The Stem,fluid Valve, cataloged under National Stock Number 4820-00-004-8099, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Richards Industries Valve Group Jordan Valve Div. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-004-8099 |
| Primary Part Number | H8539 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Richards Industries Valve Group Jordan Valve Div |
| Status | ACTIVE |
| Features Provided | THREADED |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| X5008/12/147 ITEM 8 | Wellman Group (GBR) |
| X5008/12/147/8 | Wellman Group (GBR) |
| 147/8 | Wellman Group (GBR) |
| H8539 PRIMARY | Richards Industries Valve Group Jordan Valve Div (USA) |
| 147 ITEM 8 | Wellman Group (GBR) |
NSN 4820-00-004-8099 is a Stem,fluid Valve, manufactured by Richards Industries Valve Group Jordan Valve Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-004-8099 has 5 manufacturer part numbers on file: X5008/12/147 ITEM 8 (Wellman Group), X5008/12/147/8 (Wellman Group), 147/8 (Wellman Group), H8539 (Richards Industries Valve Group Jordan Valve Div), 147 ITEM 8 (Wellman Group).
Key specifications for H8539: Overall Length: 3.660 INCHES NOMINAL IN; Features Provided: THREADED; Material: STEEL CORROSION RESISTING. 2 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.