The Gear,worm, cataloged under National Stock Number 3020-00-903-2773, 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 Elliott Company Div Jeannette. Government technical data includes 19 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-903-2773 |
| Primary Part Number | 8Z0087-1 |
| Item Name | Gear,worm |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Elliott Company Div Jeannette |
| Status | ACTIVE |
| Thread Form Direction | RIGHT-HAND |
| Keyway Nominal Width | 0.188 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 1.000 INCHES BOTH ENDS IN |
| Helix Angle | 17.9691 DEGREES |
| Hub Nominal Diameter | 1.312 INCHES FIRST END IN |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.375 INCHES FIRST END IN |
| Face Type | STRAIGHT |
| Hardness Rating | 48.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | 66AISI/SAE 4615 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.6818 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN FIRST END |
| Thread Form Quantity | 6 |
| Nominal Outside Diameter | 1.845 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.578 INCHES BOTH ENDS IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 4615 OVERALL |
| Face Nominal Width | 1.750 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 |
|---|---|
| 8Z0087-1 PRIMARY | Elliott Company Div Jeannette (USA) |
NSN 3020-00-903-2773 is a Gear,worm, manufactured by Elliott Company Div Jeannette, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-903-2773 has 1 manufacturer part number on file: 8Z0087-1 (Elliott Company Div Jeannette).
Key specifications for 8Z0087-1: Thread Form Direction: RIGHT-HAND; Keyway Nominal Width: 0.188 INCHES BOTH ENDS IN; Bore Nominal Diameter: 1.000 INCHES BOTH ENDS IN; Helix Angle: 17.9691 DEGREES. 19 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.