The Gear,spur, cataloged under National Stock Number 3020-01-214-9397, 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 Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 17 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 | 3020-01-214-9397 |
| Primary Part Number | 23018102 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.338 INCHES BOTH ENDS IN |
| Teeth Quantity | 21 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 1.350 INCHES SECOND END IN |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Bore Style | W/COUNTERBORE SECOND END |
| Style Designator | HUBLESS |
| Material Document and Classification | 66AISI/SAE8620 FED STD 1ST MATERIAL RESPONSE OR 66AISI/SAE8620 FED STD 2ND MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.0000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Spline Quantity | 20 BOTH ENDS |
| Nominal Outside Diameter | 2.161 INCHES IN |
| Pressure Angle | 22.5000 DEGREES |
| Material | STEEL COMP 8620 OR STEEL COMP 8620H OVERALL |
| Counterbore Nominal Depth | 2.100 INCHES SECOND END IN |
| Spline Pitch Diameter | 1.2500 INCHES NOMINAL BOTH ENDS IN |
| Face Nominal Width | 1.700 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 |
|---|---|
| 23018102 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
NSN 3020-01-214-9397 is a Gear,spur, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-214-9397 has 1 manufacturer part number on file: 23018102 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 23018102: Bore Nominal Diameter: 1.338 INCHES BOTH ENDS IN; Teeth Quantity: 21; Body Style: PLAIN, SOLID; Counterbore Nominal Diameter: 1.350 INCHES SECOND END IN. 17 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.