PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

186363-5Bearing,ball,annular

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3110-00-156-4148 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-4148 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-4148. Primary manufacturer part number: 186363-5.
Features
  • Bearing,ball,annular — FSC 3110
  • Bearing Seal Type: CONTACT
  • Standard Tolerance Designation: ABEC NO.1
  • Inner Ring Width: 0.4800 INCHES NOMINAL IN
  • Seal Quantity: 1
  • Load Direction: RADIAL
  • Bore Shape: STRAIGHT
  • Outer Ring Width: 0.5000 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-156-4148, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 47 commercial cross-references from 18 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-156-4148
Primary Part Number186363-5
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Bearing Seal TypeCONTACT
Standard Tolerance DesignationABEC NO.1
Inner Ring Width0.4800 INCHES NOMINAL IN
Seal Quantity1
Load DirectionRADIAL
Bore ShapeSTRAIGHT
Outer Ring Width0.5000 INCHES NOMINAL IN
Lubrication MaterialGREASE
Lubrication Material Document and ClassificationMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
Surface FinishGROUND
Internal Fit-Up DesignationSTANDARD
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data1 CLASS AND 00 GRADE AND 118 TYPE
Bore Diameter12.00 MILLIMETERS NOMINAL MM
Overall Outside Diameter32.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5360-00-039-76025173394 INTERCHANGEABLE
Spring,helical,extension
U S Army Tank Automotive Command Amsta-Im-Mm
2990-00-141-9232 INTERCHANGEABLE
Muffler,exhaust
5365-00-222-829010911916 INTERCHANGEABLE
Spacer,sleeve
U S Army Tank Automotive Command Amsta-Im-Mm
3455-00-222-92201321-0406 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Kennametal Inc. Div Kennametal Industrial Products Group
5330-00-285-34440040401 INTERCHANGEABLE
Gasket
New Holland Construction
4920-00-356-7192 INTERCHANGEABLE
Holder,maintenance Fixture,multi
2530-00-392-484003-020-342 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Zf Off-Highway Solutions Minnesota Inc
3110-00-554-3188201KT INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
5950-00-647-9947 INTERCHANGEABLE
Reactor
6145-00-681-8372 INTERCHANGEABLE
Wire,electrical
Cross-Reference Index
Part NumberManufacturer
X344 Cooper Cameron Corp Ajax-Superior Div (USA)
186363-5 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
RB4631-3 PRIMARY Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA)
201T PRIMARY Timken Co Div the Timken Company (USA)
B20504-61 PRIMARY Honeywell International, Inc Div Aerospace-Tucson (USA)
1575-131 PRIMARY Sioux Tools Inc (USA)
FLB12 PRIMARY Skf Usa Inc. (USA)
WC8501X1C General Motors Corp (USA)
319696-671 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
RD4616-3 PRIMARY Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA)
WC8501X1 General Motors Corp Delco Moraine Ndh Div (USA)
RB4423-3 PRIMARY Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA)
RD4406-3 PRIMARY Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA)
201KTC1FS641 PRIMARY Timken Co Div the Timken Company (USA)
109119-16 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
RD4631-3 PRIMARY Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA)
WC8501X1 General Motors Llc Dba General Motors Llc (USA)
WC8501X1 General Motors Corp (USA)
273829-137 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
201FS4 PRIMARY Skf Usa Inc. (USA)
Related Parts
5360-00-039-7602INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
5173394
2990-00-141-9232INTERCHANGEABLE
MUFFLER,EXHAUST
5365-00-222-8290INTERCHANGEABLE
SPACER,SLEEVE
10911916
3455-00-222-9220INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
1321-0406
5330-00-285-3444INTERCHANGEABLE
GASKET
0040401
4920-00-356-7192INTERCHANGEABLE
HOLDER,MAINTENANCE FIXTURE,MULTI
2530-00-392-4840INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
03-020-342
3110-00-554-3188INTERCHANGEABLE
BEARING,BALL,ANNULAR
201KT
5950-00-647-9947INTERCHANGEABLE
REACTOR
6145-00-681-8372INTERCHANGEABLE
WIRE,ELECTRICAL
5310-00-934-9758INTERCHANGEABLE
NUT,PLAIN,HEXAGON
06436
3130-01-095-6559INTERCHANGEABLE
BEARING UNIT,PLAIN
FLB12

Frequently Asked Questions

What is NSN 3110-00-156-4148?

NSN 3110-00-156-4148 is a Bearing,ball,annular, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-156-4148?

NSN 3110-00-156-4148 has 47 cross-referenced part numbers: X344 (Cooper Cameron Corp Ajax-Superior Div), 186363-5 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), RB4631-3 (Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec), 201T (Timken Co Div the Timken Company), B20504-61 (Honeywell International, Inc Div Aerospace-Tucson) and 42 more.

What NSN replaces 3110-00-156-4148?

There are 12 known substitutes for 3110-00-156-4148: 5360-00-039-7602, 2990-00-141-9232, 5365-00-222-8290 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 186363-5?

Key specifications for 186363-5: Bearing Seal Type: CONTACT; Standard Tolerance Designation: ABEC NO.1; Inner Ring Width: 0.4800 INCHES NOMINAL IN; Seal Quantity: 1. 16 total characteristics are documented in the Federal Logistics Information System.

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