The Gear,driven, cataloged under National Stock Number 3020-00-153-7156, 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 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-153-7156 |
| Primary Part Number | 206798 |
| Item Name | Gear,driven |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL;1.600 IN.O/A LG;6.250 IN.LARGEST OD;INTERNAL GEAR-20 TEETH,8/10 DIAMETRAL PITCH,20 DEG PRESSURE ANGLE 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 |
|---|---|
| 206798 PRIMARY | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| Reference | Meaning |
|---|---|
| 223035H2 | 5/9 Secondary reference Komatsu American Intl Co |
NSN 3020-00-153-7156 is a Gear,driven, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-153-7156 has 1 manufacturer part number on file: 206798 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).
2 possible matches (shared part number, not a government interchangeability claim): 3020-01-261-5398, 5331-01-690-1791. Verify interchangeability with system specifications before substitution.
Key specifications for 206798: General Characteristics Item Description: STEEL;1.600 IN.O/A LG;6.250 IN.LARGEST OD;INTERNAL GEAR-20 TEETH,8/10 DIAMETRAL PITCH,20 DEG PRESSURE ANGLE IN. 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.