The Gear Cluster, cataloged under National Stock Number 3020-01-176-8615, 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 Cef Industries, Llc Dba Cef Industries Inc. Government technical data includes 14 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. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-176-8615 |
| Primary Part Number | 8526-7 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Cef Industries, Llc Dba Cef Industries Inc |
| Status | ACTIVE |
| Design Type | SPUR SECOND GEAR |
| Design Type | SPUR FIRST GEAR |
| Hardness Rating | 48.0 ROCKWELL C NOMINAL OVERALL |
| Nominal Overall Length | 1.130 INCHES IN |
| Hub Style Designator | 1 STEP FIRST END |
| Hub Nominal Length | 0.080 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Hub Nominal Length | 0.1280 INCHES BETWEEN SECOND AND THIRD GEAR IN |
| Hub Nominal Length | 0.1430 INCHES SECOND END IN |
| Hub Nominal Length | 0.5020 INCHES FIRST END IN |
| Nominal Outside Diameter | 0.2833 INCHES FIRST GEAR IN |
| Nominal Outside Diameter | 0.7188 INCHES SECOND GEAR IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 8526-7 PRIMARY | Cef Industries, Llc Dba Cef Industries Inc (USA) |
NSN 3020-01-176-8615 is a Gear Cluster, manufactured by Cef Industries, Llc Dba Cef Industries Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-176-8615 has 1 manufacturer part number on file: 8526-7 (Cef Industries, Llc Dba Cef Industries Inc).
3 possible matches (shared part number, not a government interchangeability claim): 4310-01-316-6493, 2915-01-318-0210, 8470-01-581-9977. Verify interchangeability with system specifications before substitution.
Key specifications for 8526-7: Design Type: SPUR SECOND GEAR; Design Type: SPUR FIRST GEAR; Hardness Rating: 48.0 ROCKWELL C NOMINAL OVERALL; Nominal Overall Length: 1.130 INCHES IN. 14 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 3020-01-176-8615 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.