The Head,sprinkler,fire Protection, cataloged under National Stock Number 4210-01-320-1280, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is The Hiller Companies, Llc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4210-01-320-1280 |
| Primary Part Number | 264490-10 |
| Item Name | Head,sprinkler,fire Protection |
| FSC / FSG | 4210 / 42 — Firefighting Equipment |
| Manufacturer | The Hiller Companies, Llc |
| Status | ACTIVE |
| Head Type | SPRINKLER |
| Connection Thread Size | 1IN.-11-1/2 IN |
| Connection Thread Series | NPT |
| Connection Thread Location | INTERNAL |
| Media for Which Designed | BROMOTRIFLUOROMETHANE |
| Material | COPPER ALLOY |
| Spray Angle Pattern | 360.0 DEGREES |
| 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 |
|---|---|
| 264490-10 PRIMARY | The Hiller Companies, Llc (USA) |
| 264490-360-10 | The Hiller Companies, Llc (USA) |
| FP-10-1316RMR ITEM 16 | The Hiller Companies, Llc (USA) |
| 26449010 | Kidde-Fenwal, Llc (USA) |
| Reference | Meaning |
|---|---|
| 264490-360-10 | 5/9 Secondary reference Kidde-Fenwal, Llc |
| FP-10-1316RMR | D/9 Drawing number reference only The Hiller Companies, Llc |
| 281848 | 5/9 Secondary reference The Hiller Companies, Llc |
NSN 4210-01-320-1280 is a Head,sprinkler,fire Protection, manufactured by The Hiller Companies, Llc, classified under FSC 4210, Firefighting Equipment. Status: active.
NSN 4210-01-320-1280 has 4 manufacturer part numbers on file: 264490-10 (The Hiller Companies, Llc), 264490-360-10 (The Hiller Companies, Llc), FP-10-1316RMR ITEM 16 (The Hiller Companies, Llc), 26449010 (Kidde-Fenwal, Llc).
Key specifications for 264490-10: Head Type: SPRINKLER; Connection Thread Size: 1IN.-11-1/2 IN; Connection Thread Series: NPT; Connection Thread Location: INTERNAL. 7 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.