The Gear,spur, cataloged under National Stock Number 3020-00-975-1014, 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 Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-975-1014 |
| Primary Part Number | 528357 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.495 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.650 INCHES FIRST END IN |
| Teeth Quantity | 38 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Hardness Rating | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | FLUSH HUB |
| Material Document and Classification | MIL-S-5000,COND C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.4870 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 1.643 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP E4340 OVERALL |
| Face Nominal Width | 0.322 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 |
|---|---|
| 528357 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| Reference | Meaning |
|---|---|
| 528357 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
NSN 3020-00-975-1014 is a Gear,spur, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-975-1014 has 1 manufacturer part number on file: 528357 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 528357: Bore Nominal Diameter: 0.495 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.650 INCHES FIRST END IN; Teeth Quantity: 38; Body Style: PLAIN, SOLID. 15 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.