PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44387Bearing Half,sleeve

Cummins Inc. · NSN 3120-00-090-5504 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-090-5504 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-090-5504. Primary manufacturer part number: 44387.
Features
  • Bearing Half,sleeve — FSC 3120
  • Surface Treatment: LEAD ALLOY OVERALL
  • Material: OIL LUBRICATING LUBRICATION
  • Material Document and Classification: UNABLE TO DECODE
  • Material: STEEL COMP 1015 INNER LAYER
  • Lubricant Accommodation Style: GROOVED CIRCULAR
  • Surface Groove Location and Quantity: 1 INTERNAL
  • Corner Shape: SQUARE ALL CORNERS
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Oil Lubricating Lubrication construction
General Description

The Bearing Half,sleeve, cataloged under National Stock Number 3120-00-090-5504, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-090-5504
Primary Part Number44387
Item NameBearing Half,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerCummins Inc.
StatusCANCELLED
Surface TreatmentLEAD ALLOY OVERALL
MaterialOIL LUBRICATING LUBRICATION
Material Document and ClassificationUNABLE TO DECODE
MaterialSTEEL COMP 1015 INNER LAYER
Lubricant Accommodation StyleGROOVED CIRCULAR
Surface Groove Location and Quantity1 INTERNAL
Corner ShapeSQUARE ALL CORNERS
Antirotation/lubrication Type and Quantity1 HOLE
Style DesignatorHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
MaterialSTEEL COMP 1015 OUTER LAYER
Body Inside Diameter4.4990 INCHES MINIMUM AND 4.5000 INCHES MAXIMUM IN
Hole Diameter0.3125 INCHES NOMINAL FIRST IN
Body Outside Diameter4.7450 INCHES MINIMUM AND 4.7475 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
3110-00-143-75374172212850 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Dressta North America Ltd
6105-01-045-512844387 INTERCHANGEABLE
Brush Block Assy,si
Electro-Tec Corp Dba Moog Inc., Components Group
6150-01-105-918736885-5LP INTERCHANGEABLE
Cable Assembly,power,electrical
Setra Systems, Inc. Dba Gems Sensors
2925-01-161-5596 INTERCHANGEABLE
Vibrator,ignition Coil
5962-01-178-248542690 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
5365-01-354-794742690 INTERCHANGEABLE
Bushing Blank
Brunswick Corp Dba Mercury Marine Div Mercury Marine
2925-01-394-565044387 INTERCHANGEABLE
Exciter,ignition,sp
Unison Industries Llc
4720-01-432-063742690 INTERCHANGEABLE
Tubing,nonmetallic
Dionex Corporation
Cross-Reference Index
Part NumberManufacturer
44387 PRIMARY Cummins Inc. (USA)
42690 PRIMARY Cummins Inc. (USA)
44387 Jpi Transportation Products Inc (USA)
MB1606PU Jpi Transportation Products Inc (USA)
Related Parts
3110-00-143-7537INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
4172212850
6105-01-045-5128INTERCHANGEABLE
BRUSH BLOCK ASSY,SI
44387
6150-01-105-9187INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
36885-5LP
2925-01-161-5596INTERCHANGEABLE
VIBRATOR,IGNITION COIL
5962-01-178-2485INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
42690
5365-01-354-7947INTERCHANGEABLE
BUSHING BLANK
42690
2925-01-394-5650INTERCHANGEABLE
EXCITER,IGNITION,SP
44387
4720-01-432-0637INTERCHANGEABLE
TUBING,NONMETALLIC
42690

Frequently Asked Questions

What is NSN 3120-00-090-5504?

NSN 3120-00-090-5504 is a Bearing Half,sleeve, manufactured by Cummins Inc., classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-090-5504?

NSN 3120-00-090-5504 has 4 cross-referenced part numbers: 44387 (Cummins Inc.), 42690 (Cummins Inc.), 44387 (Jpi Transportation Products Inc), MB1606PU (Jpi Transportation Products Inc).

What NSN replaces 3120-00-090-5504?

There are 8 known substitutes for 3120-00-090-5504: 3110-00-143-7537, 6105-01-045-5128, 6150-01-105-9187 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 44387?

Key specifications for 44387: Surface Treatment: LEAD ALLOY OVERALL; Material: OIL LUBRICATING LUBRICATION; Material Document and Classification: UNABLE TO DECODE; Material: STEEL COMP 1015 INNER LAYER. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-090-5504 still in active supply?

NSN 3120-00-090-5504 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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