The Valve,linear,directional Control, cataloged under National Stock Number 4820-00-978-7057, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-978-7057 |
| Primary Part Number | 1400212 |
| Item Name | Valve,linear,directional Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Connection Type | THREADED INTERNAL PIPE |
| End Connection Quantity | 6 |
| Nominal Thread Size | 0.500 INCHES IN |
| Thread Series Designator | NPT |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 1400212 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 8V5172 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
| 4D2287 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
NSN 4820-00-978-7057 is a Valve,linear,directional Control, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-978-7057 has 1 manufacturer part number on file: 1400212 (Caterpillar Inc Div Caterpillar Defense).
3 possible matches (shared part number, not a government interchangeability claim): 5905-01-102-9808, 1630-01-372-9139, 5310-01-597-6943. Verify interchangeability with system specifications before substitution.
Key specifications for 1400212: Connection Type: THREADED INTERNAL PIPE; End Connection Quantity: 6; Nominal Thread Size: 0.500 INCHES IN; Thread Series Designator: NPT. 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.