PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A5579HDisk,clutch,vehicular

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · NSN 2520-00-496-2046 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-496-2046 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-496-2046. Primary manufacturer part number: A5579H.
Features
  • Disk,clutch,vehicular — FSC 2520
  • Flexibility: RIGID
  • Design Type: DRY
  • Disk Material: ASBESTOS
  • Disk Type: EXTERNAL TEETH
  • Teeth Quantity Per Disk: 72
  • 11 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 Disk,clutch,vehicular, cataloged under National Stock Number 2520-00-496-2046, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2520-00-496-2046
Primary Part NumberA5579H
Item NameDisk,clutch,vehicular
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusACTIVE
FlexibilityRIGID
Design TypeDRY
Disk MaterialASBESTOS
Disk TypeEXTERNAL TEETH
Teeth Quantity Per Disk72
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2520-00-734-906037226 INTERCHANGEABLE
Fork Shaft Sliding
New Venture Gear Inc New Process Gear Div
7530-01-025-325075-831 INTERCHANGEABLE
Envelope,microfiche
Highsmith Inc. Dba Upstart
5315-01-120-502399137226 INTERCHANGEABLE
Pin
Alfa Laval Inc
3040-01-312-134737226 INTERCHANGEABLE
Housing,mechanical Drive
Jay-Em Aerospace Corporation
Cross-Reference Index
Part NumberManufacturer
75129 Komatsu America Corporation (USA)
A5579C Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
37226DX Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
D75129 Komatsu America Corporation (USA)
75129 Dressta North America Ltd (USA)
A5579H PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
37226 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
2520004962046 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
37226 Dressta North America Ltd (USA)
67928D Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
4B4804 Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
2520-00-734-9060INTERCHANGEABLE
FORK SHAFT SLIDING
37226
7530-01-025-3250INTERCHANGEABLE
ENVELOPE,MICROFICHE
75-831
5315-01-120-5023INTERCHANGEABLE
PIN
99137226
3040-01-312-1347INTERCHANGEABLE
HOUSING,MECHANICAL DRIVE
37226

Frequently Asked Questions

What is NSN 2520-00-496-2046?

NSN 2520-00-496-2046 is a Disk,clutch,vehicular, 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 2520-00-496-2046?

NSN 2520-00-496-2046 has 11 cross-referenced part numbers: 75129 (Komatsu America Corporation), A5579C (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 37226DX (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), D75129 (Komatsu America Corporation), 75129 (Dressta North America Ltd) and 6 more.

What NSN replaces 2520-00-496-2046?

There are 4 known substitutes for 2520-00-496-2046: 2520-00-734-9060, 7530-01-025-3250, 5315-01-120-5023 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A5579H?

Key specifications for A5579H: Flexibility: RIGID; Design Type: DRY; Disk Material: ASBESTOS; Special Features: THREE SEGMENTS. 6 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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