The Stem,fluid Valve, cataloged under National Stock Number 4820-00-987-7965, 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 5 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-987-7965 |
| Primary Part Number | 87-D-107 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Derbyshire Machine & Tool Co |
| Status | ACTIVE |
| Valve Type for Which Designed | BALL |
| Largest Outside Diameter | 0.470 INCHES NOMINAL IN |
| Stem Actuating End Type | THREADED EXTERNALLY |
| Valve Size for Which Designed | 0.500 INCHES IN |
| Material | ALUMINUM 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 |
|---|---|
| 87-D-107 | Derbyshire Machine & Tool Co (USA) |
| Reference | Meaning |
|---|---|
| 2640-087PC10 | 3/2 Design control — primary reference U.S. Government activity |
| 75765-40X1PC4 | 5/2 Secondary reference U.S. Government activity |
| 2640-157PC10 | 5/2 Secondary reference U.S. Government activity |
| SS845-1889836 PC 10 | 3/2 Design control — primary reference U.S. Government activity |
| 2640-166X1PC10 | 5/2 Secondary reference U.S. Government activity |
| 2640-150PC10 | 5/2 Secondary reference U.S. Government activity |
| 2640-160PC10 | 5/2 Secondary reference U.S. Government activity |
| 2640-163PC6 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-00-987-7965 is a Stem,fluid Valve, manufactured by Derbyshire Machine & Tool Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-987-7965 has 1 manufacturer part number on file: 87-D-107 (Derbyshire Machine & Tool Co).
Key specifications for 87-D-107: Valve Type for Which Designed: BALL; Largest Outside Diameter: 0.470 INCHES NOMINAL IN; Stem Actuating End Type: THREADED EXTERNALLY; Overall Length: 4.250 INCHES NOMINAL IN. 5 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.