PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4579Disc,friction

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · NSN 2520-00-587-9758 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-587-9758 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-587-9758. Primary manufacturer part number: 4579.
Features
  • Disc,friction — FSC 2520
  • 9 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 Disc,friction, cataloged under National Stock Number 2520-00-587-9758, 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. This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameDisc,friction
FSC / FSG2520 — No Item Name Available (FSG 25)
ManufacturersKoehring Co Lorain Div (CAGE 59690); Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (CAGE 61208); Jaeger Machine Co (CAGE 31577); Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (CAGE 8E499); Bomag Usa Sub of United Dominion Industries Ltd (CAGE 09605)
Technical Specifications
ParameterValue
NSN2520-00-587-9758
Primary Part Number4579
Item NameDisc,friction
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5975-00-012-34365365 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5910-00-071-9922222234245104 INTERCHANGEABLE
Capacitor,fixed,metallized,paper
Philips Electronics Nederland B.v. Div Philips Ip&s
5940-00-204-5582503-9328-002 INTERCHANGEABLE
Terminal Board
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
4730-00-248-43703351009 INTERCHANGEABLE
Nozzle,spray,fluid-Emulsion
Ed Etnyre & Co
2915-00-449-1812 INTERCHANGEABLE
Vane,carbon,fuel Pump
6240-00-519-02641M5899 INTERCHANGEABLE
Lamp,incandescent
Caterpillar Inc Div Caterpillar Defense
4920-00-646-89574-579 INTERCHANGEABLE
Valve,manifold,high
Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc
4730-00-908-6292 INTERCHANGEABLE
Clamp,hose
1680-01-074-23204579 INTERCHANGEABLE
Wiper Assembly,seat Track
B/e Aerospace Inc Dba Interturbine
9330-01-151-4894457-9 INTERCHANGEABLE
Plastic Sheet,tracing
Pitney Bowes Inc.
Cross-Reference Index
Part NumberManufacturer
4579 Koehring Co Lorain Div (USA)
4579 PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
4579 Jaeger Machine Co (USA)
4579DX Koehring Co Lorain Div (USA)
4579 Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA)
TD4579 Bomag Usa Sub of United Dominion Industries Ltd (USA)
4579 Blaw Knox Corp Executive Offices (USA)
TD4579 Garwood/feller Inc Garwood Winch Div (USA)
5365 Cleveland Trencher Co Inc (USA)
Related Parts
5975-00-012-3436INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5365
5910-00-071-9922INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
222234245104
5940-00-204-5582INTERCHANGEABLE
TERMINAL BOARD
503-9328-002
4730-00-248-4370INTERCHANGEABLE
NOZZLE,SPRAY,FLUID-EMULSION
3351009
2915-00-449-1812INTERCHANGEABLE
VANE,CARBON,FUEL PUMP
6240-00-519-0264INTERCHANGEABLE
LAMP,INCANDESCENT
1M5899
4920-00-646-8957INTERCHANGEABLE
VALVE,MANIFOLD,HIGH
4-579
4730-00-908-6292INTERCHANGEABLE
CLAMP,HOSE
1680-01-074-2320INTERCHANGEABLE
WIPER ASSEMBLY,SEAT TRACK
4579
9330-01-151-4894INTERCHANGEABLE
PLASTIC SHEET,TRACING
457-9
5660-01-436-6613INTERCHANGEABLE
POST,FENCE,METAL
5660-01-436-6618INTERCHANGEABLE
POST,FENCE,METAL

Frequently Asked Questions

What is NSN 2520-00-587-9758?

NSN 2520-00-587-9758 is a Disc,friction, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 2520 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2520-00-587-9758?

NSN 2520-00-587-9758 has 9 cross-referenced part numbers: 4579 (Koehring Co Lorain Div), 4579 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 4579 (Jaeger Machine Co), 4579DX (Koehring Co Lorain Div), 4579 (Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co) and 4 more.

What NSN replaces 2520-00-587-9758?

There are 12 known substitutes for 2520-00-587-9758: 5975-00-012-3436, 5910-00-071-9922, 5940-00-204-5582 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 2520-00-587-9758 still in active supply?

NSN 2520-00-587-9758 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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