PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

KB4Bearing,plain,rod End

Sargent Aerospace & Defense, Llc Dba Kahr Bearings · NSN 3120-00-027-0250 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-027-0250 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-027-0250. Primary manufacturer part number: KB4.
Features
  • Bearing,plain,rod End — FSC 3120
  • 1 verified cross-reference
  • Primary manufacturer: Sargent Aerospace & Defense, Llc Dba Kahr Bearings
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,plain,rod End, cataloged under National Stock Number 3120-00-027-0250, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Sargent Aerospace & Defense, Llc Dba Kahr Bearings. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing,plain,rod End
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersSargent Aerospace & Defense, Llc Dba Kahr Bearings (CAGE 97613)
Technical Specifications
ParameterValue
NSN3120-00-027-0250
Primary Part NumberKB4
Item NameBearing,plain,rod End
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerSargent Aerospace & Defense, Llc Dba Kahr Bearings
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5120-01-355-1911 INTERCHANGEABLE
Handle,socket Wrench
5996-01-618-2638 INTERCHANGEABLE
Amplifier,audio Frequency
Cross-Reference Index
Part NumberManufacturer
KB4 PRIMARY Sargent Aerospace & Defense, Llc Dba Kahr Bearings (USA)
Related Parts
5120-01-355-1911INTERCHANGEABLE
HANDLE,SOCKET WRENCH
5996-01-618-2638INTERCHANGEABLE
AMPLIFIER,AUDIO FREQUENCY

Frequently Asked Questions

What is NSN 3120-00-027-0250?

NSN 3120-00-027-0250 is a Bearing,plain,rod End, manufactured by Sargent Aerospace & Defense, Llc Dba Kahr Bearings, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-027-0250?

NSN 3120-00-027-0250 has 1 cross-referenced part number: KB4 (Sargent Aerospace & Defense, Llc Dba Kahr Bearings).

What NSN replaces 3120-00-027-0250?

There are 2 known substitutes for 3120-00-027-0250: 5120-01-355-1911, 5996-01-618-2638. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com