PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

102271Gear,antibacklash,spur

Astronautics Corporation of America · NSN 3020-00-942-3098 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-942-3098 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-942-3098. Primary manufacturer part number: 102271.
Features
  • Gear,antibacklash,spur — FSC 3020
  • Bore Style: PLAIN BOTH ENDS
  • Nominal Distance Between Body Face and Protruding Hub End: 0.156 INCHES FIRST END IN
  • Hub Style Designator: PINNED FIRST END
  • Bore Nominal Diameter: 0.126 INCHES BOTH ENDS IN
  • Teeth Quantity: 72
  • Pressure Angle: 20.0000 DEGREES
  • Pitch Diameter: 0.7500 INCHES NOMINAL IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 302 Overall construction
General Description

The Gear,antibacklash,spur, cataloged under National Stock Number 3020-00-942-3098, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Astronautics Corporation of America. 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-942-3098
Primary Part Number102271
Item NameGear,antibacklash,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAstronautics Corporation of America
StatusACTIVE
Bore StylePLAIN BOTH ENDS
Nominal Distance Between Body Face and Protruding Hub End0.156 INCHES FIRST END IN
Hub Style DesignatorPINNED FIRST END
Bore Nominal Diameter0.126 INCHES BOTH ENDS IN
Teeth Quantity72
Pressure Angle20.0000 DEGREES
Pitch Diameter0.7500 INCHES NOMINAL IN
Style DesignatorPROTRUDING HUBS
MaterialSTEEL COMP 302 OVERALL
Surface TreatmentPASSIVATE OVERALL
Face Nominal Width0.109 INCHES IN
Hub Nominal Diameter0.281 INCHES SECOND END IN
Material Document and ClassificationMIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Tooth FormSTANDARD
Hub Nominal Diameter0.375 INCHES FIRST END IN
Nominal Distance Between Body Face and Protruding Hub End0.078 INCHES SECOND END IN
Hub Style DesignatorPLAIN SECOND END
Nominal Outside Diameter0.770 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6695-00-081-04594L90511-105A INTERCHANGEABLE
Transducer,motional Pickup
Lockheed Martin Corp
5905-00-119-3503 INTERCHANGEABLE
Resistor,fixed,composition
5950-01-323-6673336-070-089 INTERCHANGEABLE
Transformer,power
L3harris Interstate Electronics Corporation
5998-01-631-864206-1113521 INTERCHANGEABLE
Circuit Card Assembly
Dawn Vme Products
Cross-Reference Index
Part NumberManufacturer
102271 PRIMARY Astronautics Corporation of America (USA)
Related Parts
6695-00-081-0459INTERCHANGEABLE
TRANSDUCER,MOTIONAL PICKUP
4L90511-105A
5905-00-119-3503INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5950-01-323-6673INTERCHANGEABLE
TRANSFORMER,POWER
336-070-089
5998-01-631-8642INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
06-1113521

Frequently Asked Questions

What is NSN 3020-00-942-3098?

NSN 3020-00-942-3098 is a Gear,antibacklash,spur, manufactured by Astronautics Corporation of America, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-942-3098?

NSN 3020-00-942-3098 has 1 cross-referenced part number: 102271 (Astronautics Corporation of America).

What NSN replaces 3020-00-942-3098?

There are 4 known substitutes for 3020-00-942-3098: 6695-00-081-0459, 5905-00-119-3503, 5950-01-323-6673 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 102271?

Key specifications for 102271: Bore Style: PLAIN BOTH ENDS; Nominal Distance Between Body Face and Protruding Hub End: 0.156 INCHES FIRST END IN; Hub Style Designator: PINNED FIRST END; Bore Nominal Diameter: 0.126 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.
PartsTable Design LLC · partstable.com