PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C1451-6Bearing,sleeve

American Standard Inc Westinghouse Air Brake Co Div · NSN 3120-00-424-0545 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-424-0545 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-424-0545. Primary manufacturer part number: C1451-6.
Features
  • Bearing,sleeve — FSC 3120
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Hardness Rating: 55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Corner Shape: SQUARE ALL CORNERS
  • Body Outside Diameter: 2.0180 INCHES MINIMUM AND 2.0220 INCHES MAXIMUM IN
  • Body Inside Diameter: 1.5470 INCHES MINIMUM AND 1.5780 INCHES MAXIMUM IN
  • Features Provided: CASEHARDENED
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 1020 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-424-0545, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is American Standard Inc Westinghouse Air Brake Co Div. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-424-0545
Primary Part NumberC1451-6
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerAmerican Standard Inc Westinghouse Air Brake Co Div
StatusACTIVE
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Hardness Rating55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Corner ShapeSQUARE ALL CORNERS
Body Outside Diameter2.0180 INCHES MINIMUM AND 2.0220 INCHES MAXIMUM IN
Body Inside Diameter1.5470 INCHES MINIMUM AND 1.5780 INCHES MAXIMUM IN
Features ProvidedCASEHARDENED
MaterialSTEEL COMP 1020 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5950-01-129-14914071065-01 INTERCHANGEABLE
Transformer,power
Power Paragon Inc Dba Air Borne Power Div Airborne Power
Cross-Reference Index
Part NumberManufacturer
C1451-6 American Standard Inc Westinghouse Air Brake Co Div (USA)
C1451 American Standard Inc Westinghouse Air Brake Co Div (USA)
Related Parts
5950-01-129-1491INTERCHANGEABLE
TRANSFORMER,POWER
4071065-01

Frequently Asked Questions

What is NSN 3120-00-424-0545?

NSN 3120-00-424-0545 is a Bearing,sleeve, manufactured by American Standard Inc Westinghouse Air Brake Co Div, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-424-0545?

NSN 3120-00-424-0545 has 2 cross-referenced part numbers: C1451-6 (American Standard Inc Westinghouse Air Brake Co Div), C1451 (American Standard Inc Westinghouse Air Brake Co Div).

What NSN replaces 3120-00-424-0545?

There is 1 known substitute for 3120-00-424-0545: 5950-01-129-1491. Verify interchangeability with system specifications before substitution.

What are the specifications of C1451-6?

Key specifications for C1451-6: Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 1.2190 INCHES MINIMUM AND 1.2810 INCHES MAXIMUM IN; Hardness Rating: 55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 9 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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