The Valve,linear,directional Control, cataloged under National Stock Number 4820-01-677-6954, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Pneumadyne, Inc.. Government technical data includes 3 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-677-6954 |
| Primary Part Number | C042501-HD |
| Item Name | Valve,linear,directional Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Pneumadyne, Inc. |
| Status | ACTIVE |
| End Connection Quantity | 3 |
| Body Material | ALUMINUM |
| Valve Operation Method | AIR |
| 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 |
|---|---|
| C042501-HD PRIMARY | Pneumadyne, Inc. (USA) |
| 122460 | Haulmark Trailers (australia) Pty Ltd (AUS) |
NSN 4820-01-677-6954 is a Valve,linear,directional Control, manufactured by Pneumadyne, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-677-6954 has 2 manufacturer part numbers on file: C042501-HD (Pneumadyne, Inc.), 122460 (Haulmark Trailers (australia) Pty Ltd).
Key specifications for C042501-HD: End Connection Quantity: 3; Body Material: ALUMINUM; Valve Operation Method: AIR. 3 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.