The Head,sprinkler,fire Protection, cataloged under National Stock Number 4210-01-641-0317, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Kidde-Fenwal, Llc. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Head,sprinkler,fire Protection |
| FSC / FSG | 4210 — Firefighting Equipment (FSG 42) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711); Kidde-Fenwal, Llc (CAGE 0KDP7); Keystone Fire Protection Co Dba Keystone Fire Protection Co (CAGE 1U693) |
| Parameter | Value |
|---|---|
| NSN | 4210-01-641-0317 |
| Primary Part Number | 86-210181-325 |
| Item Name | Head,sprinkler,fire Protection |
| FSC / FSG | 4210 / 42 — Firefighting Equipment |
| Manufacturer | Kidde-Fenwal, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 555-8204566 LINE NO 144 | Naval Sea Systems Command (USA) |
| 86-210181-325 PRIMARY | Kidde-Fenwal, Llc (USA) |
| 507-8340633 LINE NO 24 | Naval Sea Systems Command (USA) |
| 86-210181-325 | Keystone Fire Protection Co Dba Keystone Fire Protection Co (USA) |
| Reference | Meaning |
|---|---|
| 86-210181 | D/9 Drawing number reference only Kidde-Fenwal, Llc |
NSN 4210-01-641-0317 is a Head,sprinkler,fire Protection, manufactured by Kidde-Fenwal, Llc, classified under FSC 4210, Firefighting Equipment. Status: active.
NSN 4210-01-641-0317 has 4 manufacturer part numbers on file: 555-8204566 LINE NO 144 (Naval Sea Systems Command), 86-210181-325 (Kidde-Fenwal, Llc), 507-8340633 LINE NO 24 (Naval Sea Systems Command), 86-210181-325 (Keystone Fire Protection Co Dba Keystone Fire Protection Co).
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.