PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7940Gear,helical

Cooper Machinery Services Llc · NSN 3020-00-274-6616 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-274-6616 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-274-6616. Primary manufacturer part number: 7940.
Features
  • Gear,helical — FSC 3020
  • 2 verified cross-references
  • Primary manufacturer: Cooper Machinery Services Llc
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,helical, cataloged under National Stock Number 3020-00-274-6616, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Cooper Machinery Services Llc. This item has 2 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.

Catalog Facts
Item NameGear,helical
FSC / FSG3020 — No Item Name Available (FSG 30)
ManufacturersCooper Industries Inc Enterprise Engine Services (CAGE 20604); Cooper Machinery Services Llc (CAGE 14541)
Technical Specifications
ParameterValue
NSN3020-00-274-6616
Primary Part Number7940
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerCooper Machinery Services Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-339-448214U628PCDB7940 INTERCHANGEABLE
Retainer,bearing
Naval Sea Systems Command
5365-00-377-50347940 INTERCHANGEABLE
Shim
Prestolite Electric Inc
5975-00-769-3648 INTERCHANGEABLE
Brace,crossarm
5935-00-985-5444HBL7940 INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5998-01-149-41117940 INTERCHANGEABLE
Extractor,electrical Card
Protolab
5915-01-459-49592Q777 INTERCHANGEABLE
Filter,band Pass
Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled
6110-01-481-8909 INTERCHANGEABLE
Contactor,magnetic
Cross-Reference Index
Part NumberManufacturer
7940 Cooper Industries Inc Enterprise Engine Services (USA)
7940 PRIMARY Cooper Machinery Services Llc (USA)
Related Parts
3110-00-339-4482INTERCHANGEABLE
RETAINER,BEARING
14U628PCDB7940
5365-00-377-5034INTERCHANGEABLE
SHIM
7940
5975-00-769-3648INTERCHANGEABLE
BRACE,CROSSARM
5935-00-985-5444INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
HBL7940
5998-01-149-4111INTERCHANGEABLE
EXTRACTOR,ELECTRICAL CARD
7940
5915-01-459-4959INTERCHANGEABLE
FILTER,BAND PASS
2Q777
6110-01-481-8909INTERCHANGEABLE
CONTACTOR,MAGNETIC

Frequently Asked Questions

What is NSN 3020-00-274-6616?

NSN 3020-00-274-6616 is a Gear,helical, manufactured by Cooper Machinery Services Llc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-274-6616?

NSN 3020-00-274-6616 has 2 cross-referenced part numbers: 7940 (Cooper Industries Inc Enterprise Engine Services), 7940 (Cooper Machinery Services Llc).

What NSN replaces 3020-00-274-6616?

There are 7 known substitutes for 3020-00-274-6616: 3110-00-339-4482, 5365-00-377-5034, 5975-00-769-3648 and 4 more. Verify interchangeability with system specifications before substitution.

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