The Head,sprinkler,fire Protection, cataloged under National Stock Number 4210-01-232-8435, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4210-01-232-8435 |
| Item Name | Head,sprinkler,fire Protection |
| FSC / FSG | 4210 / 42 — Firefighting Equipment |
| Status | ACTIVE |
| Head Type | SPRINKLER |
| Connection Thread Size | 1/2 IN.-14 IN |
| Connection Thread Series | NPT |
| Nondefinitive Spec/std Data | 0.281 IN. SIZE IN |
| 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 |
|---|---|
| MIL-S-24660 | 4/1 Identification reference U.S. Government activity |
| MIL-S-24660-21 | 5/9 Secondary reference U.S. Government activity |
| TF29-180-21 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4210-01-232-8435 is a Head,sprinkler,fire Protection, classified under FSC 4210, Firefighting Equipment. Status: active.
Key specifications for 4210-01-232-8435: Head Type: SPRINKLER; Connection Thread Size: 1/2 IN.-14 IN; Connection Thread Series: NPT; Nondefinitive Spec/std Data: 0.281 IN. SIZE 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.