The Gear Sector,spur, cataloged under National Stock Number 3020-01-101-2998, 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 Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-101-2998 |
| Primary Part Number | 763642-1 |
| Item Name | Gear Sector,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.188 INCHES BOTH ENDS IN |
| Teeth Quantity | 5 |
| Nominal Outside Radius | 1.0208 INCHES IN |
| Nominal Overall Length | 0.688 INCHES IN |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 51410 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Tooth Form | STANDARD |
| Arc Nominal Length | 0.7854 INCHES IN |
| Pitch Radius | 1.0000 INCHES NOMINAL IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 410 OVERALL |
| Face Nominal Width | 0.062 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 763642-1 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 763642 | D/9 Drawing number reference only Hamilton Sundstrand Corporation Dba Collins Aerospace |
NSN 3020-01-101-2998 is a Gear Sector,spur, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-101-2998 has 1 manufacturer part number on file: 763642-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
1 possible match (shared part number, not a government interchangeability claim): 5970-01-371-3637. Verify interchangeability with system specifications before substitution.
Key specifications for 763642-1: Bore Nominal Diameter: 0.188 INCHES BOTH ENDS IN; Teeth Quantity: 5; Nominal Outside Radius: 1.0208 INCHES IN; Nominal Overall Length: 0.688 INCHES IN. 11 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.
NSN 3020-01-101-2998 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.