PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52981Gear,spur

Edo · NSN 3020-00-357-8036 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-357-8036 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-357-8036. Primary manufacturer part number: 52981.
Features
  • Gear,spur — FSC 3020
  • Mounting Hole Nominal Diameter: 0.065 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
  • Mounting Hole Type and Quantity: 1 PLAIN TRANSVERSELY THROUGH HUB FIRST END
  • Precision Classification: QUALITY NUMBER 10
  • Material: COPPER ALLOY OVERALL
  • Teeth Quantity: 27
  • Pitch Diameter: 1.1250 INCHES NOMINAL IN
  • Attachment Method: MOUNTING HOLE
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Copper Alloy Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-357-8036, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Edo. Government technical data includes 20 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-357-8036
Primary Part Number52981
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerEdo
StatusACTIVE
Mounting Hole Nominal Diameter0.065 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
Mounting Hole Type and Quantity1 PLAIN TRANSVERSELY THROUGH HUB FIRST END
Precision ClassificationQUALITY NUMBER 10
MaterialCOPPER ALLOY OVERALL
Teeth Quantity27
Pitch Diameter1.1250 INCHES NOMINAL IN
Attachment MethodMOUNTING HOLE
Body StylePLAIN, SOLID
Surface Treatment Document and ClassificationMIL-C-26074,CL2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Face Nominal Width0.250 INCHES IN
Style DesignatorPROTRUDING HUB
Bore StylePLAIN BOTH ENDS
Nominal Distance Between Body Face and Protruding Hub End0.2500 INCHES FIRST END IN
Surface TreatmentNICKEL OVERALL
Hub Style DesignatorPLAIN FIRST END
Bore Nominal Diameter0.2515 INCHES BOTH ENDS IN
Tooth FormSTANDARD
Nominal Outside Diameter1.2084 INCHES IN
Hub Nominal Diameter0.6250 INCHES FIRST END IN
Pressure Angle20.0000 DEGREES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-01-436-2389 INTERCHANGEABLE
Nut,plain,round
6685-01-520-968252918 INTERCHANGEABLE
Gage,pressure,dial Indicating
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
Cross-Reference Index
Part NumberManufacturer
52981 Edo (USA)
Related Parts
5310-01-436-2389INTERCHANGEABLE
NUT,PLAIN,ROUND
6685-01-520-9682INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
52918

Frequently Asked Questions

What is NSN 3020-00-357-8036?

NSN 3020-00-357-8036 is a Gear,spur, manufactured by Edo, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-357-8036?

NSN 3020-00-357-8036 has 1 cross-referenced part number: 52981 (Edo).

What NSN replaces 3020-00-357-8036?

There are 2 known substitutes for 3020-00-357-8036: 5310-01-436-2389, 6685-01-520-9682. Verify interchangeability with system specifications before substitution.

What are the specifications of 52981?

Key specifications for 52981: Mounting Hole Nominal Diameter: 0.065 INCHES TRANSVERSELY THROUGH HUB FIRST END IN; Mounting Hole Type and Quantity: 1 PLAIN TRANSVERSELY THROUGH HUB FIRST END; Precision Classification: QUALITY NUMBER 10; Material: COPPER ALLOY OVERALL. 20 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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