PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet
MRO / Mechanical Power Transmission Equipment / 3020-00-496-2111

4580Gear,internal

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · NSN 3020-00-496-2111 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-496-2111 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-496-2111. Primary manufacturer part number: 4580.
MRO FSG 30 NO ITEM NAME AVAILABLE Technical Drawing
3020-00-496-2111 — No Item Name Available illustration
Features
  • Gear,internal — 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,internal, cataloged under National Stock Number 3020-00-496-2111, 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 2 manufacturers, 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,internal
FSC / FSG3020 — No Item Name Available (FSG 30)
ManufacturersTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic (CAGE 61208); Terex Usa, Llc Dba Terex Equipment Services (CAGE 31245)
Technical Specifications
ParameterValue
NSN3020-00-496-2111
Primary Part Number4580
Item NameGear,internal
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
⇄ Verified Substitutes 12
5815-00-014-600404580 INTERCHANGEABLE
Follower,arm
Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service
5905-00-034-5872 INTERCHANGEABLE
Resistor,fixed,wire Wound
6240-00-054-9329 INTERCHANGEABLE
Lamp,incandescent
3110-00-101-084113268 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Harbormaster Marine, Inc
5307-00-208-74874580 INTERCHANGEABLE
Stud,plain
Brinkley Technology Group Llc Dba Hercules Manufacturing
6240-00-283-99014580 INTERCHANGEABLE
Lamp,incandescent
American National Standards Institute Incorporated Dba American National Standards Institute
5305-00-354-84591384 INTERCHANGEABLE
Setscrew
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
7910-00-389-88334580 INTERCHANGEABLE
Strap,sholder
Winchester Interconnect Ruggedized Corporation Dba Winchester Interconnect
4720-00-575-92261384 INTERCHANGEABLE
Hose Assembly,diesel
Stewart & Stevenson Power Products Llc
5950-00-646-0919SCB33977 INTERCHANGEABLE
Coil,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
4580 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
1-384 Terex Usa, Llc Dba Terex Equipment Services (USA)
Related Parts
5815-00-014-6004INTERCHANGEABLE
FOLLOWER,ARM
04580
5905-00-034-5872INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
6240-00-054-9329INTERCHANGEABLE
LAMP,INCANDESCENT
3110-00-101-0841INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
13268
5307-00-208-7487INTERCHANGEABLE
STUD,PLAIN
4580
6240-00-283-9901INTERCHANGEABLE
LAMP,INCANDESCENT
4580
5305-00-354-8459INTERCHANGEABLE
SETSCREW
1384
7910-00-389-8833INTERCHANGEABLE
STRAP,SHOLDER
4580
4720-00-575-9226INTERCHANGEABLE
HOSE ASSEMBLY,DIESEL
1384
5950-00-646-0919INTERCHANGEABLE
COIL,RADIO FREQUENCY
SCB33977
5940-00-688-7314INTERCHANGEABLE
TERMINAL BOARD
1384
5910-00-726-2299INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
SMC500229

Frequently Asked Questions

What is NSN 3020-00-496-2111?

NSN 3020-00-496-2111 is a Gear,internal, 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 3020-00-496-2111?

NSN 3020-00-496-2111 has 2 cross-referenced part numbers: 4580 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 1-384 (Terex Usa, Llc Dba Terex Equipment Services).

What NSN replaces 3020-00-496-2111?

There are 12 known substitutes for 3020-00-496-2111: 5815-00-014-6004, 5905-00-034-5872, 6240-00-054-9329 and 9 more. Verify interchangeability with system specifications before substitution.

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