The Gear,spur, cataloged under National Stock Number 3020-00-204-9505, 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 Secs Inc. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-00-204-9505 |
| Primary Part Number | 01-440-3 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Secs Inc |
| Status | ACTIVE |
| Hub Nominal Diameter | 0.187 INCHES FIRST END IN |
| Hub Nominal Diameter | 0.187 INCHES SECOND END IN |
| Teeth Quantity | 21 |
| Body Style | PLAIN, SOLID |
| Nominal Distance Between Body Face and Protruding Hub End | 1.812 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.562 INCHES SECOND END IN |
| Nominal Overall Length | 2.500 INCHES IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 0.2187 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 0.240 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 303 OVERALL |
| Face Nominal Width | 0.125 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 |
|---|---|
| 01-440-3 PRIMARY | Secs Inc (USA) |
| Reference | Meaning |
|---|---|
| 63356-003 | 7/1 Vendor item drawing reference Curtiss-Wright Controls, Inc. Div Actuation Division |
NSN 3020-00-204-9505 is a Gear,spur, manufactured by Secs Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-204-9505 has 1 manufacturer part number on file: 01-440-3 (Secs Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-082-4632, 6515-01-379-5920. Verify interchangeability with system specifications before substitution.
Key specifications for 01-440-3: Hub Nominal Diameter: 0.187 INCHES FIRST END IN; Hub Nominal Diameter: 0.187 INCHES SECOND END IN; Teeth Quantity: 21; Body Style: PLAIN, SOLID. 17 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.