The Valve Assembly, cataloged under National Stock Number 4820-00-537-0289, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Kidde Technologies, Inc Div Kidde Aerospace and Defense. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-537-0289 |
| Primary Part Number | 873459 |
| Item Name | Valve Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Kidde Technologies, Inc Div Kidde Aerospace and Defense |
| Status | ACTIVE |
| Valve Quantity | 1 |
| Maximum Operating Temp and Media for Which Designed | 70.0 FAHRENHEIT AIR DEGF |
| Operating Pressure and Type | 2250.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LBS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10917120 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 873459 PRIMARY | Kidde Technologies, Inc Div Kidde Aerospace and Defense (USA) |
| Reference | Meaning |
|---|---|
| 4210005370289 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 873459 | 5/9 Secondary reference Kidde-Fenwal, Llc |
NSN 4820-00-537-0289 is a Valve Assembly, manufactured by Kidde Technologies, Inc Div Kidde Aerospace and Defense, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-537-0289 has 2 manufacturer part numbers on file: 10917120 (U S Army Tank Automotive Command Amsta-Im-Mm), 873459 (Kidde Technologies, Inc Div Kidde Aerospace and Defense).
Key specifications for 873459: Valve Quantity: 1; Maximum Operating Temp and Media for Which Designed: 70.0 FAHRENHEIT AIR DEGF; Operating Pressure and Type: 2250.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LBS; End Item Identification: DELAYED DISCHARGED, FIRE EXTINGUISHER. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.