The Tank,foam, cataloged under National Stock Number 4210-00-237-0659, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Fwd Seagrave Holdings Lp. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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 | 4210-00-237-0659 |
| Primary Part Number | 534271 |
| Item Name | Tank,foam |
| FSC / FSG | 4210 / 42 — Firefighting Equipment |
| Manufacturer | Fwd Seagrave Holdings Lp |
| Status | ACTIVE |
| General Characteristics Item Description | LAMINATED POLYESTER FIBERGLASS,49.900 IN. LG,28.250 IN. W,0.150 IN. THK,2HOLES 1.000 IN. DIA,0.250 IN. RADIUS/4 CORNERS/,3.826 IN. ID OF TUBE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 4210-00-237-0659 is a Tank,foam, manufactured by Fwd Seagrave Holdings Lp, classified under FSC 4210, Firefighting Equipment. Status: active.
NSN 4210-00-237-0659 has 2 manufacturer part numbers on file: 534271 (Fwd Seagrave Holdings Lp), 534271 (Atap Inc).
1 possible match (shared part number, not a government interchangeability claim): 5940-01-130-5308. Verify interchangeability with system specifications before substitution.
Key specifications for 534271: General Characteristics Item Description: LAMINATED POLYESTER FIBERGLASS,49.900 IN. LG,28.250 IN. W,0.150 IN. THK,2HOLES 1.000 IN. DIA,0.250 IN. RADIUS/4 CORNERS/,3.826 IN. ID OF TUBE IN. 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.