PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50324-7Gear,spur

Ambac International Corporation Div Ambac International · NSN 3020-00-239-3005 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-239-3005 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-239-3005. Primary manufacturer part number: 50324-7.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 0.8120 INCHES NOMINAL IN
  • Body Style: PLAIN, SOLID
  • Hub Style Designator: PLAIN FIRST END
  • Tooth Form: STANDARD
  • Nominal Outside Diameter: 0.875 INCHES IN
  • Hub Nominal Diameter: 0.562 INCHES FIRST END IN
  • Bore Nominal Diameter: 0.3125 INCHES BOTH ENDS 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 3020-00-239-3005, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Ambac International Corporation Div Ambac International. Government technical data includes 18 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-239-3005
Primary Part Number50324-7
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAmbac International Corporation Div Ambac International
StatusACTIVE
Pitch Diameter0.8120 INCHES NOMINAL IN
Body StylePLAIN, SOLID
Hub Style DesignatorPLAIN FIRST END
Tooth FormSTANDARD
Nominal Outside Diameter0.875 INCHES IN
Hub Nominal Diameter0.562 INCHES FIRST END IN
Bore Nominal Diameter0.3125 INCHES BOTH ENDS IN
MaterialSTEEL COMP 416 OVERALL
Keyway Nominal Width0.063 INCHES BOTH ENDS IN
Nominal Distance From Bore Center to Keyway Bottom0.1980 INCHES BOTH ENDS IN
Style DesignatorPROTRUDING HUB
Bore StyleW/ KEYWAY BOTH ENDS
Material Document and ClassificationQQ-S-763,CLASS416 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Pressure Angle14.5000 DEGREES
Face Nominal Width0.187 INCHES IN
Precision ClassificationQUALITY NUMBER 12
Nominal Distance Between Body Face and Protruding Hub End0.131 INCHES FIRST END IN
Teeth Quantity26
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-100-0286567 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
Cross-Reference Index
Part NumberManufacturer
50324-7 PRIMARY Ambac International Corporation Div Ambac International (USA)
Related Parts
3110-00-100-0286INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
567

Frequently Asked Questions

What is NSN 3020-00-239-3005?

NSN 3020-00-239-3005 is a Gear,spur, manufactured by Ambac International Corporation Div Ambac International, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-239-3005?

NSN 3020-00-239-3005 has 1 cross-referenced part number: 50324-7 (Ambac International Corporation Div Ambac International).

What NSN replaces 3020-00-239-3005?

There is 1 known substitute for 3020-00-239-3005: 3110-00-100-0286. Verify interchangeability with system specifications before substitution.

What are the specifications of 50324-7?

Key specifications for 50324-7: Pitch Diameter: 0.8120 INCHES NOMINAL IN; Body Style: PLAIN, SOLID; Hub Style Designator: PLAIN FIRST END; Tooth Form: STANDARD. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com