PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

K50342479Gear,spur

Entron Industries Limited Partnership Dba Entron Industries Property Div · NSN 3020-00-580-8355 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-580-8355 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-580-8355. Primary manufacturer part number: K50342479.
Features
  • Gear,spur — FSC 3020
  • Nominal Outside Diameter: 1.791 INCHES IN
  • Bore Style: PLAIN BOTH ENDS
  • Pressure Angle: 20.0000 DEGREES
  • Material Document and Classification: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment Document and Classification: QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Style Designator: PROTRUDING HUB
  • Backlash Designation: GRADE C
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-580-8355, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Entron Industries Limited Partnership Dba Entron Industries Property Div. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-580-8355
Primary Part NumberK50342479
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerEntron Industries Limited Partnership Dba Entron Industries Property Div
StatusCANCELLED
Nominal Outside Diameter1.791 INCHES IN
Bore StylePLAIN BOTH ENDS
Pressure Angle20.0000 DEGREES
Material Document and ClassificationQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface Treatment Document and ClassificationQQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Style DesignatorPROTRUDING HUB
Backlash DesignationGRADE C
Pitch Diameter1.7495 INCHES NOMINAL IN
Teeth Quantity84
Body StylePLAIN, SOLID
Tooth FormSTANDARD
MaterialSTEEL COMP 303 OVERALL
Surface TreatmentPASSIVATE OVERALL
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Hub Nominal Diameter0.500 INCHES FIRST END IN
Nominal Distance Between Body Face and Protruding Hub End0.250 INCHES FIRST END IN
Precision ClassificationQUALITY NUMBER 10
Face Nominal Width0.125 INCHES IN
Hub Style DesignatorPINNED FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
3110-00-156-4854273829-101 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
154-84S-P1 Southern Gear & Machine Inc (USA)
K50342479 PRIMARY Entron Industries Limited Partnership Dba Entron Industries Property Div (USA)
G3-84Q10 Roller Bearing Co of America, Inc Div Pic Design (USA)
11200 Jetronic Industries, Inc. Dba Jetronic Industries, Inc. Div Contracts (USA)
G3-84 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
Related Parts
3110-00-156-4854INTERCHANGEABLE
BEARING,BALL,ANNULAR
273829-101

Frequently Asked Questions

What is NSN 3020-00-580-8355?

NSN 3020-00-580-8355 is a Gear,spur, manufactured by Entron Industries Limited Partnership Dba Entron Industries Property Div, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-580-8355?

NSN 3020-00-580-8355 has 5 cross-referenced part numbers: 154-84S-P1 (Southern Gear & Machine Inc), K50342479 (Entron Industries Limited Partnership Dba Entron Industries Property Div), G3-84Q10 (Roller Bearing Co of America, Inc Div Pic Design), 11200 (Jetronic Industries, Inc. Dba Jetronic Industries, Inc. Div Contracts), G3-84 (Roller Bearing Co of America, Inc Div Pic Design).

What NSN replaces 3020-00-580-8355?

There is 1 known substitute for 3020-00-580-8355: 3110-00-156-4854. Verify interchangeability with system specifications before substitution.

What are the specifications of K50342479?

Key specifications for K50342479: Nominal Outside Diameter: 1.791 INCHES IN; Bore Style: PLAIN BOTH ENDS; Pressure Angle: 20.0000 DEGREES; Material Document and Classification: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-580-8355 still in active supply?

NSN 3020-00-580-8355 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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