The Gear,spur, cataloged under National Stock Number 3020-01-642-6746, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-642-6746 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| 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 |
| Reference | Meaning |
|---|---|
| 803615T 2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-642-6746 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3040-01-642-6760. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-01-642-6746: Part Name Assigned by Controlling Agency: FORWARD GEAR SET; End Item Identification: MERCURY MARINE V6 SIERRA MOTORS: V-135(1986-2000); V-135 DFI 2.5L(1998 AND UP); V-150(1978 AND UP); V-150 EFI(1996-2001);V-150 DFI 2.5L(1998 AND UP); V-150 EFI 2.5L(2002 AND UP); V-175 EFI(1996-2001); V-175 DFI 2.5L(2002-2003); V-200(1978 AND UP); V-200 EFI(1989-2001); V-200 EFI 2.5L(2002 AND UP).. 0 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.