The Head,sprinkler,fire Protection, cataloged under National Stock Number 4210-00-460-7151, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4210-00-460-7151 |
| Item Name | Head,sprinkler,fire Protection |
| FSC / FSG | 4210 / 42 — Firefighting Equipment |
| Status | ACTIVE |
| Opening Diameter | 0.328 INCHES NOMINAL IN |
| Head Type | SPRAY |
| Connection Thread Size | 1/2 IN.-14 IN |
| Opening Quantity | 1 |
| Connection Thread Series | NPT |
| Nondefinitive Spec/std Data | 1 TYPE AND 1 CLASS |
| Connection Thread Location | EXTERNAL |
| 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 |
| Reference | Meaning |
|---|---|
| D4A125-24BRZ | 5/9 Secondary reference U.S. Government activity |
| MILH19387 | 4/1 Identification reference U.S. Government activity |
NSN 4210-00-460-7151 is a Head,sprinkler,fire Protection, classified under FSC 4210, Firefighting Equipment. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 4210-00-840-4938, 4210-00-969-2857, 4210-01-231-9906. Verify interchangeability with system specifications before substitution.
Key specifications for 4210-00-460-7151: Opening Diameter: 0.328 INCHES NOMINAL IN; Head Type: SPRAY; Connection Thread Size: 1/2 IN.-14 IN; Opening Quantity: 1. 8 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.