The Tip,nozzle,fire Hose, cataloged under National Stock Number 4210-01-291-9724, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is W S Darley & Co. Government technical data includes 6 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 | 4210-01-291-9724 |
| Primary Part Number | B458 |
| Item Name | Tip,nozzle,fire Hose |
| FSC / FSG | 4210 / 42 — Firefighting Equipment |
| Manufacturer | W S Darley & Co |
| Status | ACTIVE |
| Outlet Discharge Opening Diameter | 1.250 INCHES NOMINAL IN |
| Inlet Thread Location | INTERNAL |
| Adjustability | NONADJUSTABLE |
| Inlet Thread Size | 1-1/2 IN.-11-1/2 IN |
| Inlet Thread Series Designator | NS |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| B458 PRIMARY | W S Darley & Co (USA) |
NSN 4210-01-291-9724 is a Tip,nozzle,fire Hose, manufactured by W S Darley & Co, classified under FSC 4210, Firefighting Equipment. Status: active.
NSN 4210-01-291-9724 has 1 manufacturer part number on file: B458 (W S Darley & Co).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-396-4029. Verify interchangeability with system specifications before substitution.
Key specifications for B458: Outlet Discharge Opening Diameter: 1.250 INCHES NOMINAL IN; Inlet Thread Location: INTERNAL; Adjustability: NONADJUSTABLE; Inlet Thread Size: 1-1/2 IN.-11-1/2 IN. 6 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.