PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B5047Gear,helical

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · NSN 3020-01-261-0241 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-261-0241 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-261-0241. Primary manufacturer part number: B5047.
Features
  • Gear,helical — FSC 3020
  • Teeth Quantity: 25
  • Nominal Outside Diameter: 4.730 INCHES IN
  • 1 verified cross-reference
  • Primary manufacturer: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,helical, cataloged under National Stock Number 3020-01-261-0241, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-261-0241
Primary Part NumberB5047
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusACTIVE
Teeth Quantity25
Nominal Outside Diameter4.730 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6125-00-553-0873115-5190P1 INTERCHANGEABLE
Dynamotor
Raytheon Company Div Corp
5930-00-872-9257910831 INTERCHANGEABLE
Switch,rotary
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
Cross-Reference Index
Part NumberManufacturer
B5047 PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
Related Parts
6125-00-553-0873INTERCHANGEABLE
DYNAMOTOR
115-5190P1
5930-00-872-9257INTERCHANGEABLE
SWITCH,ROTARY
910831

Frequently Asked Questions

What is NSN 3020-01-261-0241?

NSN 3020-01-261-0241 is a Gear,helical, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-261-0241?

NSN 3020-01-261-0241 has 1 cross-referenced part number: B5047 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).

What NSN replaces 3020-01-261-0241?

There are 2 known substitutes for 3020-01-261-0241: 6125-00-553-0873, 5930-00-872-9257. Verify interchangeability with system specifications before substitution.

What are the specifications of B5047?

Key specifications for B5047: Teeth Quantity: 25; Nominal Outside Diameter: 4.730 INCHES IN. 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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