The Trigger Device,pneumatic,time De, cataloged under National Stock Number 4210-01-564-0004, 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. Government technical data includes 3 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4210-01-564-0004 |
| Primary Part Number | 81-871072-002 |
| Item Name | Trigger Device,pneumatic,time De |
| FSC / FSG | 4210 / 42 — Firefighting Equipment |
| Manufacturer | Kidde-Fenwal, Llc |
| Status | ACTIVE |
| Overall Diameter | 3.560 INCHES NOMINAL IN |
| Material | COPPER ALLOY AND STEEL CORROSION RESISTING |
| Thread Size and Series/type Designator | 1.25-18 UNF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 81-871072-002 PRIMARY | Kidde-Fenwal, Llc (USA) |
| 555-8336673 ITEM F-11 | Naval Sea Systems Command (USA) |
NSN 4210-01-564-0004 is a Trigger Device,pneumatic,time De, manufactured by Kidde-Fenwal, Llc, classified under FSC 4210, Firefighting Equipment. Status: active.
NSN 4210-01-564-0004 has 2 manufacturer part numbers on file: 81-871072-002 (Kidde-Fenwal, Llc), 555-8336673 ITEM F-11 (Naval Sea Systems Command).
Key specifications for 81-871072-002: Overall Height: 17.900 INCHES NOMINAL IN; Overall Diameter: 3.560 INCHES NOMINAL IN; Special Features: OPERATING TEMPERATURE RANGE IS 32 TO 130 DEGREES FARENHEIT;MAS IS 13.0 POUNDS;VALVE MATERIAL IS FORGED BRASS, METERING TUBE MATERIAL IS STAINLESS STEEL, AND CYLINDER MATERIAL IS CHROME MOLY STEEL;CYLINDER CAPACITY IS 108 CUBIC INCHES LBS; Part Name Assigned by Controlling Agency: NITROGEN TIME DELAY. 3 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.