The Gear,spur, cataloged under National Stock Number 3020-00-528-4044, 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 R. R. Templeton Corp. Dba Ducarra Aviation. Government technical data includes 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-528-4044 |
| Primary Part Number | 532992 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | R. R. Templeton Corp. Dba Ducarra Aviation |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.723 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.996 INCHES FIRST END IN |
| Teeth Quantity | 27 |
| Body Style | WEBBED, OFFSET, SOLID |
| Counterbore Nominal Diameter | 0.810 INCHES SECOND END IN |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 1.440 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 12 |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Overall Length | 2.000 INCHES IN |
| Style Designator | PROTRUDING HUB, RECESSED BODY |
| Material Document and Classification | MIL-S-16974 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.7000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Spline Quantity | 14 BOTH ENDS |
| Nominal Outside Diameter | 2.865 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 8640 OVERALL |
| Counterbore Nominal Depth | 0.530 INCHES SECOND END IN |
| Spline Pitch Diameter | 0.7000 INCHES NOMINAL BOTH ENDS IN |
| Body Recess Nominal Depth | 0.410 INCHES SECOND END IN |
| Face Nominal Width | 0.560 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 |
|---|---|
| 532992 PRIMARY | R. R. Templeton Corp. Dba Ducarra Aviation (USA) |
| Reference | Meaning |
|---|---|
| 532992 | 5/9 Secondary reference Teledyne Industries Inc Teledyne Power Systems Div |
NSN 3020-00-528-4044 is a Gear,spur, manufactured by R. R. Templeton Corp. Dba Ducarra Aviation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-528-4044 has 1 manufacturer part number on file: 532992 (R. R. Templeton Corp. Dba Ducarra Aviation).
Key specifications for 532992: Bore Nominal Diameter: 0.723 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.996 INCHES FIRST END IN; Teeth Quantity: 27; Body Style: WEBBED, OFFSET, SOLID. 23 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.