The Gear,worm, cataloged under National Stock Number 3020-01-342-8754, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-342-8754 |
| Item Name | Gear,worm |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Thread Form Direction | RIGHT-HAND |
| Bore Nominal Diameter | 2.500 INCHES BOTH ENDS IN |
| Helix Angle | 10.2999 DEGREES |
| Hub Nominal Diameter | 4.500 INCHES BOTH ENDS IN |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 1.000 INCHES BOTH ENDS IN |
| Face Type | CONCAVE |
| Mating Pitch Diameter | 1.8920 INCHES NOMINAL IN |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 10.4400 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Thread Form Quantity | 2 |
| Nominal Outside Diameter | 11.520 INCHES IN |
| Pressure Angle | 22.5000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 1.500 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 |
| Reference | Meaning |
|---|---|
| WF-5635 PIECE 59 | 5/9 Secondary reference Imo Industries Inc Delroyd Worm Gear Div |
| WB-6005 | 5/9 Secondary reference Imo Industries Inc Delroyd Worm Gear Div |
| DG0841G | D/9 Drawing number reference only Imo Industries Inc Delroyd Worm Gear Div |
| DG0259G | 3/9 Design control — primary reference Imo Industries Inc Delroyd Worm Gear Div |
| WB-17332 | 5/9 Secondary reference Imo Industries Inc Delroyd Worm Gear Div |
NSN 3020-01-342-8754 is a Gear,worm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-342-8754: Thread Form Direction: RIGHT-HAND; Bore Nominal Diameter: 2.500 INCHES BOTH ENDS IN; Helix Angle: 10.2999 DEGREES; Hub Nominal Diameter: 4.500 INCHES BOTH ENDS IN. 16 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.