The Gear,worm, cataloged under National Stock Number 3020-00-741-2745, 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 Garwood/feller Inc Garwood Winch Div. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-00-741-2745 |
| Primary Part Number | 30R0810 |
| Item Name | Gear,worm |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Garwood/feller Inc Garwood Winch Div |
| Status | ACTIVE |
| Thread Form Direction | RIGHT-HAND |
| Helix Angle | 4.9500 DEGREES |
| Second Step Nominal Diameter | 1.772 INCHES BOTH ENDS IN |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 3.188 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 3.240 INCHES FIRST END IN |
| First Step Nominal Length | 0.938 INCHES SECOND END IN |
| First Step Nominal Length | 1.365 INCHES FIRST END IN |
| Face Type | CONCAVE |
| Second Step Nominal Length | 1.000 INCHES BOTH ENDS IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 3.2160 INCHES NOMINAL IN |
| First Step Nominal Diameter | 1.767 INCHES BOTH ENDS IN |
| Hub Style Designator | 2 STEPS BOTH ENDS |
| Thread Form Quantity | 1 |
| End Nominal Length | 1.250 INCHES SECOND END IN |
| End Nominal Length | 0.875 INCHES FIRST END IN |
| Nominal Outside Diameter | 3.782 INCHES IN |
| End Nominal Diameter | 1.250 INCHES SECOND END IN |
| End Nominal Diameter | 1.000 INCHES FIRST END IN |
| Pressure Angle | 27.5000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 6.073 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 |
|---|---|
| 30R0810 PRIMARY | Garwood/feller Inc Garwood Winch Div (USA) |
| 7412745 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 02286136 | 5/9 Secondary reference Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 |
| 2286136 | 5/9 Secondary reference Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 |
| 02286136 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
NSN 3020-00-741-2745 is a Gear,worm, manufactured by Garwood/feller Inc Garwood Winch Div, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-741-2745 has 2 manufacturer part numbers on file: 30R0810 (Garwood/feller Inc Garwood Winch Div), 7412745 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 30R0810: Thread Form Direction: RIGHT-HAND; Helix Angle: 4.9500 DEGREES; Second Step Nominal Diameter: 1.772 INCHES BOTH ENDS IN; Bore Style: W/ KEYWAY BOTH ENDS. 24 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.