PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B40-9LBearing,plain,self-Aligning

Rbc Bearings Incorporated Div West Trenton Division · NSN 3120-00-073-4308 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-073-4308 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-073-4308. Primary manufacturer part number: B40-9L.
Features
  • Bearing,plain,self-Aligning — FSC 3120
  • 8 verified cross-references
  • Primary manufacturer: Rbc Bearings Incorporated Div West Trenton Division
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-00-073-4308, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rbc Bearings Incorporated Div West Trenton Division. This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing,plain,self-Aligning
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersOshkosh Defense Llc (CAGE 75Q65); Rbc Bearings Incorporated Div West Trenton Division (CAGE 51588); Oshkosh Corp (CAGE 45152); Taylor Machine Works Inc (CAGE 27618); Jarp Industries, Inc. Dba Jarp Industries Inc (CAGE 63899)
Technical Specifications
ParameterValue
NSN3120-00-073-4308
Primary Part NumberB40-9L
Item NameBearing,plain,self-Aligning
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerRbc Bearings Incorporated Div West Trenton Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4330-00-074-8627381256R92 INTERCHANGEABLE
Filter Element,fluid
Dressta North America Ltd
Cross-Reference Index
Part NumberManufacturer
2HK158 Oshkosh Defense Llc (USA)
B40-9L PRIMARY Rbc Bearings Incorporated Div West Trenton Division (USA)
2HK158 Oshkosh Corp (USA)
17489P11 Taylor Machine Works Inc (USA)
720004A Oshkosh Corp (USA)
720004A PRIMARY Jarp Industries, Inc. Dba Jarp Industries Inc (USA)
C1664 Rbc Bearings Incorporated Div West Trenton Division (USA)
25SBB40 Timken Co Div the Timken Company (USA)
Related Parts
4330-00-074-8627INTERCHANGEABLE
FILTER ELEMENT,FLUID
381256R92

Frequently Asked Questions

What is NSN 3120-00-073-4308?

NSN 3120-00-073-4308 is a Bearing,plain,self-Aligning, manufactured by Rbc Bearings Incorporated Div West Trenton Division, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-073-4308?

NSN 3120-00-073-4308 has 8 cross-referenced part numbers: 2HK158 (Oshkosh Defense Llc), B40-9L (Rbc Bearings Incorporated Div West Trenton Division), 2HK158 (Oshkosh Corp), 17489P11 (Taylor Machine Works Inc), 720004A (Oshkosh Corp) and 3 more.

What NSN replaces 3120-00-073-4308?

There is 1 known substitute for 3120-00-073-4308: 4330-00-074-8627. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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