The Gear Cluster, cataloged under National Stock Number 3020-00-972-7035, 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 Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 19 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 | 3020-00-972-7035 |
| Primary Part Number | 1510212-901 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.188 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.233 INCHES FIRST END IN |
| Design Type | SPUR SECOND GEAR |
| Design Type | SPUR FIRST GEAR |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Overall Length | 0.375 INCHES IN |
| Material Document and Classification | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR |
| Material Document and Classification | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE SHAFT/HUB |
| Material Document and Classification | QQ-S-766,CLASS 301,COND A,FULL FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR |
| Hub Style Designator | SPLIT FIRST END |
| Hub Nominal Length | 0.2100 INCHES FIRST END IN |
| Nominal Outside Diameter | 0.374 INCHES SECOND GEAR IN |
| Nominal Outside Diameter | 1.029 INCHES FIRST GEAR IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 303 SHAFT/HUB |
| Material | STEEL COMP 303 SECOND GEAR |
| Material | STEEL COMP 301 FIRST GEAR |
| Construction | ASSEMBLED |
| Attachment Method | CLAMP |
| 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 |
|---|---|
| 1510212-901 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
NSN 3020-00-972-7035 is a Gear Cluster, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-972-7035 has 1 manufacturer part number on file: 1510212-901 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 1510212-901: Bore Nominal Diameter: 0.188 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.233 INCHES FIRST END IN; Design Type: SPUR SECOND GEAR; Design Type: SPUR FIRST GEAR. 19 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.