PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

101457-1Gear,spur

Walker Power Systems, Inc. Dba Tiernay Turbines · NSN 3020-01-215-6102 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-215-6102 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-215-6102. Primary manufacturer part number: 101457-1.
Features
  • Gear,spur — FSC 3020
  • Tooth Form: STANDARD
  • Style Designator: HUBLESS
  • Bore Style: W/ KEYWAY BOTH ENDS
  • Material: STEEL OVERALL
  • Pitch Diameter: 0.9000 INCHES NOMINAL IN
  • Face Nominal Width: 0.250 INCHES IN
  • Nominal Outside Diameter: 1.197 INCHES IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-215-6102, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Walker Power Systems, Inc. Dba Tiernay Turbines. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, 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
NSN3020-01-215-6102
Primary Part Number101457-1
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerWalker Power Systems, Inc. Dba Tiernay Turbines
StatusACTIVE
Tooth FormSTANDARD
Style DesignatorHUBLESS
Bore StyleW/ KEYWAY BOTH ENDS
MaterialSTEEL OVERALL
Pitch Diameter0.9000 INCHES NOMINAL IN
Face Nominal Width0.250 INCHES IN
Nominal Outside Diameter1.197 INCHES IN
Body StylePLAIN, SOLID
Teeth Quantity9
Bore Nominal Diameter0.501 INCHES BOTH ENDS IN
Pressure Angle20.0000 DEGREES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-100-352618590 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
3010-00-159-8474101457 INTERCHANGEABLE
Coupling,shaft,flexible
Bull SAS
5955-00-918-2886 INTERCHANGEABLE
Retainer,crystal Holder
5306-01-030-5632MS35751-132 INTERCHANGEABLE
Bolt,square Neck
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-352-3108101-457 INTERCHANGEABLE
Washer,flat
Naval Inventory Control Point Mechanicsburg
3020-01-475-3109 INTERCHANGEABLE
Plate,chain Link
5985-01-550-813255201-00 INTERCHANGEABLE
Pedestal,antenna
Trimble Inc Dba Trimble Navigation
Cross-Reference Index
Part NumberManufacturer
101457-1 PRIMARY Walker Power Systems, Inc. Dba Tiernay Turbines (USA)
101457-1 General Dynamics Robotic Systems Inc Div General Dynamics Land Systems Inc. (USA)
101457 Walker Power Systems, Inc. Dba Tiernay Turbines (USA)
Related Parts
3110-00-100-3526INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
18590
3010-00-159-8474INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
101457
5955-00-918-2886INTERCHANGEABLE
RETAINER,CRYSTAL HOLDER
5306-01-030-5632INTERCHANGEABLE
BOLT,SQUARE NECK
MS35751-132
5310-01-352-3108INTERCHANGEABLE
WASHER,FLAT
101-457
3020-01-475-3109INTERCHANGEABLE
PLATE,CHAIN LINK
5985-01-550-8132INTERCHANGEABLE
PEDESTAL,ANTENNA
55201-00

Frequently Asked Questions

What is NSN 3020-01-215-6102?

NSN 3020-01-215-6102 is a Gear,spur, manufactured by Walker Power Systems, Inc. Dba Tiernay Turbines, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-215-6102?

NSN 3020-01-215-6102 has 3 cross-referenced part numbers: 101457-1 (Walker Power Systems, Inc. Dba Tiernay Turbines), 101457-1 (General Dynamics Robotic Systems Inc Div General Dynamics Land Systems Inc.), 101457 (Walker Power Systems, Inc. Dba Tiernay Turbines).

What NSN replaces 3020-01-215-6102?

There are 7 known substitutes for 3020-01-215-6102: 3110-00-100-3526, 3010-00-159-8474, 5955-00-918-2886 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 101457-1?

Key specifications for 101457-1: Tooth Form: STANDARD; Style Designator: HUBLESS; Bore Style: W/ KEYWAY BOTH ENDS; Material: STEEL OVERALL. 11 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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