PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A11402Bearing,sleeve

Control Flow, Inc. Dba Control Flow Inc · NSN 3120-00-588-6387 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-588-6387 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-588-6387. Primary manufacturer part number: A11402.
Features
  • Bearing,sleeve — FSC 3120
  • Body Inside Diameter: 20.5250 INCHES MINIMUM AND 20.5270 INCHES MAXIMUM IN
  • Material: OIL LUBRICATING LUBRICATION
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Surface Groove Location and Quantity: 5 INTERNAL
  • Corner Shape: SQUARE ALL CORNERS
  • Material Document and Classification: MIL-L-11773 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
  • Material: COPPER ALLOY OVERALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Oil Lubricating Lubrication construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-588-6387, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Control Flow, Inc. Dba Control Flow Inc. Government technical data includes 9 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
NSN3120-00-588-6387
Primary Part NumberA11402
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerControl Flow, Inc. Dba Control Flow Inc
StatusACTIVE
Body Inside Diameter20.5250 INCHES MINIMUM AND 20.5270 INCHES MAXIMUM IN
MaterialOIL LUBRICATING LUBRICATION
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Surface Groove Location and Quantity5 INTERNAL
Corner ShapeSQUARE ALL CORNERS
Material Document and ClassificationMIL-L-11773 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
MaterialCOPPER ALLOY OVERALL
Lubricant Accommodation StyleGROOVED OPEN BOTH ENDS AND GROOVED CIRCULAR
Body Outside Diameter21.2600 INCHES MINIMUM AND 21.2620 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5930-00-163-25469571 INTERCHANGEABLE
Switch,thermostatic
Schneider Metal Mfg Co Inc Ross Temp Div
3120-00-585-1059 INTERCHANGEABLE
Bearing,sleeve
Cross-Reference Index
Part NumberManufacturer
A11402 Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (USA)
A11402 PRIMARY Control Flow, Inc. Dba Control Flow Inc (USA)
Related Parts
5930-00-163-2546INTERCHANGEABLE
SWITCH,THERMOSTATIC
9571
3120-00-585-1059INTERCHANGEABLE
BEARING,SLEEVE

Frequently Asked Questions

What is NSN 3120-00-588-6387?

NSN 3120-00-588-6387 is a Bearing,sleeve, manufactured by Control Flow, Inc. Dba Control Flow Inc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-588-6387?

NSN 3120-00-588-6387 has 2 cross-referenced part numbers: A11402 (Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division), A11402 (Control Flow, Inc. Dba Control Flow Inc).

What NSN replaces 3120-00-588-6387?

There are 2 known substitutes for 3120-00-588-6387: 5930-00-163-2546, 3120-00-585-1059. Verify interchangeability with system specifications before substitution.

What are the specifications of A11402?

Key specifications for A11402: Overall Length: 4.0000 INCHES NOMINAL IN; Body Inside Diameter: 20.5250 INCHES MINIMUM AND 20.5270 INCHES MAXIMUM IN; Material: OIL LUBRICATING LUBRICATION; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 10 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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