PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21397Bearing,ball Assemb

Reliance Electric Co Toledo Scale Div · NSN 4920-00-944-6935 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-944-6935 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-944-6935. Primary manufacturer part number: 21397.
Features
  • Bearing,ball Assemb — FSC 4920
  • 1 verified cross-reference
  • Primary manufacturer: Reliance Electric Co Toledo Scale Div
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,ball Assemb, cataloged under National Stock Number 4920-00-944-6935, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Reliance Electric Co Toledo Scale Div. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing,ball Assemb
FSC / FSG4920 — No Item Name Available (FSG 49)
ManufacturersReliance Electric Co Toledo Scale Div (CAGE 60266)
Technical Specifications
ParameterValue
NSN4920-00-944-6935
Primary Part Number21397
Item NameBearing,ball Assemb
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerReliance Electric Co Toledo Scale Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5130-00-293-2014 INTERCHANGEABLE
Brush,wire,rotary Wheel
4320-00-360-163821397 INTERCHANGEABLE
Mounting Flange Subassembly
Parker Hannifin Corporation Div Hydraulic Systems Division
5310-00-595-759921397 INTERCHANGEABLE
Washer,spring Tension
Telemechanics Inc
5950-00-658-4950 INTERCHANGEABLE
Transformer,audio Frequency
5905-00-931-699921397 INTERCHANGEABLE
Resistor,fixed,wire Wound
Ward Leonard Ct Llc
5950-00-974-6171 INTERCHANGEABLE
Coil,radio Frequency
3120-01-372-933421397 INTERCHANGEABLE
Bearing,sleeve
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
21397 Reliance Electric Co Toledo Scale Div
Related Parts
5130-00-293-2014INTERCHANGEABLE
BRUSH,WIRE,ROTARY WHEEL
4320-00-360-1638INTERCHANGEABLE
MOUNTING FLANGE SUBASSEMBLY
21397
5310-00-595-7599INTERCHANGEABLE
WASHER,SPRING TENSION
21397
5950-00-658-4950INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5905-00-931-6999INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
21397
5950-00-974-6171INTERCHANGEABLE
COIL,RADIO FREQUENCY
3120-01-372-9334INTERCHANGEABLE
BEARING,SLEEVE
21397

Frequently Asked Questions

What is NSN 4920-00-944-6935?

NSN 4920-00-944-6935 is a Bearing,ball Assemb, manufactured by Reliance Electric Co Toledo Scale Div, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-00-944-6935?

NSN 4920-00-944-6935 has 1 cross-referenced part number: 21397 (Reliance Electric Co Toledo Scale Div).

What NSN replaces 4920-00-944-6935?

There are 7 known substitutes for 4920-00-944-6935: 5130-00-293-2014, 4320-00-360-1638, 5310-00-595-7599 and 4 more. Verify interchangeability with system specifications before substitution.

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