PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

205512Sprocket

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · NSN 3020-01-253-3939 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-253-3939 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-253-3939. Primary manufacturer part number: 205512.
Features
  • Sprocket — FSC 3020
  • 3 verified cross-references
  • Primary manufacturer: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Sprocket, cataloged under National Stock Number 3020-01-253-3939, 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 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSprocket
FSC / FSG3020 — No Item Name Available (FSG 30)
ManufacturersTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic (CAGE 61208); Twin Disc International S a (CAGE K2171); Marine & Industrial Transmissions Ltd (CAGE U2621)
Technical Specifications
ParameterValue
NSN3020-01-253-3939
Primary Part Number205512
Item NameSprocket
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3530-00-252-985716X87-12 INTERCHANGEABLE
Needle,sewing Machine
Singer Industrial Sewing Products Co Cutters Exchange Div
3417-00-987-9191 INTERCHANGEABLE
Milling Machine
5985-01-217-6836 INTERCHANGEABLE
Coupler,directional
4720-01-616-7441205512 INTERCHANGEABLE
Hose Assembly,nonmetallic
West Side Tractor Sales Co
Cross-Reference Index
Part NumberManufacturer
205512 PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
205512 Twin Disc International S a (GBR)
205512 Marine & Industrial Transmissions Ltd (GBR)
Related Parts
3530-00-252-9857INTERCHANGEABLE
NEEDLE,SEWING MACHINE
16X87-12
3417-00-987-9191INTERCHANGEABLE
MILLING MACHINE
5985-01-217-6836INTERCHANGEABLE
COUPLER,DIRECTIONAL
4720-01-616-7441INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
205512

Frequently Asked Questions

What is NSN 3020-01-253-3939?

NSN 3020-01-253-3939 is a Sprocket, 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 3020-01-253-3939?

NSN 3020-01-253-3939 has 3 cross-referenced part numbers: 205512 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 205512 (Twin Disc International S a), 205512 (Marine & Industrial Transmissions Ltd).

What NSN replaces 3020-01-253-3939?

There are 4 known substitutes for 3020-01-253-3939: 3530-00-252-9857, 3417-00-987-9191, 5985-01-217-6836 and 1 more. Verify interchangeability with system specifications before substitution.

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