PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2803K557Bearing,washer,thrust

Meritor Heavy Vehicle Systems, Llc · NSN 3120-00-619-2231 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-619-2231 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-619-2231. Primary manufacturer part number: 2803K557.
Features
  • Bearing,washer,thrust — FSC 3120
  • Material: STEEL COMP 1045 OVERALL
  • Corner Shape: SQUARE FIRST OUTSIDE CORNER
  • Corner Shape: CHAMFERED FIRST INSIDE CORNER
  • Corner Shape: CHAMFERED SECOND INSIDE CORNER
  • Style Designator: ROUND
  • Corner Shape: SQUARE SECOND OUTSIDE CORNER
  • Surface Condition: GROUND
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Structural fastening and assembly
  • Equipment mounting
General Description

The Bearing,washer,thrust, cataloged under National Stock Number 3120-00-619-2231, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Meritor Heavy Vehicle Systems, Llc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-619-2231
Primary Part Number2803K557
Item NameBearing,washer,thrust
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerMeritor Heavy Vehicle Systems, Llc
StatusCANCELLED
MaterialSTEEL COMP 1045 OVERALL
Corner ShapeSQUARE FIRST OUTSIDE CORNER
Corner ShapeCHAMFERED FIRST INSIDE CORNER
Corner ShapeCHAMFERED SECOND INSIDE CORNER
Style DesignatorROUND
Corner ShapeSQUARE SECOND OUTSIDE CORNER
Surface ConditionGROUND
Outside Diameter2.5000 INCHES NOMINAL IN
Overall Thickness0.1930 INCHES MINIMUM AND 0.1950 INCHES MAXIMUM IN
Diameter2.0310 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5305-00-054-6672 INTERCHANGEABLE
Screw,machine
5360-00-499-55817318-2 INTERCHANGEABLE
Spring,helical,compression
Cummins Inc.
2030-01-467-133173182 INTERCHANGEABLE
Winch,boat Davit
Palfinger Marine Usa, Llc
Cross-Reference Index
Part NumberManufacturer
6192231 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
362SP65 Mack Trucks Inc Parts Opn (USA)
397547 White Motor Corp (USA)
245325 Brockway Motor Trucks Div of Mack Trucks Inc (USA)
73182 Little Giant Crane and Shovel Inc (USA)
2803K557 Meritor Industrial Products, Llc (USA)
2803K557 Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA)
2803K557 Paccar Government Group Co Yarrow Bay Office Pk (USA)
2803K557 PRIMARY Meritor Heavy Vehicle Systems, Llc (USA)
397547 Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA)
360T5 Diamond Reo Truck Co (USA)
Related Parts
5305-00-054-6672INTERCHANGEABLE
SCREW,MACHINE
5360-00-499-5581INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
7318-2
2030-01-467-1331INTERCHANGEABLE
WINCH,BOAT DAVIT
73182

Frequently Asked Questions

What is NSN 3120-00-619-2231?

NSN 3120-00-619-2231 is a Bearing,washer,thrust, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-619-2231?

NSN 3120-00-619-2231 has 11 cross-referenced part numbers: 6192231 (U S Army Tank Automotive Command Amsta-Im-Mm), 362SP65 (Mack Trucks Inc Parts Opn), 397547 (White Motor Corp), 245325 (Brockway Motor Trucks Div of Mack Trucks Inc), 73182 (Little Giant Crane and Shovel Inc) and 6 more.

What NSN replaces 3120-00-619-2231?

There are 3 known substitutes for 3120-00-619-2231: 5305-00-054-6672, 5360-00-499-5581, 2030-01-467-1331. Verify interchangeability with system specifications before substitution.

What are the specifications of 2803K557?

Key specifications for 2803K557: Special Features: FIRST INSIDE CORNER CHAMFERED 0.052 MIN.,0.062 IN.MAX BY 45 DEG IN; Material: STEEL COMP 1045 OVERALL; Corner Shape: SQUARE FIRST OUTSIDE CORNER; Corner Shape: CHAMFERED FIRST INSIDE CORNER. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-619-2231 still in active supply?

NSN 3120-00-619-2231 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.
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