PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

102634Gear Cluster

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 3020-00-971-2046 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-971-2046 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-971-2046. Primary manufacturer part number: 102634.
Features
  • Gear Cluster — FSC 3020
  • Hub Nominal Length: 0.510 INCHES SECOND END IN
  • Nominal Outside Diameter: 3.400 INCHES FIRST GEAR IN
  • Design Type: SPUR FIRST GEAR
  • Hub Nominal Diameter: 0.750 INCHES BETWEEN FIRST AND SECOND GEAR IN
  • Hub Nominal Length: 0.204 INCHES BETWEEN FIRST AND SECOND GEAR IN
  • Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL
  • Construction: WELDED
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp E4340 Overall construction
General Description

The Gear Cluster, cataloged under National Stock Number 3020-00-971-2046, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-971-2046
Primary Part Number102634
Item NameGear Cluster
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Hub Nominal Length0.510 INCHES SECOND END IN
Nominal Outside Diameter3.400 INCHES FIRST GEAR IN
Design TypeSPUR FIRST GEAR
Hub Nominal Diameter0.750 INCHES BETWEEN FIRST AND SECOND GEAR IN
Hub Nominal Length0.204 INCHES BETWEEN FIRST AND SECOND GEAR IN
Hardness Rating32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL
ConstructionWELDED
Hub Nominal Length0.478 INCHES FIRST END IN
Hub Nominal Diameter0.591 INCHES BOTH ENDS IN
Nominal Overall Length1.886 INCHES IN
Nominal Outside Diameter0.999 INCHES SECOND GEAR IN
MaterialSTEEL COMP E4340 OVERALL
Material Document and ClassificationMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Design TypeSPUR SECOND GEAR
Hub Style Designator1 STEP BOTH ENDS
Hub Style DesignatorPLAIN BETWEEN FIRST AND SECOND GEAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5310-00-010-26340111 INTERCHANGEABLE
Nut,plain,hexagon
Harley Davidson Motor Co Inc
6610-00-128-7583102634 INTERCHANGEABLE
Plate,mounting,noto
Astronautics Corporation of America
4720-00-516-356910-2634 INTERCHANGEABLE
Hose,air Duct
The Boeing Company Div Defense
3030-00-529-578250080-104 INTERCHANGEABLE
Belt,flat
Butler Bros Co
5950-00-909-8817 INTERCHANGEABLE
Transformer,radio Frequency
3030-01-116-7617 INTERCHANGEABLE
Belt,flat
3030-01-133-7734 INTERCHANGEABLE
Belt,flat
3030-01-165-1477102634-04 INTERCHANGEABLE
Belt,flat
Ddc Pertec Peripherals Corp
5999-01-520-7159102634 INTERCHANGEABLE
Housing,electronic Components
Dh Instruments Inc.
Cross-Reference Index
Part NumberManufacturer
102634 American Precision Gear Company Dba American Precision Gear Co Div Same (USA)
102634 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
5310-00-010-2634INTERCHANGEABLE
NUT,PLAIN,HEXAGON
0111
6610-00-128-7583INTERCHANGEABLE
PLATE,MOUNTING,NOTO
102634
4720-00-516-3569INTERCHANGEABLE
HOSE,AIR DUCT
10-2634
3030-00-529-5782INTERCHANGEABLE
BELT,FLAT
50080-104
5950-00-909-8817INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
3030-01-116-7617INTERCHANGEABLE
BELT,FLAT
3030-01-133-7734INTERCHANGEABLE
BELT,FLAT
3030-01-165-1477INTERCHANGEABLE
BELT,FLAT
102634-04
5999-01-520-7159INTERCHANGEABLE
HOUSING,ELECTRONIC COMPONENTS
102634

Frequently Asked Questions

What is NSN 3020-00-971-2046?

NSN 3020-00-971-2046 is a Gear Cluster, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-971-2046?

NSN 3020-00-971-2046 has 2 cross-referenced part numbers: 102634 (American Precision Gear Company Dba American Precision Gear Co Div Same), 102634 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 3020-00-971-2046?

There are 9 known substitutes for 3020-00-971-2046: 5310-00-010-2634, 6610-00-128-7583, 4720-00-516-3569 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 102634?

Key specifications for 102634: Hub Nominal Length: 0.510 INCHES SECOND END IN; Nominal Outside Diameter: 3.400 INCHES FIRST GEAR IN; Design Type: SPUR FIRST GEAR; Hub Nominal Diameter: 0.750 INCHES BETWEEN FIRST AND SECOND 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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