PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5451Bearing,ball,annular

Instruments and Flight Research, Inc. · NSN 3110-00-156-4658 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-4658 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-4658. Primary manufacturer part number: 5451.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Shape: STRAIGHT
  • Standard Tolerance Designation: ABEC NO.1
  • Internal Fit-Up Contact Angular Direction: OUTWARD CONVERGENT
  • Standard Tolerance Designation: ABEC NO.1
  • Contact Angle: 25.0 DEGREES MAXIMUM
  • Load Direction: ANGULAR
  • Retainer Fabrication Method: PRESSED
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 3110-00-156-4658, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Instruments and Flight Research, Inc.. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 11 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
NSN3110-00-156-4658
Primary Part Number5451
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerInstruments and Flight Research, Inc.
StatusACTIVE
Bore ShapeSTRAIGHT
Standard Tolerance DesignationABEC NO.1
Internal Fit-Up Contact Angular DirectionOUTWARD CONVERGENT
Standard Tolerance DesignationABEC NO.1
Contact Angle25.0 DEGREES MAXIMUM
Load DirectionANGULAR
Retainer Fabrication MethodPRESSED
Internal Fit-Up Contact Angular DirectionOUTWARD CONVERGENT
Bore ShapeSTRAIGHT
Surface FinishGROUND
Lubrication MaterialGREASE
Internal Fit-Up DesignationSTANDARD
Lubrication Material Document and ClassificationDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data00 GRADE AND 143 TYPE
Style DesignatorLOADING GROOVE, NON-SEPARABLE
Nondefinitive Spec/std Data00 GRADE AND 143 TYPE
Contact Angle25.0 DEGREES MAXIMUM
Bore Diameter15.00 MILLIMETERS NOMINAL MM
Lubrication MaterialGREASE
Style DesignatorLOADING GROOVE, NON-SEPARABLE
MaterialSTEEL OVERALL
Lubrication Material Document and ClassificationDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
Overall Outside Diameter35.00 MILLIMETERS NOMINAL MM
Load DirectionANGULAR
Internal Fit-Up DesignationSTANDARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5962-00-369-7831 INTERCHANGEABLE
Microcircuit,digital
2825-00-389-863929647 INTERCHANGEABLE
Weight,emergency Go
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
6675-00-509-5586545-190 INTERCHANGEABLE
Level,surveying
Brunson Instrument Company Dba Brunson Instrument Co
5930-00-564-2784167-211SM1AG33PCBM35 INTERCHANGEABLE
Switch,push
Naval Ship Systems Command
5915-00-912-33915451 INTERCHANGEABLE
Filter,low Pass
Bird Electronic Corporation Div Bird Electronic Corp
5945-00-923-42919M0990 INTERCHANGEABLE
Relay,electromagnetic
Caterpillar Inc Div Caterpillar Defense
5985-00-939-9779 INTERCHANGEABLE
Coupler,transmission Line
6695-00-989-5442M3326 INTERCHANGEABLE
Bezel,instrument Mounting
Aerosonic Llc
5910-01-015-3886138010P4 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
6625-01-082-14795451-3 INTERCHANGEABLE
Meter,arbitrary Scale
General Microwave Corporation Div Kratos Microwave Electronics
Cross-Reference Index
Part NumberManufacturer
5451 PRIMARY Instruments and Flight Research, Inc. (USA)
C93153BEARINGBALL American Telephone and Telegraph Co (USA)
C93153BEARINGBA LL Lucent Technologies Inc Dba Federal Marketing Group (USA)
FFB171 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
XU16031BEARINGBALL Bae Systems Information and Electronic Systems Integration I Dba Es Marine Systems (USA)
12Z10210-1 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
C93153BEARINGBA LL Lucent Technologies Inc Corporate Headquarters (USA)
M3326 Egs Electrical Group Appleton Div (USA)
C18612BEARINGBALL Cincinnati Electrical Tool Inc (USA)
A5761 PRIMARY Dcm Manufacturing, Inc. (USA)
XU16031BEARINGBALL Cornell-Carr Co., Inc. (USA)
Related Parts
5962-00-369-7831INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
2825-00-389-8639INTERCHANGEABLE
WEIGHT,EMERGENCY GO
29647
6675-00-509-5586INTERCHANGEABLE
LEVEL,SURVEYING
545-190
5930-00-564-2784INTERCHANGEABLE
SWITCH,PUSH
167-211SM1AG33PCBM35
5915-00-912-3391INTERCHANGEABLE
FILTER,LOW PASS
5451
5945-00-923-4291INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
9M0990
5985-00-939-9779INTERCHANGEABLE
COUPLER,TRANSMISSION LINE
6695-00-989-5442INTERCHANGEABLE
BEZEL,INSTRUMENT MOUNTING
M3326
5910-01-015-3886INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
138010P4
6625-01-082-1479INTERCHANGEABLE
METER,ARBITRARY SCALE
5451-3
5962-01-115-9983INTERCHANGEABLE
MICROCIRCUIT,MEMORY
A576-1
2825-01-176-9464INTERCHANGEABLE
TANK ASSEMBLY,STEAM

Frequently Asked Questions

What is NSN 3110-00-156-4658?

NSN 3110-00-156-4658 is a Bearing,ball,annular, manufactured by Instruments and Flight Research, Inc., classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-156-4658?

NSN 3110-00-156-4658 has 11 cross-referenced part numbers: 5451 (Instruments and Flight Research, Inc.), C93153BEARINGBALL (American Telephone and Telegraph Co), C93153BEARINGBA LL (Lucent Technologies Inc Dba Federal Marketing Group), FFB171 (Federal Specifications Promulgated by General Services Administration Washington DC), XU16031BEARINGBALL (Bae Systems Information and Electronic Systems Integration I Dba Es Marine Systems) and 6 more.

What NSN replaces 3110-00-156-4658?

There are 12 known substitutes for 3110-00-156-4658: 5962-00-369-7831, 2825-00-389-8639, 6675-00-509-5586 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5451?

Key specifications for 5451: Bore Shape: STRAIGHT; Standard Tolerance Designation: ABEC NO.1; Internal Fit-Up Contact Angular Direction: OUTWARD CONVERGENT; Standard Tolerance Designation: ABEC NO.1. 27 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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