The Valve,ball, cataloged under National Stock Number 4820-01-442-0762, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Chemetron Fire Systems. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-442-0762 |
| Primary Part Number | 10610591 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Chemetron Fire Systems |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDLE |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Media for Which Designed | CARBON DIOXIDE SINGLE RESPONSE |
| Thread Series Designator | NPTF ALL ENDS |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 10610591 PRIMARY | Chemetron Fire Systems (USA) |
| Reference | Meaning |
|---|---|
| 10610591 | 3/9 Design control — primary reference Badger Fire Protection Inc |
NSN 4820-01-442-0762 is a Valve,ball, manufactured by Chemetron Fire Systems, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-442-0762 has 1 manufacturer part number on file: 10610591 (Chemetron Fire Systems).
Key specifications for 10610591: Furnished Items and Quantity: 1 HANDLE; Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 8 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.