The Gear,spur, cataloged under National Stock Number 3020-01-324-9386, 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 Southern Gear & Machine Inc. Government technical data includes 14 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-324-9386 |
| Primary Part Number | CT154-30 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Southern Gear & Machine Inc |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.250 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.312 INCHES FIRST END IN |
| Teeth Quantity | 30 |
| Clamping Surface Nominal Length | 0.243 INCHES FIRST END IN |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.250 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 0.6250 INCHES NOMINAL IN |
| Hub Style Designator | SPLIT FIRST END |
| Nominal Outside Diameter | 0.666 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 303 OVERALL |
| Face Nominal Width | 0.145 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 |
|---|---|
| CT154-30 PRIMARY | Southern Gear & Machine Inc (USA) |
NSN 3020-01-324-9386 is a Gear,spur, manufactured by Southern Gear & Machine Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-324-9386 has 1 manufacturer part number on file: CT154-30 (Southern Gear & Machine Inc).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-325-0723. Verify interchangeability with system specifications before substitution.
Key specifications for CT154-30: Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.312 INCHES FIRST END IN; Teeth Quantity: 30; Clamping Surface Nominal Length: 0.243 INCHES FIRST END IN. 14 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.