The Disk,valve, cataloged under National Stock Number 4820-01-316-9730, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-316-9730 |
| Primary Part Number | 1118190 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Shank Diameter | 0.216 INCHES NOMINAL IN |
| Flange Seat to Disk End Height | 2.281 INCHES NOMINAL IN |
| Style Designator | POPPET |
| Tip Diameter | 0.156 INCHES NOMINAL IN |
| Seat Angle | 45.0 DEGREES NOMINAL |
| Under Flange Height | 0.343 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
|---|---|
| 1118190 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 1118190 | Bae Systems Land & Armaments L.p. (USA) |
| Reference | Meaning |
|---|---|
| 1118190 | C/1 Advisory reference — outside the item-of-supply concept F & J's Machining |
NSN 4820-01-316-9730 is a Disk,valve, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-316-9730 has 2 manufacturer part numbers on file: 1118190 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1118190 (Bae Systems Land & Armaments L.p.).
Key specifications for 1118190: Shank Diameter: 0.216 INCHES NOMINAL IN; Flange Seat to Disk End Height: 2.281 INCHES NOMINAL IN; Overall Height: 2.781 INCHES NOMINAL IN; Style Designator: POPPET. 7 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.