The Valve,flow Control, cataloged under National Stock Number 4820-01-152-9265, 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 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-152-9265 |
| Primary Part Number | 4687727 ASSY B |
| Item Name | Valve,flow Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Derbyshire Machine & Tool Co |
| Status | ACTIVE |
| Connection Type | FLANGE, ROUND W/HOLES |
| End Connection Quantity | 3 |
| Body Material | NICKEL ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4687727 ASSY B | Derbyshire Machine & Tool Co (USA) |
| Reference | Meaning |
|---|---|
| 2642-825-88 ASSEMBLY B | 3/2 Design control — primary reference U.S. Government activity |
| 845-4687727 | D/9 Drawing number reference only U.S. Government activity |
| 2642-825-88 | D/9 Drawing number reference only U.S. Government activity |
| 845-4687727 ASSEMBLY B | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-152-9265 is a Valve,flow Control, manufactured by Derbyshire Machine & Tool Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-152-9265 has 1 manufacturer part number on file: 4687727 ASSY B (Derbyshire Machine & Tool Co).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-191-9578. Verify interchangeability with system specifications before substitution.
Key specifications for 4687727 ASSY B: Connection Type: FLANGE, ROUND W/HOLES; End Connection Quantity: 3; Body Material: NICKEL ALLOY. 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.
NSN 4820-01-152-9265 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.