PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

107125Gear Rack

Bei Sensors & Systems Company, Inc. Dba Bei Duncan · NSN 3020-00-405-5146 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-405-5146 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-405-5146. Primary manufacturer part number: 107125.
Features
  • Gear Rack — FSC 3020
  • Material: STEEL COMP 630 OVERALL
  • Nominal Outside Diameter: 0.125 INCHES IN
  • Pressure Angle: 20.0000 DEGREES
  • Style Designator: ROUND
  • Mounting Hole Type and Quantity: 1 THREADED TRANSVERSELY THROUGH BOTTOM
  • Nominal Thickness: 0.115 INCHES IN
  • Face Nominal Width: 0.043 INCHES IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 630 Overall construction
General Description

The Gear Rack, cataloged under National Stock Number 3020-00-405-5146, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Bei Sensors & Systems Company, Inc. Dba Bei Duncan. Government technical data includes 17 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-405-5146
Primary Part Number107125
Item NameGear Rack
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerBei Sensors & Systems Company, Inc. Dba Bei Duncan
StatusACTIVE
MaterialSTEEL COMP 630 OVERALL
Nominal Outside Diameter0.125 INCHES IN
Pressure Angle20.0000 DEGREES
Style DesignatorROUND
Mounting Hole Type and Quantity1 THREADED TRANSVERSELY THROUGH BOTTOM
Nominal Thickness0.115 INCHES IN
Face Nominal Width0.043 INCHES IN
Surface TreatmentPASSIVATE OVERALL
Pitch Height0.1070 INCHES NOMINAL IN
Material Document and ClassificationAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Teeth TypeSPUR
Mounting Hole Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH BOTTOM
Attachment MethodMOUNTING HOLE
Nominal Overall Length0.906 INCHES IN
Tooth FormSPECIAL
Teeth Quantity23
Mounting Hole Nominal Thread Size0.073 INCHES TRANSVERSELY THROUGH BOTTOM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
7510-00-634-1341471 1/4 GREEN INTERCHANGEABLE
Tape,pressure Sensitive Adhesive
3m Company
5310-00-687-6662 INTERCHANGEABLE
Washer,lock
3020-00-956-5519107125 INTERCHANGEABLE
Gear,spur
General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems
6240-01-492-5044107125 INTERCHANGEABLE
Lamp,incandescent
Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion
Cross-Reference Index
Part NumberManufacturer
107125 PRIMARY Bei Sensors & Systems Company, Inc. Dba Bei Duncan (USA)
107125 Bei Sensors & Systems Co. Inc Dba Edcliff Instruments Division (USA)
Related Parts
7510-00-634-1341INTERCHANGEABLE
TAPE,PRESSURE SENSITIVE ADHESIVE
471 1/4 GREEN
5310-00-687-6662INTERCHANGEABLE
WASHER,LOCK
3020-00-956-5519INTERCHANGEABLE
GEAR,SPUR
107125
6240-01-492-5044INTERCHANGEABLE
LAMP,INCANDESCENT
107125

Frequently Asked Questions

What is NSN 3020-00-405-5146?

NSN 3020-00-405-5146 is a Gear Rack, manufactured by Bei Sensors & Systems Company, Inc. Dba Bei Duncan, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-405-5146?

NSN 3020-00-405-5146 has 2 cross-referenced part numbers: 107125 (Bei Sensors & Systems Company, Inc. Dba Bei Duncan), 107125 (Bei Sensors & Systems Co. Inc Dba Edcliff Instruments Division).

What NSN replaces 3020-00-405-5146?

There are 4 known substitutes for 3020-00-405-5146: 7510-00-634-1341, 5310-00-687-6662, 3020-00-956-5519 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 107125?

Key specifications for 107125: Material: STEEL COMP 630 OVERALL; Nominal Outside Diameter: 0.125 INCHES IN; Pressure Angle: 20.0000 DEGREES; Style Designator: ROUND. 18 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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