PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3A4566Synchronizer,transmission

Link-Belt Cranes, L.p., Lllp · NSN 2520-01-222-5481 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-01-222-5481 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-222-5481. Primary manufacturer part number: 3A4566.
Features
  • Synchronizer,transmission — FSC 2520
  • General Characteristics Item Description: SPLINED ON OUTSIDE CIRCUMFERENCE; USED ON OUTPUT SHAFT ASSEMBLY; STRAIGHT THRU BORE
  • 3 verified cross-references
  • Primary manufacturer: Link-Belt Cranes, L.p., Lllp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Synchronizer,transmission, cataloged under National Stock Number 2520-01-222-5481, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Link-Belt Cranes, L.p., Lllp. 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2520-01-222-5481
Primary Part Number3A4566
Item NameSynchronizer,transmission
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerLink-Belt Cranes, L.p., Lllp
StatusACTIVE
General Characteristics Item DescriptionSPLINED ON OUTSIDE CIRCUMFERENCE; USED ON OUTPUT SHAFT ASSEMBLY; STRAIGHT THRU BORE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5935-00-027-95471825 INTERCHANGEABLE
Plug,tip
Fluke Electronics Corp
2530-00-083-117518250 INTERCHANGEABLE
Brake Shoe
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
3110-00-156-67647204W INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
5935-00-476-6322151-N3800B-85 INTERCHANGEABLE
Connector,receptacle,electrical
Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector
5360-00-597-829518250 INTERCHANGEABLE
Spring,helical,compression
Morris Material Handling, Inc.
5305-00-958-5460MS35190-242 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
9905-01-044-7620 INTERCHANGEABLE
Plate,instruction
5935-01-132-5318 INTERCHANGEABLE
Plug,tip
Cross-Reference Index
Part NumberManufacturer
3A4566 PRIMARY Link-Belt Cranes, L.p., Lllp (USA)
18250 Dana Commercial Vehicle Products, Llc (USA)
18250 Eaton Corp Transmission Div (USA)
Related Parts
5935-00-027-9547INTERCHANGEABLE
PLUG,TIP
1825
2530-00-083-1175INTERCHANGEABLE
BRAKE SHOE
18250
3110-00-156-6764INTERCHANGEABLE
BEARING,BALL,ANNULAR
7204W
5935-00-476-6322INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
151-N3800B-85
5360-00-597-8295INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
18250
5305-00-958-5460INTERCHANGEABLE
SCREW,MACHINE
MS35190-242
9905-01-044-7620INTERCHANGEABLE
PLATE,INSTRUCTION
5935-01-132-5318INTERCHANGEABLE
PLUG,TIP

Frequently Asked Questions

What is NSN 2520-01-222-5481?

NSN 2520-01-222-5481 is a Synchronizer,transmission, manufactured by Link-Belt Cranes, L.p., Lllp, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-01-222-5481?

NSN 2520-01-222-5481 has 3 cross-referenced part numbers: 3A4566 (Link-Belt Cranes, L.p., Lllp), 18250 (Dana Commercial Vehicle Products, Llc), 18250 (Eaton Corp Transmission Div).

What NSN replaces 2520-01-222-5481?

There are 8 known substitutes for 2520-01-222-5481: 5935-00-027-9547, 2530-00-083-1175, 3110-00-156-6764 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3A4566?

Key specifications for 3A4566: General Characteristics Item Description: SPLINED ON OUTSIDE CIRCUMFERENCE; USED ON OUTPUT SHAFT ASSEMBLY; STRAIGHT THRU BORE; End Item Identification: 3950-01-110-9224. 2 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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