The Disk,valve, cataloged under National Stock Number 4820-01-199-8160, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Derbyshire Machine & Tool Co. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-199-8160 |
| Primary Part Number | 86-D-108 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Derbyshire Machine & Tool Co |
| Status | ACTIVE |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 86-D-108 PRIMARY | Derbyshire Machine & Tool Co (USA) |
| 1079-501-42 PIECE 3 | Huntington Ingalls Incorporated Div Ingalls Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| SSN593-501-1863225 PIECE 3 | 5/2 Secondary reference U.S. Government activity |
| SSN593-501-1863225 | D/9 Drawing number reference only U.S. Government activity |
NSN 4820-01-199-8160 is a Disk,valve, manufactured by Derbyshire Machine & Tool Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-199-8160 has 2 manufacturer part numbers on file: 86-D-108 (Derbyshire Machine & Tool Co), 1079-501-42 PIECE 3 (Huntington Ingalls Incorporated Div Ingalls Shipbuilding).
Key specifications for 86-D-108: Material: COPPER ALLOY. 1 specification is 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.