The Gear Operator,valve, cataloged under National Stock Number 4820-01-582-3934, 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 1 specification, 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-582-3934 |
| Primary Part Number | 7D-37-2634 |
| Item Name | Gear Operator,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dyna-Torque Inc |
| Status | ACTIVE |
| Valve Type for Which Designed | BALL |
| 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 |
|---|---|
| 7D-37-2634 PRIMARY | Dyna-Torque Inc (USA) |
| 845-8219247-D1-FGNA-072 PRIMARY | Nil-Cor, Llc (USA) |
| Reference | Meaning |
|---|---|
| 845-8219247-D1-GGNA-72 | 5/9 Secondary reference Nil-Cor, Llc |
| 845-8219247-D1-HGNA-72 | 5/9 Secondary reference Naval Sea Systems Command |
| 845-8219247-D1-HGNA-72 | 5/9 Secondary reference Nil-Cor, Llc |
| 845-8219247-D1-GGNA-72 | 5/9 Secondary reference Naval Sea Systems Command |
| 845-8219247-D1-FGNA-072 | 5/9 Secondary reference Naval Sea Systems Command |
| 845-8219247 ITEM 72 | 5/9 Secondary reference Naval Sea Systems Command |
| 8219247 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4820-01-582-3934 is a Gear Operator,valve, manufactured by Dyna-Torque Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-582-3934 has 2 manufacturer part numbers on file: 7D-37-2634 (Dyna-Torque Inc), 845-8219247-D1-FGNA-072 (Nil-Cor, Llc).
Key specifications for 7D-37-2634: Valve Type for Which Designed: BALL; End Item Identification: 4820-01-582-3342, 4820-01-582-3375, 4820-01-582-3409 BALL VALVES. 1 specification is 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.