The Valve,ball, cataloged under National Stock Number 4820-01-617-3935, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hydraspecma Ab. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-617-3935 |
| Primary Part Number | 704298 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hydraspecma Ab |
| Status | ACTIVE |
| Flange Shape | HEXAGON ALL ENDS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Mounting Facility | THREADED FASTENER |
| Nominal Width | 20.0 MILLIMETERS ALL ENDS MM |
| 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 |
|---|---|
| 704298 PRIMARY | Hydraspecma Ab (SWE) |
| EP-0003154 | Independent Rough Terrain Center Llc (USA) |
| Reference | Meaning |
|---|---|
| 704298 | 3/9 Design control — primary reference Specma Dunlop Hydraulic Ab |
NSN 4820-01-617-3935 is a Valve,ball, manufactured by Hydraspecma Ab, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-617-3935 has 2 manufacturer part numbers on file: 704298 (Hydraspecma Ab), EP-0003154 (Independent Rough Terrain Center Llc).
Key specifications for 704298: Flange Shape: HEXAGON ALL ENDS; Style Designator: STRAIGHT THRU FLANGED ENDS; Mounting Facility: THREADED FASTENER; Special Features: LEVER IS 67 MM LENGTH MM. 5 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.