The Valve,rotary,selector, cataloged under National Stock Number 4820-01-407-4914, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Williams Controls Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-407-4914 |
| Primary Part Number | 118317WM783A |
| Item Name | Valve,rotary,selector |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Williams Controls Inc |
| Status | ACTIVE |
| Connection Type | THREADED INTERNAL PIPE |
| Valve Size | 0.125 INCHES IN |
| Flow Type | FOUR-WAY |
| Nominal Thread Size | 0.125 INCHES IN |
| Mounting Facility | INLINE |
| Connection Location | BOTTOM AND SIDE |
| Connection Quantity | 3 |
| Thread Series Designator | NPT |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 118317WM783A PRIMARY | Williams Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 10527296 | 7/2 Vendor item drawing reference General Dynamics Land Systems Canadacorp |
NSN 4820-01-407-4914 is a Valve,rotary,selector, manufactured by Williams Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-407-4914 has 1 manufacturer part number on file: 118317WM783A (Williams Controls Inc).
Key specifications for 118317WM783A: Connection Type: THREADED INTERNAL PIPE; Valve Size: 0.125 INCHES IN; Flow Type: FOUR-WAY; Nominal Thread Size: 0.125 INCHES IN. 9 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.