PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A4452Gear,spur

The Electric Tachometer Corp. · NSN 3020-01-258-9454 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-258-9454 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-258-9454. Primary manufacturer part number: A4452.
Features
  • Gear,spur — FSC 3020
  • 2 verified cross-references
  • Primary manufacturer: The Electric Tachometer Corp.
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-258-9454, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is The Electric Tachometer Corp.. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGear,spur
FSC / FSG3020 — No Item Name Available (FSG 30)
ManufacturersThe Electric Tachometer Corp. (CAGE 20049); Altra Industrial Motion Corp. (CAGE 71041)
Technical Specifications
ParameterValue
NSN3020-01-258-9454
Primary Part NumberA4452
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerThe Electric Tachometer Corp.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3455-00-187-2578 INTERCHANGEABLE
File,rotary
6240-00-266-6227 INTERCHANGEABLE
Lamp,incandescent
1740-00-702-3941 INTERCHANGEABLE
Tractor,wheeled,aircraft Towing
3930-00-724-8146 INTERCHANGEABLE
Tractor,wheeled,warehouse
1740-00-865-9705 INTERCHANGEABLE
Tractor,wheeled,aircraft Towing
2590-01-187-2806 INTERCHANGEABLE
Cap,filler Opening
5985-01-321-1329G40 INTERCHANGEABLE
Attenuator,special
Richardson Electronics Ltd
5330-01-444-0815G40 INTERCHANGEABLE
Gasket
Plenty Inc
6685-01-563-7078G40 INTERCHANGEABLE
Gage,pressure,dial Indicating
Blacoh Fluid Controls Inc
6760-01-714-5946G40 INTERCHANGEABLE
Case,photographic Equipment
Pelican Products, Inc. Dba Pelican Products Inc
Cross-Reference Index
Part NumberManufacturer
A4452 The Electric Tachometer Corp. (USA)
G40 Altra Industrial Motion Corp. (USA)
Related Parts
3455-00-187-2578INTERCHANGEABLE
FILE,ROTARY
6240-00-266-6227INTERCHANGEABLE
LAMP,INCANDESCENT
1740-00-702-3941INTERCHANGEABLE
TRACTOR,WHEELED,AIRCRAFT TOWING
3930-00-724-8146INTERCHANGEABLE
TRACTOR,WHEELED,WAREHOUSE
1740-00-865-9705INTERCHANGEABLE
TRACTOR,WHEELED,AIRCRAFT TOWING
2590-01-187-2806INTERCHANGEABLE
CAP,FILLER OPENING
5985-01-321-1329INTERCHANGEABLE
ATTENUATOR,SPECIAL
G40
5330-01-444-0815INTERCHANGEABLE
GASKET
G40
6685-01-563-7078INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
G40
6760-01-714-5946INTERCHANGEABLE
CASE,PHOTOGRAPHIC EQUIPMENT
G40

Frequently Asked Questions

What is NSN 3020-01-258-9454?

NSN 3020-01-258-9454 is a Gear,spur, manufactured by The Electric Tachometer Corp., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-258-9454?

NSN 3020-01-258-9454 has 2 cross-referenced part numbers: A4452 (The Electric Tachometer Corp.), G40 (Altra Industrial Motion Corp.).

What NSN replaces 3020-01-258-9454?

There are 10 known substitutes for 3020-01-258-9454: 3455-00-187-2578, 6240-00-266-6227, 1740-00-702-3941 and 7 more. Verify interchangeability with system specifications before substitution.

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