 4210-01-646-2972 is a Foam Powder,fire Extinguishing, classified under FSC 4210, Firefighting Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6850-01-718-6746. Verify interchangeability with system specifications before substitution.
Key specifications for 4210-01-646-2972: Special Features: COLOR AVAILABLE MAROON; APPLICATION TEMPERATURE RANGE 50 - 120 F; UNIT VOLUME 12.85 FLUID OZ; 12 MONTH SHELF LIFE; STORAGE IN DRY AREA 40 - 85 F; Part Name Assigned by Controlling Agency: FIRE BARRIER FOAM. 0 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.