PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66308-1Bearing,plain

L3harris Technologies, Inc. Div Space and Airborne Systems · NSN 3120-01-013-2100 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-013-2100 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-013-2100. Primary manufacturer part number: 66308-1.
Features
  • Bearing,plain — FSC 3120
  • 1 verified cross-reference
  • Primary manufacturer: L3harris Technologies, Inc. Div Space and Airborne Systems
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,plain, cataloged under National Stock Number 3120-01-013-2100, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is L3harris Technologies, Inc. Div Space and Airborne Systems. 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
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersL3harris Technologies, Inc. Div Space and Airborne Systems (CAGE 82340)
Technical Specifications
ParameterValue
NSN3120-01-013-2100
Primary Part Number66308-1
Item NameBearing,plain
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Div Space and Airborne Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5999-00-756-316610187814 INTERCHANGEABLE
Contact,electrical
Us Army Aviation and Missile Command
5961-00-894-4694 INTERCHANGEABLE
Rectifier,semiconductor Device
Cross-Reference Index
Part NumberManufacturer
66308-1 PRIMARY L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
Related Parts
5999-00-756-3166INTERCHANGEABLE
CONTACT,ELECTRICAL
10187814
5961-00-894-4694INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE

Frequently Asked Questions

What is NSN 3120-01-013-2100?

NSN 3120-01-013-2100 is a Bearing,plain, manufactured by L3harris Technologies, Inc. Div Space and Airborne Systems, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-013-2100?

NSN 3120-01-013-2100 has 1 cross-referenced part number: 66308-1 (L3harris Technologies, Inc. Div Space and Airborne Systems).

What NSN replaces 3120-01-013-2100?

There are 2 known substitutes for 3120-01-013-2100: 5999-00-756-3166, 5961-00-894-4694. Verify interchangeability with system specifications before substitution.

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