The Gear,spur, cataloged under National Stock Number 3020-01-408-9982, 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 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-408-9982 |
| Primary Part Number | 779236-1 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.383 INCHES BOTH ENDS IN |
| Teeth Quantity | 33 |
| Surface Treatment Document and Classification | HS248 CL40 TY-A7 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Material Document and Classification | HS7650 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.3750 INCHES NOMINAL IN |
| Nominal Outside Diameter | 1.437 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.222 INCHES BOTH ENDS IN |
| Surface Treatment | LUBRICANT DRY FILM OVERALL |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.160 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 |
NSN 3020-01-408-9982 is a Gear,spur, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-408-9982 has 2 manufacturer part numbers on file: 779236-1 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 779236-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 779236-1: Bore Nominal Diameter: 0.383 INCHES BOTH ENDS IN; Teeth Quantity: 33; Surface Treatment Document and Classification: HS248 CL40 TY-A7 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Bore Style: W/ KEYWAY BOTH ENDS. 12 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 3020-01-408-9982 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.