The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-583-4026, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is American of Martinsville, Inc. Div American of Martinsville, Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-583-4026 |
| Primary Part Number | R978030505 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | American of Martinsville, Inc. Div American of Martinsville, Inc. |
| Status | ACTIVE |
| Media for Which Designed | HYDRAULIC FLUID, MIL-H-5606 |
| 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 |
|---|---|
| 12KP719 | Oshkosh Defense Llc (USA) |
| R978030505 PRIMARY | American of Martinsville, Inc. Div American of Martinsville, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 12KP719 | 5/9 Secondary reference Oshkosh Corp |
NSN 4820-01-583-4026 is a Valve,regulating,fluid Pressure, manufactured by American of Martinsville, Inc. Div American of Martinsville, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-583-4026 has 2 manufacturer part numbers on file: 12KP719 (Oshkosh Defense Llc), R978030505 (American of Martinsville, Inc. Div American of Martinsville, Inc.).
Key specifications for R978030505: Part Name Assigned by Controlling Agency: ACCUMULATOR, HYDRAULIC; End Item Identification: 2320-01-534-1872 TRUCK PALLETIZED LOADING; Media for Which Designed: HYDRAULIC FLUID, MIL-H-5606. 1 specification is 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.