The Stem,fluid Valve, cataloged under National Stock Number 4820-01-058-7910, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-058-7910 |
| Primary Part Number | 2483873REVBPC13 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Derbyshire Machine & Tool Co |
| Status | ACTIVE |
| Valve Type for Which Designed | ANGLE |
| Largest Outside Diameter | 1.625 INCHES NOMINAL IN |
| Stem Actuating End Type | ROUNDED AND THREADED EXTERNALLY |
| Valve Size for Which Designed | 4.000 INCHES IN |
| Material | NICKEL 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 |
|---|---|
| 2483873REVBPC13 PRIMARY | Derbyshire Machine & Tool Co (USA) |
| SSN651-502-2483873REVBPC13 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| SSN651-502-2483873 | D/9 Drawing number reference only Naval Sea Systems Command |
| 265-3400PC13 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 4820-01-058-7910 is a Stem,fluid Valve, manufactured by Derbyshire Machine & Tool Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-058-7910 has 2 manufacturer part numbers on file: 2483873REVBPC13 (Derbyshire Machine & Tool Co), SSN651-502-2483873REVBPC13 (Naval Sea Systems Command).
Key specifications for 2483873REVBPC13: Valve Type for Which Designed: ANGLE; Largest Outside Diameter: 1.625 INCHES NOMINAL IN; Stem Actuating End Type: ROUNDED AND THREADED EXTERNALLY; Overall Length: 11.312 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.