PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30298Gear,spur

L3harris Technologies, Inc. Div Space and Airborne Systems · NSN 3020-00-925-4604 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-925-4604 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-925-4604. Primary manufacturer part number: 30298.
Features
  • Gear,spur — FSC 3020
  • Attachment Method: MOUNTING HOLE
  • Teeth Quantity: 144
  • Counterbore Nominal Depth: 0.450 INCHES COUNTER BORE SECOND END IN
  • Nominal Distance Between Body Face and Protruding Hub End: 0.675 INCHES FIRST END IN
  • Face Nominal Width: 0.125 INCHES IN
  • Material: COPPER ALLOY 675 OVERALL
  • Hub Style Designator: 2 STEPS FIRST END
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Copper Alloy 675 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-925-4604, 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 and Airborne Systems. Government technical data includes 26 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-925-4604
Primary Part Number30298
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Div Space and Airborne Systems
StatusACTIVE
Attachment MethodMOUNTING HOLE
Teeth Quantity144
Counterbore Nominal Depth0.450 INCHES COUNTER BORE SECOND END IN
Nominal Distance Between Body Face and Protruding Hub End0.675 INCHES FIRST END IN
Face Nominal Width0.125 INCHES IN
MaterialCOPPER ALLOY 675 OVERALL
Hub Style Designator2 STEPS FIRST END
Bore Nominal Diameter0.186 INCHES BOTH ENDS IN
Bore StyleW/COUNTERBORE COUNTER BORE SECOND END
End Nominal Length0.062 INCHES FIRST END IN
Body StylePLAIN, WITH LIGHTENING HOLES
Mounting Hole Nominal Diameter0.109 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
Mounting Hole Type and Quantity2 COUNTERSUNK TRANSVERSELY THROUGH HUB FIRST END
First Step Nominal Length0.113 INCHES FIRST END IN
Material Document and ClassificationQQ-B-728,CL A OR CL BCOMP 1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Outside Diameter3.041 INCHES IN
Second Step Nominal Length0.500 INCHES FIRST END IN
First Step Nominal Diameter0.375 INCHES FIRST END IN
Precision ClassificationQUALITY NUMBER 10 OR QUALITY NUMBER 11
Second Step Nominal Diameter0.813 INCHES FIRST END IN
Tooth FormSTANDARD
Pressure Angle20.0000 DEGREES
Counterbore Nominal Diameter0.563 INCHES COUNTER BORE SECOND END IN
End Nominal Diameter0.250 INCHES FIRST END IN
Style DesignatorPROTRUDING HUB
Pitch Diameter3.0000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5315-00-011-7881 INTERCHANGEABLE
Pin,straight,headless
4330-00-218-57776683263 INTERCHANGEABLE
Filter Element,fluid
Arvinmeritor Inc
5950-01-044-178230298 INTERCHANGEABLE
Transformer,synchro to Synchro a
Data Device Corp Dba Beta Transformer Technology
4935-01-087-62203029-8 INTERCHANGEABLE
Transition
Safran Electrical Components Usa, Inc Div Safran Electrical Components Usa
3110-01-292-392730298 INTERCHANGEABLE
Bearing,ball,annular
Moog Inc. Dba Ampac-Isp Corp
3040-01-687-279330298 INTERCHANGEABLE
Tension Spring Assembly
Separ of the Americas, Llc Dba Separ, Losing Filtertek Div Separ Filter
Cross-Reference Index
Part NumberManufacturer
30298 PRIMARY L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
30298 Profile Gear Corp (USA)
Related Parts
5315-00-011-7881INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
4330-00-218-5777INTERCHANGEABLE
FILTER ELEMENT,FLUID
6683263
5950-01-044-1782INTERCHANGEABLE
TRANSFORMER,SYNCHRO TO SYNCHRO A
30298
4935-01-087-6220INTERCHANGEABLE
TRANSITION
3029-8
3110-01-292-3927INTERCHANGEABLE
BEARING,BALL,ANNULAR
30298
3040-01-687-2793INTERCHANGEABLE
TENSION SPRING ASSEMBLY
30298

Frequently Asked Questions

What is NSN 3020-00-925-4604?

NSN 3020-00-925-4604 is a Gear,spur, manufactured by L3harris Technologies, Inc. Div Space and Airborne Systems, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-925-4604?

NSN 3020-00-925-4604 has 2 cross-referenced part numbers: 30298 (L3harris Technologies, Inc. Div Space and Airborne Systems), 30298 (Profile Gear Corp).

What NSN replaces 3020-00-925-4604?

There are 6 known substitutes for 3020-00-925-4604: 5315-00-011-7881, 4330-00-218-5777, 5950-01-044-1782 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30298?

Key specifications for 30298: Attachment Method: MOUNTING HOLE; Teeth Quantity: 144; Counterbore Nominal Depth: 0.450 INCHES COUNTER BORE SECOND END IN; Nominal Distance Between Body Face and Protruding Hub End: 0.675 INCHES FIRST END IN. 26 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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