PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1K6678Bearing,sleeve

Caterpillar Inc Div Caterpillar Defense · NSN 3120-00-293-6247 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-293-6247 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-293-6247. Primary manufacturer part number: 1K6678.
Features
  • Bearing,sleeve — FSC 3120
  • Material: IRON AND COPPER OVERALL
  • Material Document and Classification: SINTERED 16,FSCM 70417 MFR REF SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Corner Shape: SQUARE ALL CORNERS
  • Body Outside Diameter: 2.7485 INCHES MINIMUM AND 2.7515 INCHES MAXIMUM IN
  • Body Inside Diameter: 2.2565 INCHES MINIMUM AND 2.2595 INCHES MAXIMUM IN
  • 3 verified cross-references
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Iron and Copper Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-293-6247, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 6 verified specifications, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-293-6247
Primary Part Number1K6678
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
MaterialIRON AND COPPER OVERALL
Material Document and ClassificationSINTERED 16,FSCM 70417 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Corner ShapeSQUARE ALL CORNERS
Body Outside Diameter2.7485 INCHES MINIMUM AND 2.7515 INCHES MAXIMUM IN
Body Inside Diameter2.2565 INCHES MINIMUM AND 2.2595 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5905-00-484-3031150-100 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Vernitron Corp Vrn International Div
3110-01-171-1196133121 INTERCHANGEABLE
Bearing,ball
W.w. Grainger, Inc. Div Government Sales Division
5306-01-301-5975 INTERCHANGEABLE
Bolt,internally Relieved Body
5315-01-474-9301 INTERCHANGEABLE
Pin,cotter
Cross-Reference Index
Part NumberManufacturer
133-121 Chrysler Corp Amplex Div (USA)
1K6678 Peterson Tractor Co. (USA)
1K6678 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
5905-00-484-3031INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
150-100
3110-01-171-1196INTERCHANGEABLE
BEARING,BALL
133121
5306-01-301-5975INTERCHANGEABLE
BOLT,INTERNALLY RELIEVED BODY
5315-01-474-9301INTERCHANGEABLE
PIN,COTTER

Frequently Asked Questions

What is NSN 3120-00-293-6247?

NSN 3120-00-293-6247 is a Bearing,sleeve, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-293-6247?

NSN 3120-00-293-6247 has 3 cross-referenced part numbers: 133-121 (Chrysler Corp Amplex Div), 1K6678 (Peterson Tractor Co.), 1K6678 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 3120-00-293-6247?

There are 4 known substitutes for 3120-00-293-6247: 5905-00-484-3031, 3110-01-171-1196, 5306-01-301-5975 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1K6678?

Key specifications for 1K6678: Material: IRON AND COPPER OVERALL; Material Document and Classification: SINTERED 16,FSCM 70417 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Corner Shape: SQUARE ALL CORNERS. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-293-6247 still in active supply?

NSN 3120-00-293-6247 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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