PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D142Bearing,sleeve

Koehring Co Lorain Div · NSN 3120-00-352-5730 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-352-5730 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-352-5730. Primary manufacturer part number: D142.
Features
  • Bearing,sleeve — FSC 3120
  • Lubricant Accommodation Style: GROOVED OPEN BOTH ENDS
  • Flange Outside Diameter: 6.6150 INCHES MINIMUM AND 6.6350 INCHES MAXIMUM IN
  • Body Inside Diameter: 5.0044 INCHES MINIMUM AND 5.0066 INCHES MAXIMUM IN
  • Flange Width: 0.3070 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
  • Body Outside Diameter: 5.6272 INCHES MINIMUM AND 5.6294 INCHES MAXIMUM IN
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Corner Shape: SQUARE INSIDE LEFT CORNER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy 937 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-352-5730, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Koehring Co Lorain Div. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-352-5730
Primary Part NumberD142
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerKoehring Co Lorain Div
StatusACTIVE
Lubricant Accommodation StyleGROOVED OPEN BOTH ENDS
Flange Outside Diameter6.6150 INCHES MINIMUM AND 6.6350 INCHES MAXIMUM IN
Body Inside Diameter5.0044 INCHES MINIMUM AND 5.0066 INCHES MAXIMUM IN
Flange Width0.3070 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
Body Outside Diameter5.6272 INCHES MINIMUM AND 5.6294 INCHES MAXIMUM IN
Corner ShapeSQUARE INSIDE RIGHT CORNER
Corner ShapeSQUARE INSIDE LEFT CORNER
MaterialCOPPER ALLOY 937 OVERALL
Corner ShapeROUND LEFT FLANGE BODY CORNER
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Corner ShapeCHAMFERED OUTSIDE RIGHT CORNER
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Surface Groove Location and Quantity2 INTERNAL
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3020-00-517-0618D142 INTERCHANGEABLE
Gear,helical
Fairbanks Morse, Llc
4910-01-345-9422 INTERCHANGEABLE
Installation Tool
Cross-Reference Index
Part NumberManufacturer
D142 Koehring Co Lorain Div (USA)
D142 Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA)
Related Parts
3020-00-517-0618INTERCHANGEABLE
GEAR,HELICAL
D142
4910-01-345-9422INTERCHANGEABLE
INSTALLATION TOOL

Frequently Asked Questions

What is NSN 3120-00-352-5730?

NSN 3120-00-352-5730 is a Bearing,sleeve, manufactured by Koehring Co Lorain Div, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-352-5730?

NSN 3120-00-352-5730 has 2 cross-referenced part numbers: D142 (Koehring Co Lorain Div), D142 (Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co).

What NSN replaces 3120-00-352-5730?

There are 2 known substitutes for 3120-00-352-5730: 3020-00-517-0618, 4910-01-345-9422. Verify interchangeability with system specifications before substitution.

What are the specifications of D142?

Key specifications for D142: Lubricant Accommodation Style: GROOVED OPEN BOTH ENDS; Flange Outside Diameter: 6.6150 INCHES MINIMUM AND 6.6350 INCHES MAXIMUM IN; Body Inside Diameter: 5.0044 INCHES MINIMUM AND 5.0066 INCHES MAXIMUM IN; Flange Width: 0.3070 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN. 17 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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