The Head,sprinkler,fire Protection, cataloged under National Stock Number 4210-01-237-6446, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4210-01-237-6446 |
| Primary Part Number | 32663 |
| Item Name | Head,sprinkler,fire Protection |
| FSC / FSG | 4210 / 42 — Firefighting Equipment |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Head Type | SPRAY |
| Connection Thread Size | 2IN.-11-1/2 IN |
| Connection Thread Series | NPT |
| Connection Thread Location | INTERNAL |
| Media for Which Designed | BROMOTRIFLUOROMETHANE |
| Material | COPPER ALLOY |
| Spray Angle Pattern | 180.0 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 |
|---|---|
| 32663 | Tyco Fire Products Lp (USA) |
| 32663 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| Reference | Meaning |
|---|---|
| 32663N | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 4210-01-237-6446 is a Head,sprinkler,fire Protection, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4210, Firefighting Equipment. Status: active.
NSN 4210-01-237-6446 has 2 manufacturer part numbers on file: 32663 (Tyco Fire Products Lp), 32663 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
2 possible matches (shared part number, not a government interchangeability claim): 6240-01-424-0980, 6220-01-655-0378. Verify interchangeability with system specifications before substitution.
Key specifications for 32663: Head Type: SPRAY; Connection Thread Size: 2IN.-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.