The Head,sprinkler,fire Protection, cataloged under National Stock Number 4210-01-356-9089, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Tyco Fire Products Lp. 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. 2 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 | 4210-01-356-9089 |
| Primary Part Number | 44640 |
| Item Name | Head,sprinkler,fire Protection |
| FSC / FSG | 4210 / 42 — Firefighting Equipment |
| Manufacturer | Tyco Fire Products Lp |
| Status | ACTIVE |
| Connection Thread Size | 1/2 IN.-14 IN |
| Opening Quantity | 1 |
| Connection Thread Series | NPT |
| Connection Thread Location | EXTERNAL |
| Media for Which Designed | CHEMICAL FOAM |
| 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 |
|---|---|
| 44640 PRIMARY | Tyco Fire Products Lp (USA) |
NSN 4210-01-356-9089 is a Head,sprinkler,fire Protection, manufactured by Tyco Fire Products Lp, classified under FSC 4210, Firefighting Equipment. Status: active.
NSN 4210-01-356-9089 has 1 manufacturer part number on file: 44640 (Tyco Fire Products Lp).
2 possible matches (shared part number, not a government interchangeability claim): 5950-01-363-2141, 5315-01-421-8395. Verify interchangeability with system specifications before substitution.
Key specifications for 44640: Connection Thread Size: 1/2 IN.-14 IN; Opening Quantity: 1; Connection Thread Series: NPT; Connection Thread Location: EXTERNAL. 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.