The Gear Operator,valve, cataloged under National Stock Number 4820-01-261-0232, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Derbyshire Machine & Tool Co. This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-261-0232 |
| Primary Part Number | 25-D-058 |
| Item Name | Gear Operator,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Derbyshire Machine & Tool Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| DM47520 | Naval Ship Systems Command (USA) |
| DM47520 ITEM 35 | Naval Ship Systems Command (USA) |
| 501-4675699 ITEM 35 | Naval Ship Systems Command (USA) |
| 501-4675699 ITEM 35 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 87643-7505 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 4675699-0035 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 25-D-058 PRIMARY | Derbyshire Machine & Tool Co (USA) |
NSN 4820-01-261-0232 is a Gear Operator,valve, manufactured by Derbyshire Machine & Tool Co, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-261-0232 has 7 cross-referenced part numbers: DM47520 (Naval Ship Systems Command), DM47520 ITEM 35 (Naval Ship Systems Command), 501-4675699 ITEM 35 (Naval Ship Systems Command), 501-4675699 ITEM 35 (Electric Boat Corporation Div General Dynamics Electric Boat), 87643-7505 (Electric Boat Corporation Div General Dynamics Electric Boat) and 2 more.
There are 3 known substitutes for 4820-01-261-0232: 2520-01-259-7476, 2520-01-259-7477, 4820-01-260-1976. Verify interchangeability with system specifications before substitution.
Key specifications for 25-D-058: Special Features: FURNISHED WITH OPEN-CLOSE INDICATOR. 1 total characteristics are documented in the Federal Logistics Information System.