PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

78-3Gear,spur

Cordell Engineering Inc · NSN 3020-01-159-7844 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-159-7844 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-159-7844. Primary manufacturer part number: 78-3.
Features
  • Gear,spur — FSC 3020
  • Teeth Quantity: 18
  • Material: PLASTIC POLYAMIDE NYLON OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: Cordell Engineering Inc
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Plastic Polyamide Nylon Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-159-7844, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Cordell Engineering Inc. Government technical data includes 2 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-159-7844
Primary Part Number78-3
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerCordell Engineering Inc
StatusACTIVE
Teeth Quantity18
MaterialPLASTIC POLYAMIDE NYLON OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5940-00-258-5200 INTERCHANGEABLE
Terminal,stud
5360-00-291-7605 INTERCHANGEABLE
Spring,helical,compression
5340-00-598-0153783 INTERCHANGEABLE
Clamp,loop
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5340-00-598-9866 INTERCHANGEABLE
Clamp,loop
5970-00-686-7991861 INTERCHANGEABLE
Insulator,standoff
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
5120-00-858-0969DWG5120-00-858-0969 INTERCHANGEABLE
Wrench,spanner
General Services Administration Federal Supply Service
5310-00-901-9066 INTERCHANGEABLE
Washer,iron,top
3110-01-359-8936783 INTERCHANGEABLE
Cone,tapered Roller Bearing
The Timken Corporation
6620-01-471-209907884-00 INTERCHANGEABLE
Indicator,pressure
Maxima Technologies & Systems Llc
6150-01-601-4940783 INTERCHANGEABLE
Bus,conductor
Janco Corporation Dba Janco Corp Div Mason Controls
Cross-Reference Index
Part NumberManufacturer
78-3 Cordell Engineering Inc (USA)
Related Parts
5940-00-258-5200INTERCHANGEABLE
TERMINAL,STUD
5360-00-291-7605INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5340-00-598-0153INTERCHANGEABLE
CLAMP,LOOP
783
5340-00-598-9866INTERCHANGEABLE
CLAMP,LOOP
5970-00-686-7991INTERCHANGEABLE
INSULATOR,STANDOFF
861
5120-00-858-0969INTERCHANGEABLE
WRENCH,SPANNER
DWG5120-00-858-0969
5310-00-901-9066INTERCHANGEABLE
WASHER,IRON,TOP
3110-01-359-8936INTERCHANGEABLE
CONE,TAPERED ROLLER BEARING
783
6620-01-471-2099INTERCHANGEABLE
INDICATOR,PRESSURE
07884-00
6150-01-601-4940INTERCHANGEABLE
BUS,CONDUCTOR
783
6625-01-694-2045INTERCHANGEABLE
PORTABLE HIGH TEMPERATURE FURNAC
783

Frequently Asked Questions

What is NSN 3020-01-159-7844?

NSN 3020-01-159-7844 is a Gear,spur, manufactured by Cordell Engineering Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-159-7844?

NSN 3020-01-159-7844 has 1 cross-referenced part number: 78-3 (Cordell Engineering Inc).

What NSN replaces 3020-01-159-7844?

There are 11 known substitutes for 3020-01-159-7844: 5940-00-258-5200, 5360-00-291-7605, 5340-00-598-0153 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 78-3?

Key specifications for 78-3: Teeth Quantity: 18; Material: PLASTIC POLYAMIDE NYLON OVERALL. 2 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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