PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

115654Gear,spur

Drs Technologies Canada Ltd · NSN 3020-00-178-0050 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-178-0050 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-178-0050. Primary manufacturer part number: 115654.
Features
  • Gear,spur — FSC 3020
  • Precision Classification: QUALITY NUMBER 10
  • Bore Style: PLAIN BOTH ENDS
  • Nominal Outside Diameter: 0.349 INCHES IN
  • Face Nominal Width: 0.045 INCHES IN
  • Backlash Designation: GRADE D
  • Style Designator: PROTRUDING HUBS
  • Pitch Diameter: 0.3333 INCHES NOMINAL IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 416 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-178-0050, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Drs Technologies Canada Ltd. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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
NSN3020-00-178-0050
Primary Part Number115654
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerDrs Technologies Canada Ltd
StatusACTIVE
Precision ClassificationQUALITY NUMBER 10
Bore StylePLAIN BOTH ENDS
Nominal Outside Diameter0.349 INCHES IN
Face Nominal Width0.045 INCHES IN
Backlash DesignationGRADE D
Style DesignatorPROTRUDING HUBS
Pitch Diameter0.3333 INCHES NOMINAL IN
Teeth Quantity40
Nominal Distance Between Body Face and Protruding Hub End0.029 INCHES FIRST END IN
MaterialSTEEL COMP 416 OVERALL
Tooth FormSTANDARD
Pressure Angle20.0000 DEGREES
Bore Nominal Diameter0.094 INCHES BOTH ENDS IN
Hardness Rating28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Material Document and ClassificationQQ-S-764,TYPE 416 COND H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Hub Nominal Diameter0.150 INCHES SECOND END IN
Hub Style DesignatorPLAIN BOTH ENDS
Nominal Distance Between Body Face and Protruding Hub End0.210 INCHES SECOND END IN
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2940-00-360-8045115654 INTERCHANGEABLE
Filtering Disk,fluid
Am General Llc
5820-01-168-9336 INTERCHANGEABLE
Ring,aperture
Cross-Reference Index
Part NumberManufacturer
115654 Drs Technologies Canada Ltd (CAN)
115654 PRIMARY Drs Technologies Canada Ltd (CAN)
Related Parts
2940-00-360-8045INTERCHANGEABLE
FILTERING DISK,FLUID
115654
5820-01-168-9336INTERCHANGEABLE
RING,APERTURE

Frequently Asked Questions

What is NSN 3020-00-178-0050?

NSN 3020-00-178-0050 is a Gear,spur, manufactured by Drs Technologies Canada Ltd, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-178-0050?

NSN 3020-00-178-0050 has 2 cross-referenced part numbers: 115654 (Drs Technologies Canada Ltd), 115654 (Drs Technologies Canada Ltd).

What NSN replaces 3020-00-178-0050?

There are 2 known substitutes for 3020-00-178-0050: 2940-00-360-8045, 5820-01-168-9336. Verify interchangeability with system specifications before substitution.

What are the specifications of 115654?

Key specifications for 115654: Precision Classification: QUALITY NUMBER 10; Bore Style: PLAIN BOTH ENDS; Nominal Outside Diameter: 0.349 INCHES IN; Face Nominal Width: 0.045 INCHES IN. 19 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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