The Gear,spur, cataloged under National Stock Number 3020-00-070-1949, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 24 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 | 3020-00-070-1949 |
| Primary Part Number | 502AS2396 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.967 INCHES BOTH ENDS IN |
| Teeth Quantity | 32 |
| Body Style | WEBBED, OFFSET, SOLID |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.690 INCHES FIRST END IN |
| First Step Nominal Length | 0.300 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 12 |
| Style Designator | PROTRUDING HUB, RECESSED BODY |
| Material Document and Classification | AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 3.2000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 2.950 INCHES FIRST END IN |
| Features Provided | CASEHARDENED |
| Hub Style Designator | 1 STEP FIRST END |
| Spline Quantity | 30 BOTH ENDS |
| End Nominal Length | 0.180 INCHES FIRST END IN |
| Nominal Outside Diameter | 3.398 INCHES IN |
| Surface Treatment | OXIDE OVERALL |
| End Nominal Diameter | 2.380 INCHES FIRST END IN |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL COMP E9310 OVERALL |
| Spline Pitch Diameter | 1.8750 INCHES NOMINAL BOTH ENDS IN |
| Body Recess Nominal Depth | 0.780 INCHES FIRST END IN |
| Face Nominal Width | 0.640 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 |
|---|---|
| 502AS2396 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 3020-00-070-1949 is a Gear,spur, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-070-1949 has 1 manufacturer part number on file: 502AS2396 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 502AS2396: Bore Nominal Diameter: 1.967 INCHES BOTH ENDS IN; Teeth Quantity: 32; Body Style: WEBBED, OFFSET, SOLID; Bore Style: INVOLUTE SPLINE BOTH ENDS. 24 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.