PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X-A-5059Collar,shaft Linkage

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · NSN 2520-00-366-7191 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-366-7191 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-366-7191. Primary manufacturer part number: X-A-5059.
Features
  • Collar,shaft Linkage — FSC 2520
  • General Characteristics Item Description: STEEL,INT THREADED SHAFT COLLAR,UN 2.250-16 RH,OD 2.725 IN.,0.750 IN.THK; 4 IDENTICAL CLEVIS TYPE LINKAGE FACILITIES,CLEVISS W 0.814 IN.,CTR SLOT W 0.315 IN.,CTR SLOT DP 0.725 IN.,CLVEVIS HOLE DIA 0.315 IN; PERIPHERAL LUG HAS 0.315 IN. DIA THRU HOLE IN
  • 7 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 Collar,shaft Linkage, cataloged under National Stock Number 2520-00-366-7191, 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 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2520-00-366-7191
Primary Part NumberX-A-5059
Item NameCollar,shaft Linkage
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusACTIVE
General Characteristics Item DescriptionSTEEL,INT THREADED SHAFT COLLAR,UN 2.250-16 RH,OD 2.725 IN.,0.750 IN.THK; 4 IDENTICAL CLEVIS TYPE LINKAGE FACILITIES,CLEVISS W 0.814 IN.,CTR SLOT W 0.315 IN.,CTR SLOT DP 0.725 IN.,CLVEVIS HOLE DIA 0.315 IN; PERIPHERAL LUG HAS 0.315 IN. DIA THRU HOLE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-080-24291820660 INTERCHANGEABLE
Bit,screwdriver
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5133-00-113-4845 INTERCHANGEABLE
Drill,twist
5133-00-113-4846 INTERCHANGEABLE
Drill,twist
5310-00-177-12933206 INTERCHANGEABLE
Washer,spring Tension
Aerocontrolex Group, Inc. Div Talley Actuators
3110-00-198-02815206W INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
3010-00-362-29513951 INTERCHANGEABLE
Pressure Plate Assembly,clutch
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
3010-00-431-9280CX106C001 INTERCHANGEABLE
Clutch Assembly,friction
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
3110-00-554-3197 INTERCHANGEABLE
Bearing,ball,annular
5945-00-564-3661325 INTERCHANGEABLE
Relay,electrical
Eaton Corp Opns & Technical Center
5310-00-596-45993206 INTERCHANGEABLE
Washer,keyway
Avox Systems Inc Dba Avox Systems Inc
Cross-Reference Index
Part NumberManufacturer
X-A-5059 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
3206 Heil Environmental Industries (USA)
1681420 Heil Environmental Industries (USA)
E980049 Terex American Crane Corp (USA)
E980049 American Hoist and Derrick Co
62980D Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
306 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
Related Parts
5120-00-080-2429INTERCHANGEABLE
BIT,SCREWDRIVER
1820660
5133-00-113-4845INTERCHANGEABLE
DRILL,TWIST
5133-00-113-4846INTERCHANGEABLE
DRILL,TWIST
5310-00-177-1293INTERCHANGEABLE
WASHER,SPRING TENSION
3206
3110-00-198-0281INTERCHANGEABLE
BEARING,BALL,ANNULAR
5206W
3010-00-362-2951INTERCHANGEABLE
PRESSURE PLATE ASSEMBLY,CLUTCH
3951
3010-00-431-9280INTERCHANGEABLE
CLUTCH ASSEMBLY,FRICTION
CX106C001
3110-00-554-3197INTERCHANGEABLE
BEARING,BALL,ANNULAR
5945-00-564-3661INTERCHANGEABLE
RELAY,ELECTRICAL
325
5310-00-596-4599INTERCHANGEABLE
WASHER,KEYWAY
3206
2530-00-872-9301INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
F35325
5340-00-896-6726INTERCHANGEABLE
CLAMP,BRIDGE
3206

Frequently Asked Questions

What is NSN 2520-00-366-7191?

NSN 2520-00-366-7191 is a Collar,shaft Linkage, 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 2520-00-366-7191?

NSN 2520-00-366-7191 has 7 cross-referenced part numbers: X-A-5059 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 3206 (Heil Environmental Industries), 1681420 (Heil Environmental Industries), E980049 (Terex American Crane Corp), E980049 (American Hoist and Derrick Co) and 2 more.

What NSN replaces 2520-00-366-7191?

There are 12 known substitutes for 2520-00-366-7191: 5120-00-080-2429, 5133-00-113-4845, 5133-00-113-4846 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of X-A-5059?

Key specifications for X-A-5059: General Characteristics Item Description: STEEL,INT THREADED SHAFT COLLAR,UN 2.250-16 RH,OD 2.725 IN.,0.750 IN.THK; 4 IDENTICAL CLEVIS TYPE LINKAGE FACILITIES,CLEVISS W 0.814 IN.,CTR SLOT W 0.315 IN.,CTR SLOT DP 0.725 IN.,CLVEVIS HOLE DIA 0.315 IN; PERIPHERAL LUG HAS 0.315 IN. DIA THRU HOLE IN; End Item Identification: GASOLINE ENGINE,WISCONSIN MODEL VP4D; GRUMMAN AIRCRAFT,MODEL A10. 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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