The Gear,worm Wheel, cataloged under National Stock Number 3020-01-300-0791, 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 Timken Gears & Services Inc. Div Philadelphia Gear. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-300-0791 |
| Primary Part Number | 50-135-0100-3 |
| Item Name | Gear,worm Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Timken Gears & Services Inc. Div Philadelphia Gear |
| Status | ACTIVE |
| Keyway Nominal Width | 0.875 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 3.373 INCHES BOTH ENDS IN |
| Teeth Quantity | 39 |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Face Type | CONCAVE |
| Style Designator | PROTRUDING HUBS |
| Nominal Outside Diameter | 13.062 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 2.125 INCHES BOTH ENDS IN |
| Material | COPPER ALLOY BODY |
| Material | STEEL COMP 1020 HUB |
| 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 |
|---|---|
| 50-135-0100-3 PRIMARY | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| Reference | Meaning |
|---|---|
| 09-171-00005-4 ITEM 3-7 | 5/9 Secondary reference Timken Gears & Services Inc. Div Philadelphia Gear |
| 09-171-00005-4 | D/9 Drawing number reference only Timken Gears & Services Inc. Div Philadelphia Gear |
NSN 3020-01-300-0791 is a Gear,worm Wheel, manufactured by Timken Gears & Services Inc. Div Philadelphia Gear, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-300-0791 has 1 manufacturer part number on file: 50-135-0100-3 (Timken Gears & Services Inc. Div Philadelphia Gear).
Key specifications for 50-135-0100-3: Keyway Nominal Width: 0.875 INCHES BOTH ENDS IN; Bore Nominal Diameter: 3.373 INCHES BOTH ENDS IN; Teeth Quantity: 39; Bore Style: W/ KEYWAY BOTH ENDS. 10 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.