The Gear,internal, cataloged under National Stock Number 3020-01-067-5129, 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 Level 10 Industries, Inc. Div Level 10 Industries. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-067-5129 |
| Primary Part Number | 11745 |
| Item Name | Gear,internal |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Level 10 Industries, Inc. Div Level 10 Industries |
| Status | ACTIVE |
| Teeth Quantity | 94 |
| Body Style | PLAIN, SOLID |
| Mounting Hole Type and Quantity | 5 PLAIN AXIALLY THROUGH BODY FIRST END |
| Mounting Hole Nominal Diameter | 0.344 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Teeth Type | SPUR |
| Nominal Overall Length | 0.750 INCHES IN |
| Style Designator | PLAIN RING |
| Pitch Diameter | 4.7000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 5.875 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Bolt Hole Circle Nominal Diameter | 5.375 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Attachment Method | MOUNTING HOLE |
| 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 |
|---|---|
| 11745 PRIMARY | Level 10 Industries, Inc. Div Level 10 Industries (USA) |
| Reference | Meaning |
|---|---|
| 11745 | 5/9 Secondary reference Cooper Industries Inc Dba Cooper Tools |
NSN 3020-01-067-5129 is a Gear,internal, manufactured by Level 10 Industries, Inc. Div Level 10 Industries, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-067-5129 has 1 manufacturer part number on file: 11745 (Level 10 Industries, Inc. Div Level 10 Industries).
3 possible matches (shared part number, not a government interchangeability claim): 5950-01-231-2744, 5330-01-388-8819, 5330-01-620-6640. Verify interchangeability with system specifications before substitution.
Key specifications for 11745: Teeth Quantity: 94; Body Style: PLAIN, SOLID; Mounting Hole Type and Quantity: 5 PLAIN AXIALLY THROUGH BODY FIRST END; Mounting Hole Nominal Diameter: 0.344 INCHES AXIALLY THROUGH BODY 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.