The Gear,worm, cataloged under National Stock Number 3020-00-702-9350, 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16 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-702-9350 |
| Item Name | Gear,worm |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Thread Form Direction | RIGHT-HAND |
| Keyway Nominal Width | 0.250 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 2.624 INCHES BOTH ENDS IN |
| Helix Angle | 11.3219 DEGREES |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Face Type | STRAIGHT |
| Hardness Rating | 58.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | HUBLESS |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 4.2243 INCHES NOMINAL IN |
| Thread Form Quantity | 6 |
| Nominal Outside Diameter | 4.505 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 1.438 INCHES BOTH ENDS IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL COMP 8620H OVERALL |
| Face Nominal Width | 3.000 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 |
| Reference | Meaning |
|---|---|
| 101C479AXPC1 | 5/9 Secondary reference General Electric Co Naval and Drive Turbine Systems Dept |
| 101C479AX1 | 3/9 Design control — primary reference General Electric Co Naval and Drive Turbine Systems Dept |
| 101C479AXPC1 | 5/9 Secondary reference General Electric Company |
| 101C479AX1 | 5/9 Secondary reference General Electric Company |
NSN 3020-00-702-9350 is a Gear,worm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-702-9350: Thread Form Direction: RIGHT-HAND; Keyway Nominal Width: 0.250 INCHES BOTH ENDS IN; Bore Nominal Diameter: 2.624 INCHES BOTH ENDS IN; Helix Angle: 11.3219 DEGREES. 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.