The Gear,spur, cataloged under National Stock Number 3020-00-320-8507, 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 Teledyne Brown Engineering, Inc. Dba Teledyne Advanced Electronic Solutions Div Teledyne Advanced Electronic Solutions. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-00-320-8507 |
| Primary Part Number | 652-664 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Teledyne Brown Engineering, Inc. Dba Teledyne Advanced Electronic Solutions Div Teledyne Advanced Electronic Solutions |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.250 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.500 INCHES FIRST END IN |
| Teeth Quantity | 107 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.312 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 2.2290 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PINNED FIRST END |
| Nominal Outside Diameter | 2.2700 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | ALUMINUM ALLOY 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 |
|---|---|
| 652-664 | Teledyne Brown Engineering, Inc. Dba Teledyne Advanced Electronic Solutions Div Teledyne Advanced Electronic Solutions (USA) |
| GR1473 | Teledyne Brown Engineering, Inc. Dba Teledyne Advanced Electronic Solutions Div Teledyne Advanced Electronic Solutions (USA) |
| Reference | Meaning |
|---|---|
| GR1473 | 3/9 Design control — primary reference U.S. Government activity |
| GR1473 | 5/9 Secondary reference Profile Gear Corp |
NSN 3020-00-320-8507 is a Gear,spur, manufactured by Teledyne Brown Engineering, Inc. Dba Teledyne Advanced Electronic Solutions Div Teledyne Advanced Electronic Solutions, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-320-8507 has 2 manufacturer part numbers on file: 652-664 (Teledyne Brown Engineering, Inc. Dba Teledyne Advanced Electronic Solutions Div Teledyne Advanced Electronic Solutions), GR1473 (Teledyne Brown Engineering, Inc. Dba Teledyne Advanced Electronic Solutions Div Teledyne Advanced Electronic Solutions).
3 possible matches (shared part number, not a government interchangeability claim): 5962-01-191-3736, 3110-01-310-3224, 5962-01-348-3878. Verify interchangeability with system specifications before substitution.
Key specifications for 652-664: Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.500 INCHES FIRST END IN; Teeth Quantity: 107; Body Style: PLAIN, SOLID. 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.