PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8526-34Gear Cluster

Cef Industries, Llc Dba Cef Industries Inc · NSN 3020-01-176-8616 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-176-8616 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-176-8616. Primary manufacturer part number: 8526-34.
Features
  • Gear Cluster — FSC 3020
  • Hardness Rating: 37.0 ROCKWELL C NOMINAL OVERALL
  • Material: STEEL COMP 416SE OVERALL
  • Hub Nominal Diameter: 0.1247 INCHES BETWEEN SECOND AND THIRD GEAR IN
  • Material Document and Classification: AMS 5610 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Nominal Outside Diameter: 0.625 INCHES FIRST GEAR IN
  • Surface Treatment: PASSIVATE OVERALL
  • Construction: ASSEMBLED
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 416SE Overall construction
General Description

The Gear Cluster, cataloged under National Stock Number 3020-01-176-8616, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Cef Industries, Llc Dba Cef Industries Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-176-8616
Primary Part Number8526-34
Item NameGear Cluster
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerCef Industries, Llc Dba Cef Industries Inc
StatusACTIVE
Hardness Rating37.0 ROCKWELL C NOMINAL OVERALL
MaterialSTEEL COMP 416SE OVERALL
Hub Nominal Diameter0.1247 INCHES BETWEEN SECOND AND THIRD GEAR IN
Material Document and ClassificationAMS 5610 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Outside Diameter0.625 INCHES FIRST GEAR IN
Surface TreatmentPASSIVATE OVERALL
ConstructionASSEMBLED
Hub Nominal Length0.387 INCHES BETWEEN FIRST AND SECOND GEAR IN
Nominal Overall Length1.130 INCHES IN
Hub Style Designator1 STEP FIRST END
Nominal Outside Diameter0.2419 INCHES SECOND GEAR IN
Design TypeSPUR FIRST GEAR
Hub Nominal Length0.160 INCHES FIRST END IN
Hub Nominal Length0.1280 INCHES SECOND END IN
Design TypeSPUR SECOND GEAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5985-00-491-4338852634 INTERCHANGEABLE
Switch,radio Frequency Transmiss
Cae Usa Inc.
Cross-Reference Index
Part NumberManufacturer
8526-34 PRIMARY Cef Industries, Llc Dba Cef Industries Inc (USA)
Related Parts
5985-00-491-4338INTERCHANGEABLE
SWITCH,RADIO FREQUENCY TRANSMISS
852634

Frequently Asked Questions

What is NSN 3020-01-176-8616?

NSN 3020-01-176-8616 is a Gear Cluster, manufactured by Cef Industries, Llc Dba Cef Industries Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-176-8616?

NSN 3020-01-176-8616 has 1 cross-referenced part number: 8526-34 (Cef Industries, Llc Dba Cef Industries Inc).

What NSN replaces 3020-01-176-8616?

There is 1 known substitute for 3020-01-176-8616: 5985-00-491-4338. Verify interchangeability with system specifications before substitution.

What are the specifications of 8526-34?

Key specifications for 8526-34: End Item Identification: C-130H ACFT; Hardness Rating: 37.0 ROCKWELL C NOMINAL OVERALL; Material: STEEL COMP 416SE OVERALL; Hub Nominal Diameter: 0.1247 INCHES BETWEEN SECOND AND THIRD GEAR IN. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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