The Gear Cluster, cataloged under National Stock Number 3020-00-237-1051, 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 Simmonds Precision Products Inc. Government technical data includes 16 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 | 3020-00-237-1051 |
| Primary Part Number | A40244 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Simmonds Precision Products Inc |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.250 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.1248 INCHES BETWEEN SECOND AND THIRD GEAR IN |
| Design Type | SPUR SECOND GEAR |
| Design Type | SPUR FIRST GEAR |
| Bore Style | W/COUNTERBORE BOTH ENDS |
| Precision Classification | QUALITY NUMBER 10 FIRST GEAR |
| Nominal Overall Length | 0.555 INCHES IN |
| Material Document and Classification | QQ-S-764,TYPE 416,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Hub Style Designator | PLAIN SECOND END |
| Hub Nominal Length | 0.145 INCHES FIRST END IN |
| Hub Nominal Length | 0.130 INCHES SECOND END IN |
| Hub Nominal Length | 0.050 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 416 OVERALL |
| Counterbore Nominal Depth | 0.035 INCHES BOTH ENDS IN |
| Construction | SOLID |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A40244 PRIMARY | Simmonds Precision Products Inc (USA) |
NSN 3020-00-237-1051 is a Gear Cluster, manufactured by Simmonds Precision Products Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-237-1051 has 1 manufacturer part number on file: A40244 (Simmonds Precision Products Inc).
Key specifications for A40244: Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.1248 INCHES BETWEEN SECOND AND THIRD GEAR IN; Design Type: SPUR SECOND GEAR; Design Type: SPUR FIRST GEAR. 16 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 3020-00-237-1051 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.