The Parts Kit,valve, cataloged under National Stock Number 4820-01-507-7959, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Navistar Inc. Dba Navistar Div Federal Government Sales Group. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-507-7959 |
| Primary Part Number | 2589611C91 |
| Item Name | Parts Kit,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Navistar Inc. Dba Navistar Div Federal Government Sales Group |
| Status | ACTIVE |
| 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 |
|---|---|
| 2589611C91 PRIMARY | Navistar Inc. Dba Navistar Div Federal Government Sales Group (USA) |
| Reference | Meaning |
|---|---|
| 2502695C91 | 3/9 Design control — primary reference Navistar Inc. Dba Navistar Div Federal Government Sales Group |
NSN 4820-01-507-7959 is a Parts Kit,valve, manufactured by Navistar Inc. Dba Navistar Div Federal Government Sales Group, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-507-7959 has 1 manufacturer part number on file: 2589611C91 (Navistar Inc. Dba Navistar Div Federal Government Sales Group).
1 possible match (shared part number, not a government interchangeability claim): 2590-01-617-8465. Verify interchangeability with system specifications before substitution.
Key specifications for 2589611C91: Special Features: NHA TRUCK POWER STEERING VALVE. 0 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.