PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

105803Gear,spur

General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems · NSN 3020-00-973-9719 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-973-9719 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-973-9719. Primary manufacturer part number: 105803.
Features
  • Gear,spur — FSC 3020
  • Surface Treatment: PASSIVATE OVERALL
  • Nominal Outside Diameter: 0.521 INCHES IN
  • Bore Style: W/ 4 KEYWAYS BOTH ENDS
  • Bore Nominal Diameter: 0.125 INCHES BOTH ENDS IN
  • Tooth Form: STANDARD
  • Style Designator: PROTRUDING HUB
  • Nominal Overall Length: 0.312 INCHES IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Copper Alloy 642 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-973-9719, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems. Government technical data includes 19 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-973-9719
Primary Part Number105803
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerGeneral Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems
StatusACTIVE
Surface TreatmentPASSIVATE OVERALL
Nominal Outside Diameter0.521 INCHES IN
Bore StyleW/ 4 KEYWAYS BOTH ENDS
Bore Nominal Diameter0.125 INCHES BOTH ENDS IN
Tooth FormSTANDARD
Style DesignatorPROTRUDING HUB
Nominal Overall Length0.312 INCHES IN
Keyway Nominal Width0.0150 INCHES BOTH ENDS IN
Hub Style DesignatorPLAIN FIRST END
Pitch Diameter0.5090 INCHES NOMINAL IN
Nominal Distance Between Body Face and Protruding Hub End0.218 INCHES FIRST END IN
Material Document and ClassificationQQ-C-465,ALLOY 642 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Body StylePLAIN, SOLID
MaterialCOPPER ALLOY 642 OVERALL
Pressure Angle20.0000 DEGREES
Teeth Quantity48
Face Nominal Width0.094 INCHES IN
Nominal Distance From Bore Center to Keyway Bottom0.096 INCHES BOTH ENDS IN
Hub Nominal Diameter0.192 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5935-00-027-8915105-803 INTERCHANGEABLE
Jack,tip
Viking Technologies, Ltd.
5945-00-461-2356 INTERCHANGEABLE
Relay,electromagnetic
5930-00-642-91888370K107 INTERCHANGEABLE
Switch,toggle
Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit
5925-00-924-9578 INTERCHANGEABLE
Circuit Breaker
5130-00-973-0062900-172 INTERCHANGEABLE
Grip Spacer
Huck International, Inc. Div Kingston Operations
5840-01-176-1472105803 INTERCHANGEABLE
Range Strobe Assy
Aimtron Systems, Llc
6515-01-505-0390105.803 INTERCHANGEABLE
Bone Surgery Set
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
105803 PRIMARY General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems (CAN)
Related Parts
5935-00-027-8915INTERCHANGEABLE
JACK,TIP
105-803
5945-00-461-2356INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5930-00-642-9188INTERCHANGEABLE
SWITCH,TOGGLE
8370K107
5925-00-924-9578INTERCHANGEABLE
CIRCUIT BREAKER
5130-00-973-0062INTERCHANGEABLE
GRIP SPACER
900-172
5840-01-176-1472INTERCHANGEABLE
RANGE STROBE ASSY
105803
6515-01-505-0390INTERCHANGEABLE
BONE SURGERY SET
105.803

Frequently Asked Questions

What is NSN 3020-00-973-9719?

NSN 3020-00-973-9719 is a Gear,spur, manufactured by General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-973-9719?

NSN 3020-00-973-9719 has 1 cross-referenced part number: 105803 (General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems).

What NSN replaces 3020-00-973-9719?

There are 7 known substitutes for 3020-00-973-9719: 5935-00-027-8915, 5945-00-461-2356, 5930-00-642-9188 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 105803?

Key specifications for 105803: Surface Treatment: PASSIVATE OVERALL; Nominal Outside Diameter: 0.521 INCHES IN; Bore Style: W/ 4 KEYWAYS BOTH ENDS; Bore Nominal Diameter: 0.125 INCHES BOTH ENDS 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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