The Valve,ball, cataloged under National Stock Number 4820-01-424-0859, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dover Corp Groen Div. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-424-0859 |
| Primary Part Number | GROZ003436 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dover Corp Groen Div |
| Status | ACTIVE |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Media for Which Designed | STEAM SINGLE RESPONSE |
| Thread Series Designator | NPT 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 |
|---|---|
| GROZ003436 PRIMARY | Dover Corp Groen Div (USA) |
| 009883 | Dover Corp Groen Div (USA) |
| NEB/1 48KW BOILER ITEM 16 | Dover Corp Groen Div (USA) |
| Z003436 PRIMARY | Dover Corp Groen Div (USA) |
NSN 4820-01-424-0859 is a Valve,ball, manufactured by Dover Corp Groen Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-424-0859 has 4 manufacturer part numbers on file: GROZ003436 (Dover Corp Groen Div), 009883 (Dover Corp Groen Div), NEB/1 48KW BOILER ITEM 16 (Dover Corp Groen Div), Z003436 (Dover Corp Groen Div).
Key specifications for GROZ003436: Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU; Thread Direction: RIGHT-HAND ALL ENDS. 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.