The Gear,spur, cataloged under National Stock Number 3020-00-768-2086, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 21 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-768-2086 |
| Primary Part Number | 358171 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.745 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 2.000 INCHES BETWEEN BODY AND FLANGE IN |
| Teeth Quantity | 36 |
| Body Style | PLAIN, SOLID |
| Flange Nominal Thickness | 1.260 INCHES IN |
| Flange Nominal Diameter | 4.860 INCHES IN |
| Bore Style | PLAIN BOTH ENDS |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM HUB |
| Hardness Rating | 79.0 ROCKWELL C MINIMUM AND 85.0 ROCKWELL C MAXIMUM TEETH |
| Style Designator | FLANGED END |
| Material Document and Classification | AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.2500 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Distance Between Outer Body Face and Inner Flange Face | 0.940 INCHES IN |
| Hub Style Designator | PLAIN FIRST END |
| Spline Quantity | 72 FIRST END |
| Nominal Outside Diameter | 2.378 INCHES IN |
| Pressure Angle | 22.5000 DEGREES |
| Material | STEEL COMP E9310 OVERALL |
| Spline Pitch Diameter | 4.5000 INCHES NOMINAL FIRST END IN |
| Face Nominal Width | 0.500 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 358171 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 3020-00-768-2086 is a Gear,spur, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-768-2086 has 1 manufacturer part number on file: 358171 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 358171: Bore Nominal Diameter: 1.745 INCHES BOTH ENDS IN; Hub Nominal Diameter: 2.000 INCHES BETWEEN BODY AND FLANGE IN; Teeth Quantity: 36; Body Style: PLAIN, SOLID. 21 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 3020-00-768-2086 has DEMIL Code Q. 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.