The Gear,spur, cataloged under National Stock Number 3020-01-154-2881, 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 Trident Maritime Systems Uk Limited. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-154-2881 |
| Primary Part Number | 20574/200.30 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Trident Maritime Systems Uk Limited |
| Status | ACTIVE |
| Teeth Quantity | 20 |
| Body Style | PLAIN, WITH LIGHTENING HOLES |
| Style Designator | PROTRUDING HUB, RECESSED BODY |
| Nominal Outside Diameter | 0.727 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Face Nominal Width | 0.095 INCHES IN |
| 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 |
|---|---|
| 20574/200.30 PRIMARY | Trident Maritime Systems Uk Limited (GBR) |
| Reference | Meaning |
|---|---|
| 20574/200.30 | 3/9 Design control — primary reference Aeronautical & General Instruments Limited |
NSN 3020-01-154-2881 is a Gear,spur, manufactured by Trident Maritime Systems Uk Limited, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-154-2881 has 1 manufacturer part number on file: 20574/200.30 (Trident Maritime Systems Uk Limited).
Key specifications for 20574/200.30: Teeth Quantity: 20; Body Style: PLAIN, WITH LIGHTENING HOLES; Style Designator: PROTRUDING HUB, RECESSED BODY; Nominal Outside Diameter: 0.727 INCHES IN. 6 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.