PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A6802Ring,transmission

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · NSN 2520-00-901-1010 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-901-1010 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-901-1010. Primary manufacturer part number: A6802.
Features
  • Ring,transmission — FSC 2520
  • General Characteristics Item Description: ALUMINUM,18.375 IN. O/A OD,13.500 IN. ID,2.916 IN. LG,8 MTG HOLES,UNTHREADED 0.535 IN. HOLE DIA,17.250 IN. BOLT CIRCLE IN
  • 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 Ring,transmission, cataloged under National Stock Number 2520-00-901-1010, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2520-00-901-1010
Primary Part NumberA6802
Item NameRing,transmission
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusACTIVE
General Characteristics Item DescriptionALUMINUM,18.375 IN. O/A OD,13.500 IN. ID,2.916 IN. LG,8 MTG HOLES,UNTHREADED 0.535 IN. HOLE DIA,17.250 IN. BOLT CIRCLE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5999-00-726-8800SMC502139 INTERCHANGEABLE
Contact Assembly,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
A6802 Twin Disc International S a (GBR)
A6802 Marine & Industrial Transmissions Ltd (GBR)
A6802 PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
Related Parts
5999-00-726-8800INTERCHANGEABLE
CONTACT ASSEMBLY,ELECTRICAL
SMC502139

Frequently Asked Questions

What is NSN 2520-00-901-1010?

NSN 2520-00-901-1010 is a Ring,transmission, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-00-901-1010?

NSN 2520-00-901-1010 has 3 cross-referenced part numbers: A6802 (Twin Disc International S a), A6802 (Marine & Industrial Transmissions Ltd), A6802 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).

What NSN replaces 2520-00-901-1010?

There is 1 known substitute for 2520-00-901-1010: 5999-00-726-8800. Verify interchangeability with system specifications before substitution.

What are the specifications of A6802?

Key specifications for A6802: General Characteristics Item Description: ALUMINUM,18.375 IN. O/A OD,13.500 IN. ID,2.916 IN. LG,8 MTG HOLES,UNTHREADED 0.535 IN. HOLE DIA,17.250 IN. BOLT CIRCLE IN. 1 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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