PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14139ABearing,sleeve

Komatsu America Corporation · NSN 3120-00-355-2622 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-355-2622 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-355-2622. Primary manufacturer part number: 14139A.
Features
  • Bearing,sleeve — FSC 3120
  • 4 verified cross-references
  • Primary manufacturer: Komatsu America Corporation
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-355-2622, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Komatsu America Corporation. This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameBearing,sleeve
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersKomatsu America Corporation (CAGE 23926)
Technical Specifications
ParameterValue
NSN3120-00-355-2622
Primary Part Number14139A
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerKomatsu America Corporation
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5342-00-090-307553-61 INTERCHANGEABLE
Bracket
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
3110-00-100-986514139 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
4820-00-354-2871 INTERCHANGEABLE
Disk,valve
5365-00-530-1848 INTERCHANGEABLE
Spacer,ring
6115-00-569-426314139 INTERCHANGEABLE
Winding,e,citer
Electric Machinery Dresser Industries Inc
2530-00-700-14057001405 INTERCHANGEABLE
Hub
U S Army Tank Automotive Command Amsta-Im-Mm
6625-00-802-8361 INTERCHANGEABLE
Resistance Standard
5120-01-179-483714139 INTERCHANGEABLE
Wrench,socket
Dana Commercial Vehicle Products, Llc
Cross-Reference Index
Part NumberManufacturer
R14139 Komatsu America Corporation (USA)
R14139A Komatsu America Corporation (USA)
14139 Komatsu America Corporation (USA)
14139A PRIMARY Komatsu America Corporation (USA)
Related Parts
5342-00-090-3075INTERCHANGEABLE
BRACKET
53-61
3110-00-100-9865INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
14139
4820-00-354-2871INTERCHANGEABLE
DISK,VALVE
5365-00-530-1848INTERCHANGEABLE
SPACER,RING
6115-00-569-4263INTERCHANGEABLE
WINDING,E,CITER
14139
2530-00-700-1405INTERCHANGEABLE
HUB
7001405
6625-00-802-8361INTERCHANGEABLE
RESISTANCE STANDARD
5120-01-179-4837INTERCHANGEABLE
WRENCH,SOCKET
14139

Frequently Asked Questions

What is NSN 3120-00-355-2622?

NSN 3120-00-355-2622 is a Bearing,sleeve, manufactured by Komatsu America Corporation, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-355-2622?

NSN 3120-00-355-2622 has 4 cross-referenced part numbers: R14139 (Komatsu America Corporation), R14139A (Komatsu America Corporation), 14139 (Komatsu America Corporation), 14139A (Komatsu America Corporation).

What NSN replaces 3120-00-355-2622?

There are 8 known substitutes for 3120-00-355-2622: 5342-00-090-3075, 3110-00-100-9865, 4820-00-354-2871 and 5 more. Verify interchangeability with system specifications before substitution.

Is NSN 3120-00-355-2622 still in active supply?

NSN 3120-00-355-2622 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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