The Gear,spur, cataloged under National Stock Number 3020-01-463-3138, 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 Thern Inc. Government technical data includes 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-463-3138 |
| Primary Part Number | A6877 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Thern Inc |
| Status | ACTIVE |
| Teeth Quantity | 21 |
| Pitch Diameter | 3.5000 INCHES NOMINAL IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| A6877 PRIMARY | Thern Inc (USA) |
NSN 3020-01-463-3138 is a Gear,spur, manufactured by Thern Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-463-3138 has 1 manufacturer part number on file: A6877 (Thern Inc).
Key specifications for A6877: Teeth Quantity: 21; Pitch Diameter: 3.5000 INCHES NOMINAL IN; Special Features: PART OF THERN INC. POWER WINCH MODEL 4WS6M12-S22; End Item Identification: NIMITZ CLASS CVN. 4 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.