PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B5651AGear,helical

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · NSN 3020-01-317-7515 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-317-7515 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-317-7515. Primary manufacturer part number: B5651A.
Features
  • Gear,helical — FSC 3020
  • 2 verified cross-references
  • 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 3020-01-317-7515, 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. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 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)
ManufacturersTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic (CAGE 61208)
Technical Specifications
ParameterValue
NSN3020-01-317-7515
Primary Part NumberB5651A
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-01-317-1698M2051Q INTERCHANGEABLE
Plug,pipe
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
4730-01-317-1714B2130 INTERCHANGEABLE
Strainer Element,sediment
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
2590-01-317-2814A2149H INTERCHANGEABLE
Filler Neck,vehicular Components
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
3020-01-317-2818XB5661 INTERCHANGEABLE
Gear,helical
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
4710-01-317-2872B3355A INTERCHANGEABLE
Tube Assembly,metal
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
4710-01-317-2873B2132 INTERCHANGEABLE
Tube Assembly,metal
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
4710-01-317-2874B1947J INTERCHANGEABLE
Tube Assembly,metal
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
4820-01-317-4642B3354A INTERCHANGEABLE
Stem,fluid Valve
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
2520-01-317-4665 INTERCHANGEABLE
Cover,transmission
2520-01-317-4666B2133 INTERCHANGEABLE
Cover,transmission
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Cross-Reference Index
Part NumberManufacturer
B5651A PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
XA7022A Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
Related Parts
4730-01-317-1698INTERCHANGEABLE
PLUG,PIPE
M2051Q
4730-01-317-1714INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
B2130
2590-01-317-2814INTERCHANGEABLE
FILLER NECK,VEHICULAR COMPONENTS
A2149H
3020-01-317-2818INTERCHANGEABLE
GEAR,HELICAL
XB5661
4710-01-317-2872INTERCHANGEABLE
TUBE ASSEMBLY,METAL
B3355A
4710-01-317-2873INTERCHANGEABLE
TUBE ASSEMBLY,METAL
B2132
4710-01-317-2874INTERCHANGEABLE
TUBE ASSEMBLY,METAL
B1947J
4820-01-317-4642INTERCHANGEABLE
STEM,FLUID VALVE
B3354A
2520-01-317-4665INTERCHANGEABLE
COVER,TRANSMISSION
2520-01-317-4666INTERCHANGEABLE
COVER,TRANSMISSION
B2133
3040-01-317-8831INTERCHANGEABLE
SUPPORT,TRANSMISSIO
B5646
3040-01-317-8946INTERCHANGEABLE
SHAFT,STRAIGHT
XB5593A

Frequently Asked Questions

What is NSN 3020-01-317-7515?

NSN 3020-01-317-7515 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 3020-01-317-7515?

NSN 3020-01-317-7515 has 2 cross-referenced part numbers: B5651A (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), XA7022A (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).

What NSN replaces 3020-01-317-7515?

There are 12 known substitutes for 3020-01-317-7515: 4730-01-317-1698, 4730-01-317-1714, 2590-01-317-2814 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com