The Valve,restrictor Check, cataloged under National Stock Number 4820-01-299-9059, 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 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-299-9059 |
| Primary Part Number | 111245 |
| Item Name | Valve,restrictor Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Williams Controls Inc |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Style Designator | STRAIGHT THRU |
| Material | ZINC ALLOY BODY |
| 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 |
|---|---|
| 111245 PRIMARY | Williams Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 10527053 | 7/2 Vendor item drawing reference General Dynamics Land Systems Canadacorp |
NSN 4820-01-299-9059 is a Valve,restrictor Check, manufactured by Williams Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-299-9059 has 1 manufacturer part number on file: 111245 (Williams Controls Inc).
Key specifications for 111245: Flow Control Device: POPPET; Style Designator: STRAIGHT THRU; Material: ZINC ALLOY BODY. 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.