PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B3-21Spacer,ring

Roller Bearing Co of America, Inc Div Pic Design · NSN 5365-00-829-0965 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-00-829-0965 — this item is cataloged by the U.S. Government under National Stock Number 5365-00-829-0965. Primary manufacturer part number: B3-21.
Features
  • Spacer,ring — FSC 5365
  • Surface Treatment: PASSIVATE
  • Outside Diameter: 0.498 INCHES NOMINAL IN
  • Inside Diameter: 0.378 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING
  • Overall Thickness: 0.062 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Roller Bearing Co of America, Inc Div Pic Design
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Spacer,ring, cataloged under National Stock Number 5365-00-829-0965, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5365-00-829-0965
Primary Part NumberB3-21
Item NameSpacer,ring
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusCANCELLED
Surface TreatmentPASSIVATE
Outside Diameter0.498 INCHES NOMINAL IN
Inside Diameter0.378 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING
Overall Thickness0.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
3010-00-174-5633B321 INTERCHANGEABLE
Coupling,shaft,flexible
Charles Bond Company Dba Christiana Machine Company
3455-00-194-055058-10071 INTERCHANGEABLE
Cutter,milling,side
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5342-00-200-3757K7107441REV2PT1 INTERCHANGEABLE
Mount,resilient,weapon System
General Electric Company
4140-00-829-87650691-7 INTERCHANGEABLE
Fan,centrifugal
Lockheed Martin Corporation Div Rms - Mitchel Field
5955-01-029-70442891660-1 INTERCHANGEABLE
Crystal Unit,quartz
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6850-01-051-0581B321 INTERCHANGEABLE
Cleaning Compound,optical Lens
U S Dept of Transportation Federal Aviation Administration
Cross-Reference Index
Part NumberManufacturer
B3-21 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
Related Parts
3010-00-174-5633INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
B321
3455-00-194-0550INTERCHANGEABLE
CUTTER,MILLING,SIDE
58-10071
5342-00-200-3757INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
K7107441REV2PT1
4140-00-829-8765INTERCHANGEABLE
FAN,CENTRIFUGAL
0691-7
5955-01-029-7044INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
2891660-1
6850-01-051-0581INTERCHANGEABLE
CLEANING COMPOUND,OPTICAL LENS
B321

Frequently Asked Questions

What is NSN 5365-00-829-0965?

NSN 5365-00-829-0965 is a Spacer,ring, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 5365 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5365-00-829-0965?

NSN 5365-00-829-0965 has 1 cross-referenced part number: B3-21 (Roller Bearing Co of America, Inc Div Pic Design).

What NSN replaces 5365-00-829-0965?

There are 6 known substitutes for 5365-00-829-0965: 3010-00-174-5633, 3455-00-194-0550, 5342-00-200-3757 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B3-21?

Key specifications for B3-21: Surface Treatment: PASSIVATE; Outside Diameter: 0.498 INCHES NOMINAL IN; Inside Diameter: 0.378 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5365-00-829-0965 still in active supply?

NSN 5365-00-829-0965 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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