PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SMB157388Bearing,sleeve

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 3120-00-692-6842 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-692-6842 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-692-6842. Primary manufacturer part number: SMB157388.
Features
  • Bearing,sleeve — FSC 3120
  • Flange Outside Diameter: 0.2969 INCHES MINIMUM AND 0.3281 INCHES MAXIMUM IN
  • Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
  • Surface Finish: 125.0 MICROINCHES OVERALL
  • Style Designator: SOLID, EXTERNAL FLANGE ONE END
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Corner Shape: SQUARE OUTSIDE RIGHT CORNER
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 316 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-692-6842, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 13 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-692-6842
Primary Part NumberSMB157388
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Flange Outside Diameter0.2969 INCHES MINIMUM AND 0.3281 INCHES MAXIMUM IN
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Surface Finish125.0 MICROINCHES OVERALL
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Corner ShapeSQUARE INSIDE RIGHT CORNER
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Corner ShapeSQUARE INSIDE LEFT CORNER
MaterialSTEEL COMP 316 OVERALL
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Body Inside Diameter0.1390 INCHES MINIMUM AND 0.1490 INCHES MAXIMUM IN
Flange Width0.0156 INCHES MINIMUM AND 0.0469 INCHES MAXIMUM IN
Body Outside Diameter0.1875 INCHES MINIMUM AND 0.1975 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5950-00-401-765952860 INTERCHANGEABLE
Transformer,radio Frequency
L3harris Technologies, Inc Div Space & Airborne Systems
Cross-Reference Index
Part NumberManufacturer
SMB157388 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
52860 Kleinschmidt Inc (USA)
Related Parts
5950-00-401-7659INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
52860

Frequently Asked Questions

What is NSN 3120-00-692-6842?

NSN 3120-00-692-6842 is a Bearing,sleeve, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-692-6842?

NSN 3120-00-692-6842 has 2 cross-referenced part numbers: SMB157388 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 52860 (Kleinschmidt Inc).

What NSN replaces 3120-00-692-6842?

There is 1 known substitute for 3120-00-692-6842: 5950-00-401-7659. Verify interchangeability with system specifications before substitution.

What are the specifications of SMB157388?

Key specifications for SMB157388: Flange Outside Diameter: 0.2969 INCHES MINIMUM AND 0.3281 INCHES MAXIMUM IN; Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER; Surface Finish: 125.0 MICROINCHES OVERALL; Style Designator: SOLID, EXTERNAL FLANGE ONE END. 14 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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