The Gear,worm Wheel, cataloged under National Stock Number 3020-00-600-7918, 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 Altra Industrial Motion Corp.. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-600-7918 |
| Primary Part Number | DB1431 |
| Item Name | Gear,worm Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Altra Industrial Motion Corp. |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.250 INCHES BOTH ENDS IN |
| Helix Angle | 9.4665 DEGREES |
| Hub Nominal Diameter | 2.750 INCHES BOTH ENDS IN |
| Teeth Quantity | 30 |
| Body Style | WEBBED, SOLID |
| Tooth Direction | RIGHT |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 1.000 INCHES FIRST END IN |
| Throat Nominal Radius | 0.834 INCHES IN |
| Face Type | CONCAVE |
| Style Designator | ONE PROTRUDING HUB, ONE FLUSH HUB |
| Pitch Diameter | 5.0000 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 5.470 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | COPPER ALLOY OVERALL |
| Mating Thread Lead Quantity | 2 |
| Face Nominal Width | 1.000 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 |
|---|---|
| DB1431 PRIMARY | Altra Industrial Motion Corp. (USA) |
| J30040 PRIMARY | Sheldahl Flexible Technologies, Inc. Div Sheldahl Flexible Technologies (USA) |
| J-10111 PRIMARY | Sheldahl Flexible Technologies, Inc. Div Sheldahl Flexible Technologies (USA) |
| Reference | Meaning |
|---|---|
| J50025PC48 | 5/9 Secondary reference Sheldahl Flexible Technologies, Inc. Div Sheldahl Flexible Technologies |
NSN 3020-00-600-7918 is a Gear,worm Wheel, manufactured by Altra Industrial Motion Corp., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-600-7918 has 3 manufacturer part numbers on file: DB1431 (Altra Industrial Motion Corp.), J30040 (Sheldahl Flexible Technologies, Inc. Div Sheldahl Flexible Technologies), J-10111 (Sheldahl Flexible Technologies, Inc. Div Sheldahl Flexible Technologies).
Key specifications for DB1431: Bore Nominal Diameter: 1.250 INCHES BOTH ENDS IN; Helix Angle: 9.4665 DEGREES; Hub Nominal Diameter: 2.750 INCHES BOTH ENDS IN; Teeth Quantity: 30. 18 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.