PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8027787Ball Bearing

Us Army Aviation and Missile Command · NSN 3655-00-786-3839 · FSC 3655 · No Item Name Available
Verified by PartsTable
NSN 3655-00-786-3839 — this item is cataloged by the U.S. Government under National Stock Number 3655-00-786-3839. Primary manufacturer part number: 8027787.
Features
  • Ball Bearing — FSC 3655
  • 3 verified cross-references
  • Primary manufacturer: Us Army Aviation and Missile Command
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Ball Bearing, cataloged under National Stock Number 3655-00-786-3839, is classified within Federal Supply Class 3655 (No Item Name Available) of the Special Industry Machinery group. The primary manufacturer of record is Us Army Aviation and Missile Command. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBall Bearing
FSC / FSG3655 — No Item Name Available (FSG 36)
ManufacturersUnited Catalysts Inc (CAGE 72759); Reliance Electric Co Toledo Scale Div (CAGE 60266); Us Army Aviation and Missile Command (CAGE 18876)
Technical Specifications
ParameterValue
NSN3655-00-786-3839
Primary Part Number8027787
Item NameBall Bearing
FSC / FSG3655 / 36 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5110-00-045-621321-398 INTERCHANGEABLE
Blade,rasp
Stanley Tools Div of Stanley Works
5935-00-148-425409-50-3081 INTERCHANGEABLE
Connector Body,plug,electrical
Molex, Llc
5930-01-236-334421398 INTERCHANGEABLE
Switch,thermostatic
Saft America Inc. Dba Tadiran Batteries Div Aviation Division
5935-01-674-235421-39.8 INTERCHANGEABLE
Backshell,electrical Connector
Quell Corporation
Cross-Reference Index
Part NumberManufacturer
21398 United Catalysts Inc (USA)
21398 Reliance Electric Co Toledo Scale Div
8027787 PRIMARY Us Army Aviation and Missile Command (USA)
Related Parts
5110-00-045-6213INTERCHANGEABLE
BLADE,RASP
21-398
5935-00-148-4254INTERCHANGEABLE
CONNECTOR BODY,PLUG,ELECTRICAL
09-50-3081
5930-01-236-3344INTERCHANGEABLE
SWITCH,THERMOSTATIC
21398
5935-01-674-2354INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
21-39.8

Frequently Asked Questions

What is NSN 3655-00-786-3839?

NSN 3655-00-786-3839 is a Ball Bearing, manufactured by Us Army Aviation and Missile Command, classified under FSC 3655 (No Item Name Available). Status: active.

What are the part numbers for NSN 3655-00-786-3839?

NSN 3655-00-786-3839 has 3 cross-referenced part numbers: 21398 (United Catalysts Inc), 21398 (Reliance Electric Co Toledo Scale Div), 8027787 (Us Army Aviation and Missile Command).

What NSN replaces 3655-00-786-3839?

There are 4 known substitutes for 3655-00-786-3839: 5110-00-045-6213, 5935-00-148-4254, 5930-01-236-3344 and 1 more. Verify interchangeability with system specifications before substitution.

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