PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44297Bearing Half,sleeve

Cummins Inc. · NSN 3120-00-815-3101 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-815-3101 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-815-3101. Primary manufacturer part number: 44297.
Features
  • Bearing Half,sleeve — FSC 3120
  • Locking Lug Width: 0.1050 INCHES MINIMUM AND 0.1180 INCHES MAXIMUM IN
  • Material Document and Classification: UNABLE TO DECODE
  • Style Designator: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
  • Material: OIL LUBRICATING LUBRICATION
  • Surface Treatment: LEAD OVERALL
  • Locking Lug Length: 0.2200 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
  • Locking Lug Height: 0.0550 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN
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 3120-00-815-3101, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-815-3101
Primary Part Number44297
Item NameBearing Half,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerCummins Inc.
StatusACTIVE
Locking Lug Width0.1050 INCHES MINIMUM AND 0.1180 INCHES MAXIMUM IN
Material Document and ClassificationUNABLE TO DECODE
Style DesignatorHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
MaterialOIL LUBRICATING LUBRICATION
Surface TreatmentLEAD OVERALL
Locking Lug Length0.2200 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
Locking Lug Height0.0550 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN
MaterialCOPPER ALLOY INNER LAYER
Body Inside Diameter3.8778 INCHES MINIMUM AND 3.8788 INCHES MAXIMUM IN
Distance From Lug End to End of Bearing0.1250 INCHES MINIMUM AND 0.1300 INCHES MAXIMUM IN
Body Outside Diameter4.1250 INCHES NOMINAL IN
Corner ShapeSQUARE ALL CORNERS
Material Document and ClassificationUNABLE TO DECODE
MaterialSTEEL COMP 1010 OUTER LAYER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5985-00-009-6493 INTERCHANGEABLE
Isolator,radio Frequency Reflect
5210-00-122-5599599-578-9999 INTERCHANGEABLE
Case,dial Caliper
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5330-00-252-3612 INTERCHANGEABLE
Gasket
5950-00-501-206844297 INTERCHANGEABLE
Transformer,power
Freed Transformer Co
5340-00-740-20764-4297 INTERCHANGEABLE
Spring Compression
General Motors Corp
7520-01-351-9146421248 INTERCHANGEABLE
Marker,tube Type
Visual Systems Co Inc
3020-01-526-733544297 INTERCHANGEABLE
Gear,spur
Bourns Inc
Cross-Reference Index
Part NumberManufacturer
44297 PRIMARY Cummins Inc. (USA)
QPL11276 Cecom Lr Center (USA)
MILE11276 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5985-00-009-6493INTERCHANGEABLE
ISOLATOR,RADIO FREQUENCY REFLECT
5210-00-122-5599INTERCHANGEABLE
CASE,DIAL CALIPER
599-578-9999
5330-00-252-3612INTERCHANGEABLE
GASKET
5950-00-501-2068INTERCHANGEABLE
TRANSFORMER,POWER
44297
5340-00-740-2076INTERCHANGEABLE
SPRING COMPRESSION
4-4297
7520-01-351-9146INTERCHANGEABLE
MARKER,TUBE TYPE
421248
3020-01-526-7335INTERCHANGEABLE
GEAR,SPUR
44297

Frequently Asked Questions

What is NSN 3120-00-815-3101?

NSN 3120-00-815-3101 is a Bearing Half,sleeve, manufactured by Cummins Inc., classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-815-3101?

NSN 3120-00-815-3101 has 3 cross-referenced part numbers: 44297 (Cummins Inc.), QPL11276 (Cecom Lr Center), MILE11276 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 3120-00-815-3101?

There are 7 known substitutes for 3120-00-815-3101: 5985-00-009-6493, 5210-00-122-5599, 5330-00-252-3612 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 44297?

Key specifications for 44297: Locking Lug Width: 0.1050 INCHES MINIMUM AND 0.1180 INCHES MAXIMUM IN; Material Document and Classification: UNABLE TO DECODE; Style Designator: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES; Material: OIL LUBRICATING LUBRICATION. 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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