PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

76514Gear,spur

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 3020-00-542-4058 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-542-4058 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-542-4058. Primary manufacturer part number: 76514.
Features
  • Gear,spur — FSC 3020
  • Nominal Outside Diameter: 1.228 INCHES IN
  • Backlash Designation: GRADE D
  • Style Designator: HUBLESS
  • Tooth Form: STANDARD
  • Face Nominal Width: 0.187 INCHES IN
  • Precision Classification: QUALITY NUMBER 10 OR QUALITY NUMBER 11
  • Bore Style: W/COUNTERBORE BOTH ENDS
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 4130 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-542-4058, 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 14 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-542-4058
Primary Part Number76514
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Nominal Outside Diameter1.228 INCHES IN
Backlash DesignationGRADE D
Style DesignatorHUBLESS
Tooth FormSTANDARD
Face Nominal Width0.187 INCHES IN
Precision ClassificationQUALITY NUMBER 10 OR QUALITY NUMBER 11
Bore StyleW/COUNTERBORE BOTH ENDS
Pitch Diameter1.1875 INCHES NOMINAL IN
Teeth Quantity57
Counterbore Nominal Depth0.050 INCHES FIRST END IN
Body StylePLAIN, SOLID
MaterialSTEEL COMP 4130 OVERALL
Pressure Angle20.0000 DEGREES
Material Document and ClassificationMIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-554-5302 INTERCHANGEABLE
Bearing,ball,annular
6685-00-881-3767362AN INTERCHANGEABLE
Transmitter,temperature,electric
Stewart-Warner Corporation
Cross-Reference Index
Part NumberManufacturer
76514 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
3110-00-554-5302INTERCHANGEABLE
BEARING,BALL,ANNULAR
6685-00-881-3767INTERCHANGEABLE
TRANSMITTER,TEMPERATURE,ELECTRIC
362AN

Frequently Asked Questions

What is NSN 3020-00-542-4058?

NSN 3020-00-542-4058 is a Gear,spur, 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 3020-00-542-4058?

NSN 3020-00-542-4058 has 1 cross-referenced part number: 76514 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 3020-00-542-4058?

There are 2 known substitutes for 3020-00-542-4058: 3110-00-554-5302, 6685-00-881-3767. Verify interchangeability with system specifications before substitution.

What are the specifications of 76514?

Key specifications for 76514: Nominal Outside Diameter: 1.228 INCHES IN; Backlash Designation: GRADE D; Style Designator: HUBLESS; Tooth Form: STANDARD. 14 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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