PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

102641Gear Cluster

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 3020-00-971-2048 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-971-2048 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-971-2048. Primary manufacturer part number: 102641.
Features
  • Gear Cluster — FSC 3020
  • Hub Nominal Length: 0.510 INCHES FIRST END IN
  • Hub Style Designator: PLAIN BETWEEN FIRST AND SECOND GEAR
  • Nominal Outside Diameter: 1.186 INCHES SECOND GEAR IN
  • Design Type: SPUR SECOND GEAR
  • Hub Nominal Length: 0.422 INCHES SECOND END IN
  • Hub Style Designator: 1 STEP BOTH ENDS
  • Nominal Outside Diameter: 5.399 INCHES FIRST GEAR IN
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 3020-00-971-2048, 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 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-971-2048
Primary Part Number102641
Item NameGear Cluster
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Hub Nominal Length0.510 INCHES FIRST END IN
Hub Style DesignatorPLAIN BETWEEN FIRST AND SECOND GEAR
Nominal Outside Diameter1.186 INCHES SECOND GEAR IN
Design TypeSPUR SECOND GEAR
Hub Nominal Length0.422 INCHES SECOND END IN
Hub Style Designator1 STEP BOTH ENDS
Nominal Outside Diameter5.399 INCHES FIRST GEAR IN
Hub Nominal Diameter0.812 INCHES BETWEEN FIRST AND SECOND GEAR IN
Design TypeSPUR FIRST GEAR
MaterialSTEEL COMP E4340 OVERALL
Material Document and ClassificationMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
ConstructionASSEMBLED
Nominal Overall Length1.886 INCHES IN
Hub Nominal Diameter0.590 INCHES BOTH ENDS IN
Hub Nominal Length0.143 INCHES BETWEEN FIRST AND SECOND GEAR IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-00-010-2641 INTERCHANGEABLE
Nut,plain,hexagon
4140-00-651-5789102641 INTERCHANGEABLE
Impeller,fan,centrifugal
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5910-00-667-492204-1609 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Thermo King Corporation Dba Phoenix Global Distirbution.
8145-01-015-240813414-503 INTERCHANGEABLE
Reusable Container
Naval Inventory Control Point
5996-01-021-0143102641 INTERCHANGEABLE
Amplifier Assembly
Aimtron Systems, Llc
5340-01-522-141810-2641 INTERCHANGEABLE
Lever,manual Control
L3 Technologies, Inc.
Cross-Reference Index
Part NumberManufacturer
102641 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
5310-00-010-2641INTERCHANGEABLE
NUT,PLAIN,HEXAGON
4140-00-651-5789INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
102641
5910-00-667-4922INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
04-1609
8145-01-015-2408INTERCHANGEABLE
REUSABLE CONTAINER
13414-503
5996-01-021-0143INTERCHANGEABLE
AMPLIFIER ASSEMBLY
102641
5340-01-522-1418INTERCHANGEABLE
LEVER,MANUAL CONTROL
10-2641

Frequently Asked Questions

What is NSN 3020-00-971-2048?

NSN 3020-00-971-2048 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 3020-00-971-2048?

NSN 3020-00-971-2048 has 1 cross-referenced part number: 102641 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 3020-00-971-2048?

There are 6 known substitutes for 3020-00-971-2048: 5310-00-010-2641, 4140-00-651-5789, 5910-00-667-4922 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 102641?

Key specifications for 102641: Hub Nominal Length: 0.510 INCHES FIRST END IN; Hub Style Designator: PLAIN BETWEEN FIRST AND SECOND GEAR; Nominal Outside Diameter: 1.186 INCHES SECOND GEAR IN; Design Type: SPUR SECOND GEAR. 15 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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