The Gear,internal, cataloged under National Stock Number 3020-01-164-4755, 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 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 14 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 | 3020-01-164-4755 |
| Primary Part Number | B-5005 |
| Item Name | Gear,internal |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| Status | ACTIVE |
| Teeth Quantity | 26 |
| Body Style | PLAIN, SOLID |
| Flange Nominal Thickness | 2.100 INCHES IN |
| Flange Nominal Diameter | 16.000 INCHES IN |
| Mounting Hole Type and Quantity | 6 PLAIN AXIALLY THROUGH FLANGE |
| Mounting Hole Nominal Diameter | 0.375 INCHES AXIALLY THROUGH FLANGE IN |
| Teeth Type | SINGLE HELIX |
| Nominal Overall Length | 3.000 INCHES IN |
| Style Designator | FLANGED RING |
| Pitch Diameter | 13.1880 INCHES NOMINAL IN |
| Nominal Outside Diameter | 14.594 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | ALUMINUM OVERALL |
| Attachment Method | MOUNTING HOLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| B-5005 PRIMARY | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
NSN 3020-01-164-4755 is a Gear,internal, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-164-4755 has 1 manufacturer part number on file: B-5005 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).
Key specifications for B-5005: Teeth Quantity: 26; Body Style: PLAIN, SOLID; Flange Nominal Thickness: 2.100 INCHES IN; Flange Nominal Diameter: 16.000 INCHES IN. 14 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.
NSN 3020-01-164-4755 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.