The Gear Operator,valve, cataloged under National Stock Number 4820-01-435-4663, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dyna-Torque Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-435-4663 |
| Primary Part Number | 33-2636 |
| Item Name | Gear Operator,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dyna-Torque Inc |
| Status | ACTIVE |
| Gear Type | WORM |
| Material | IRON |
| Gear Ratio | 48 TO 1 |
| 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 |
|---|---|
| 33-2636 PRIMARY | Dyna-Torque Inc (USA) |
| 2060477-01 | Cooper Cameron Corp Cooper Cameron Valves Div (USA) |
| DT7-33-2636 | Dyna-Torque Inc (USA) |
| Reference | Meaning |
|---|---|
| 33-2636 REV A | C/1 Advisory reference — outside the item-of-supply concept Dyna-Torque Inc |
NSN 4820-01-435-4663 is a Gear Operator,valve, manufactured by Dyna-Torque Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-435-4663 has 3 manufacturer part numbers on file: 33-2636 (Dyna-Torque Inc), 2060477-01 (Cooper Cameron Corp Cooper Cameron Valves Div), DT7-33-2636 (Dyna-Torque Inc).
Key specifications for 33-2636: Gear Type: WORM; Special Features: HANDWHEEL NOT INCL; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS; Material: IRON. 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.
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.