The Valve,vehicular, cataloged under National Stock Number 4820-01-547-4945, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is John Deere Construction & Forestry Company. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-547-4945 |
| Primary Part Number | T158495 |
| Item Name | Valve,vehicular |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | John Deere Construction & Forestry Company |
| 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 |
|---|---|
| AT1711854 | Rdo Equipment Rdo Equipment Pty Ltd (AUS) |
| AT1711854 | Hitachi Construction Machinery Aust Australia Pty Ltd Hitachi Construction Machinery (AUS) |
| T158495 PRIMARY | John Deere Construction & Forestry Company (USA) |
| Reference | Meaning |
|---|---|
| T158495 | 3/9 Design control — primary reference John Deere Construction & Forestry Company Div Direct Governmental Sales |
NSN 4820-01-547-4945 is a Valve,vehicular, manufactured by John Deere Construction & Forestry Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-547-4945 has 3 manufacturer part numbers on file: AT1711854 (Rdo Equipment Rdo Equipment Pty Ltd), AT1711854 (Hitachi Construction Machinery Aust Australia Pty Ltd Hitachi Construction Machinery), T158495 (John Deere Construction & Forestry Company).
1 possible match (shared part number, not a government interchangeability claim): 2990-01-571-6046. Verify interchangeability with system specifications before substitution.
Key specifications for T158495: Special Features: USED ON AN AIR CLEANER ON MANY CONSTRUCTION VEHICLES. 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.