The Gear,internal, cataloged under National Stock Number 3020-00-015-6674, 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 The W.w. Williams Company, Llc. Government technical data includes 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-015-6674 |
| Primary Part Number | 6774424 |
| Item Name | Gear,internal |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | The W.w. Williams Company, Llc |
| Status | ACTIVE |
| Bore Nominal Diameter | 5.705 INCHES BOTH ENDS IN |
| Teeth Quantity | 59 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | LEFT |
| Bore Style | PLAIN BOTH ENDS |
| Teeth Type | SPUR |
| Nominal Overall Length | 2.660 INCHES IN |
| Style Designator | RECESSED RING |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 5.9000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 6.9000 INCHES IN |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL COMP 4140 OVERALL |
| Body Recess Nominal Diameter | 5.920 INCHES BOTH ENDS IN |
| Body Recess Nominal Depth | 2.131 INCHES BOTH ENDS IN |
| Face Nominal Width | 1.875 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 |
|---|---|
| 6774424 PRIMARY | The W.w. Williams Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 3020000156674 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 6774424 | 5/9 Secondary reference General Motors Corp |
| 6774424 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 3020-00-015-6674 is a Gear,internal, manufactured by The W.w. Williams Company, Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-015-6674 has 1 manufacturer part number on file: 6774424 (The W.w. Williams Company, Llc).
Key specifications for 6774424: Bore Nominal Diameter: 5.705 INCHES BOTH ENDS IN; Teeth Quantity: 59; Body Style: PLAIN, SOLID; Tooth Direction: LEFT. 17 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.