The Cap,hose, cataloged under National Stock Number 4210-01-321-8298, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4210-01-321-8298 |
| Primary Part Number | 6227558-1 |
| Item Name | Cap,hose |
| FSC / FSG | 4210 / 42 — Firefighting Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND INTERNAL |
| Nominal Thread Size | 1.313 INCHES INTERNAL IN |
| Thread Class | 2B INTERNAL |
| Thread Quantity Per Inch | 12 INTERNAL |
| Material | ALUMINUM OVERALL |
| 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 |
|---|---|
| 6227558-1 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6227558 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4210-01-321-8298 is a Cap,hose, manufactured by Naval Sea Systems Command, classified under FSC 4210, Firefighting Equipment. Status: active.
NSN 4210-01-321-8298 has 1 manufacturer part number on file: 6227558-1 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-449-5853, 4730-01-449-5876, 4730-01-449-5892. Verify interchangeability with system specifications before substitution.
Key specifications for 6227558-1: Thread Direction: RIGHT-HAND INTERNAL; Nominal Thread Size: 1.313 INCHES INTERNAL IN; Thread Class: 2B INTERNAL; Thread Quantity Per Inch: 12 INTERNAL. 5 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.