PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15645ABearing,sleeve

Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S · NSN 3120-00-516-9743 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-516-9743 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-516-9743. Primary manufacturer part number: 15645A.
Features
  • Bearing,sleeve — FSC 3120
  • Surface Finish: 32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
  • Material: LUBRICANT LUBRICATION
  • Material: COPPER ALLOY OVERALL
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Surface Finish: 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
  • Body Outside Diameter: 0.1460 INCHES MINIMUM AND 0.1470 INCHES MAXIMUM IN
  • Corner Shape: SQUARE ALL CORNERS
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Lubricant Lubrication construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-516-9743, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S. 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-516-9743
Primary Part Number15645A
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerItt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
StatusCANCELLED
Surface Finish32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
MaterialLUBRICANT LUBRICATION
MaterialCOPPER ALLOY OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Surface Finish32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
Body Outside Diameter0.1460 INCHES MINIMUM AND 0.1470 INCHES MAXIMUM IN
Corner ShapeSQUARE ALL CORNERS
Body Inside Diameter0.0940 INCHES MINIMUM AND 0.0945 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
4820-00-217-281552533A INTERCHANGEABLE
Disk,valve
Lexair Inc
2530-00-350-64925590650 INTERCHANGEABLE
Filter,fluid
U S Army Tank Automotive Command Amsta-Im-Mm
3030-00-555-2950015645 INTERCHANGEABLE
Belt,v
Caterpillar Inc Div Caterpillar Defense
8145-01-229-240015645 INTERCHANGEABLE
Shipping and Storage Container,a
Naval Inventory Control Point
3010-01-306-4114 INTERCHANGEABLE
Gear Assembly,speed Decreaser
3030-01-322-096415645 INTERCHANGEABLE
Belt,v
Carlisle Power Transmission Products Inc
5310-01-580-3799 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
15645 Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S (USA)
15645A PRIMARY Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S (USA)
Related Parts
4820-00-217-2815INTERCHANGEABLE
DISK,VALVE
52533A
2530-00-350-6492INTERCHANGEABLE
FILTER,FLUID
5590650
3030-00-555-2950INTERCHANGEABLE
BELT,V
015645
8145-01-229-2400INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,A
15645
3010-01-306-4114INTERCHANGEABLE
GEAR ASSEMBLY,SPEED DECREASER
3030-01-322-0964INTERCHANGEABLE
BELT,V
15645
5310-01-580-3799INTERCHANGEABLE
NUT,PLAIN,HEXAGON

Frequently Asked Questions

What is NSN 3120-00-516-9743?

NSN 3120-00-516-9743 is a Bearing,sleeve, manufactured by Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-516-9743?

NSN 3120-00-516-9743 has 2 cross-referenced part numbers: 15645 (Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S), 15645A (Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S).

What NSN replaces 3120-00-516-9743?

There are 7 known substitutes for 3120-00-516-9743: 4820-00-217-2815, 2530-00-350-6492, 3030-00-555-2950 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15645A?

Key specifications for 15645A: Surface Finish: 32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY; Material: LUBRICANT LUBRICATION; Material: COPPER ALLOY OVERALL; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-516-9743 still in active supply?

NSN 3120-00-516-9743 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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