The Gear Cluster, cataloged under National Stock Number 3020-00-908-5042, 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 L3 Technologies, Inc. Div Ocean Systems. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-908-5042 |
| Primary Part Number | 3151286 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | L3 Technologies, Inc. Div Ocean Systems |
| Status | ACTIVE |
| Hub Nominal Diameter | 0.315 INCHES BOTH ENDS IN |
| Surface Treatment Document and Classification | MIL-C-16232,TY MCL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Design Type | SPUR ALL GEARS |
| Nominal Overall Length | 1.124 INCHES IN |
| Hub Style Designator | 1 STEP BOTH ENDS |
| Hub Nominal Length | 0.820 INCHES BOTH ENDS IN |
| Nominal Outside Diameter | 1.124 INCHES SECOND GEAR IN |
| Nominal Outside Diameter | 2.936 INCHES FIRST GEAR IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Material | STEEL OVERALL |
| Construction | SOLID |
| 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 |
|---|---|
| 3151286 PRIMARY | L3 Technologies, Inc. Div Ocean Systems (USA) |
| Reference | Meaning |
|---|---|
| 3151286 | 5/9 Secondary reference Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div |
NSN 3020-00-908-5042 is a Gear Cluster, manufactured by L3 Technologies, Inc. Div Ocean Systems, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-908-5042 has 1 manufacturer part number on file: 3151286 (L3 Technologies, Inc. Div Ocean Systems).
Key specifications for 3151286: Hub Nominal Diameter: 0.315 INCHES BOTH ENDS IN; Surface Treatment Document and Classification: MIL-C-16232,TY MCL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Design Type: SPUR ALL GEARS; Nominal Overall Length: 1.124 INCHES IN. 11 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.