PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55950Bearing,ball,airframe

Raytheon Technical Services Company · NSN 3110-00-932-5599 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-932-5599 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-932-5599. Primary manufacturer part number: 55950.
Features
  • Bearing,ball,airframe — FSC 3110
  • Load Direction: RADIAL
  • Outer Ring Width: 0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
  • Bearing Seal Type: CONTACT
  • Inner Ring Width: 0.6150 INCHES MINIMUM AND 0.6200 INCHES MAXIMUM IN
  • Seal Quantity: 2
  • Standard Tolerance Designation: AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
  • Lubrication Material: GREASE
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Rubber Synthetic Seal construction
General Description

The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-932-5599, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Raytheon Technical Services Company. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-932-5599
Primary Part Number55950
Item NameBearing,ball,airframe
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerRaytheon Technical Services Company
StatusCANCELLED
Load DirectionRADIAL
Outer Ring Width0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
Bearing Seal TypeCONTACT
Inner Ring Width0.6150 INCHES MINIMUM AND 0.6200 INCHES MAXIMUM IN
Seal Quantity2
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
Lubrication MaterialGREASE
Surface TreatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
Style DesignatorSINGLE ROW INNER RING EXTENDED BOTH SIDES
Bore Diameter0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES BALL
MaterialRUBBER SYNTHETIC SEAL
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE INNER RING
Lubrication Material Document and ClassificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
MaterialSTEEL COMP E52100 INNER RING
MaterialSTEEL COMP E52100 OUTER RING
MaterialSTEEL COMP E51100 OR STEEL COMP E52100 BALL
Overall Outside Diameter1.6870 INCHES MINIMUM AND 1.6875 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
3110-00-027-3401MS27640-8 INTERCHANGEABLE
Bearing,ball,airframe
Sae International Dba Sae International
5985-00-783-6014MX1802AU INTERCHANGEABLE
Seal,radio Frequency Transmissio
Joint Electronics Type Designation System
2920-00-924-2042 INTERCHANGEABLE
Lead,ignition,engine
1560-01-533-673055950 INTERCHANGEABLE
Nose Assembly,ir De
Aerovironment, Inc. Dba Aerovironment Inc
Cross-Reference Index
Part NumberManufacturer
55950 Raytheon Technical Services Company (USA)
AN200KP8 Aeronautical Standards Group Dept of Navy and Air Force (USA)
411590-5 Raytheon Company Dba Raytheon (USA)
AN200KP8ANG25 Aeronautical Standards Group Dept of Navy and Air Force (USA)
AN200KP8ANG25 Joint Aircraft Committee (USA)
KP8FS160 Timken Co Div the Timken Company (USA)
MS20200KP8 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
KP8ANG25 Timken Co Div the Timken Company (USA)
KP8 Timken Co Div the Timken Company (USA)
200KP8 Joint Aircraft Committee (USA)
KP8-FS428 Timken Co Div the Timken Company (USA)
32002710 Lockheed Martin Corp (USA)
Related Parts
3110-00-027-3401INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27640-8
5985-00-783-6014INTERCHANGEABLE
SEAL,RADIO FREQUENCY TRANSMISSIO
MX1802AU
2920-00-924-2042INTERCHANGEABLE
LEAD,IGNITION,ENGINE
1560-01-533-6730INTERCHANGEABLE
NOSE ASSEMBLY,IR DE
55950

Frequently Asked Questions

What is NSN 3110-00-932-5599?

NSN 3110-00-932-5599 is a Bearing,ball,airframe, manufactured by Raytheon Technical Services Company, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-932-5599?

NSN 3110-00-932-5599 has 12 cross-referenced part numbers: 55950 (Raytheon Technical Services Company), AN200KP8 (Aeronautical Standards Group Dept of Navy and Air Force), 411590-5 (Raytheon Company Dba Raytheon), AN200KP8ANG25 (Aeronautical Standards Group Dept of Navy and Air Force), AN200KP8ANG25 (Joint Aircraft Committee) and 7 more.

What NSN replaces 3110-00-932-5599?

There are 4 known substitutes for 3110-00-932-5599: 3110-00-027-3401, 5985-00-783-6014, 2920-00-924-2042 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55950?

Key specifications for 55950: Load Direction: RADIAL; Outer Ring Width: 0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN; Bearing Seal Type: CONTACT; Inner Ring Width: 0.6150 INCHES MINIMUM AND 0.6200 INCHES MAXIMUM IN. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-932-5599 still in active supply?

NSN 3110-00-932-5599 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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