The Gear Operator,rotary, cataloged under National Stock Number 3020-01-657-7555, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Triumph Controls, Llc Dba Triumph Controls, Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Gear Operator,rotary |
| FSC / FSG | 3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30) |
| Manufacturers | Triman Industries Inc (CAGE 0ZBE8); Triumph Controls, Llc Dba Triumph Controls, Llc (CAGE 78710) |
| Parameter | Value |
|---|---|
| NSN | 3020-01-657-7555 |
| Primary Part Number | 58592-01 |
| Item Name | Gear Operator,rotary |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Triumph Controls, Llc Dba Triumph Controls, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 58592-01 | Triman Industries Inc (USA) |
| 58592-01 PRIMARY | Triumph Controls, Llc Dba Triumph Controls, Llc (USA) |
| Reference | Meaning |
|---|---|
| 516-8474876 ITEM NO F27 | 5/1 Secondary reference Naval Sea Systems Command |
| 516-8474876 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3020-01-657-7555 is a Gear Operator,rotary, manufactured by Triumph Controls, Llc Dba Triumph Controls, Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-657-7555 has 2 manufacturer part numbers on file: 58592-01 (Triman Industries Inc), 58592-01 (Triumph Controls, Llc Dba Triumph Controls, Llc).
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.