The Valve,control,automatic Sprinkle, cataloged under National Stock Number 4210-00-288-6872, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Derbyshire Machine & Tool Co. Government technical data includes 20 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4210-00-288-6872 |
| Primary Part Number | P332 |
| Item Name | Valve,control,automatic Sprinkle |
| FSC / FSG | 4210 / 42 — Firefighting Equipment |
| Manufacturer | Derbyshire Machine & Tool Co |
| Status | ACTIVE |
| Stem Material | NICKEL ALLOY |
| Stem Movement Direction | DESCENDING |
| Flow Control Device | DISK, FLAT |
| Renewable Seat Ring Type | BONDED |
| Body Style | STRAIGHT THRU |
| Face to Face Distance | 12.500 INCHES NOMINAL IN |
| First End Flange Thickness | 0.625 INCHES NOMINAL IN |
| First End Flange Outside Diameter | 6.125 INCHES NOMINAL IN |
| First End Style Designator | PLAIN |
| End Connection Quantity | 2 |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Second End Relationship with First End | IDENTICAL |
| Bonnet Type | EXPOSED SPRING |
| First End Connection Type | PLAIN FACE FLANGE |
| Bonnet Attachment Method | BOLTED |
| First End Flange Shape Style | ROUND W/O BOLT HOLES |
| Sprinkler System for Which Designed | DRY PIPE |
| Media for Which Designed | WATER, SALT |
| Furnished Items | EMERGENCY MANUAL OPERATING DEVICE |
| Valve Operation Method | PISTON |
| 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 |
|---|---|
| P332 PRIMARY | Derbyshire Machine & Tool Co (USA) |
| Reference | Meaning |
|---|---|
| 2653FAND2654FV90000 | 5/9 Secondary reference Byron W H Inc a C E Div |
| 566551PC1T047 | 5/2 Secondary reference U.S. Government activity |
| 2653FPC1T047 | 5/9 Secondary reference Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa |
NSN 4210-00-288-6872 is a Valve,control,automatic Sprinkle, manufactured by Derbyshire Machine & Tool Co, classified under FSC 4210, Firefighting Equipment. Status: active.
NSN 4210-00-288-6872 has 1 manufacturer part number on file: P332 (Derbyshire Machine & Tool Co).
1 possible match (shared part number, not a government interchangeability claim): 5342-01-293-7833. Verify interchangeability with system specifications before substitution.
Key specifications for P332: Stem Material: NICKEL ALLOY; Stem Movement Direction: DESCENDING; Flow Control Device: DISK, FLAT; Renewable Seat Ring Type: BONDED. 20 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.