PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3320-239Bearing,ball,annular

Cmc Electronics Inc · NSN 3110-01-027-6277 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-027-6277 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-027-6277. Primary manufacturer part number: 3320-239.
Features
  • Bearing,ball,annular — FSC 3110
  • Material: STEEL COMP 440A OVERALL A
  • Shield Quantity: 2
  • Surface Finish: GROUND
  • Outer Ring Outside Diameter: 0.2498 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
  • Lubrication Material: OIL
  • Bore Shape: STRAIGHT
  • Flange Width: 0.0290 INCHES MINIMUM AND 0.0310 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 440A Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-027-6277, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Cmc Electronics Inc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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
NSN3110-01-027-6277
Primary Part Number3320-239
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerCmc Electronics Inc
StatusACTIVE
MaterialSTEEL COMP 440A OVERALL A
Shield Quantity2
Surface FinishGROUND
Outer Ring Outside Diameter0.2498 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
Lubrication MaterialOIL
Bore ShapeSTRAIGHT
Flange Width0.0290 INCHES MINIMUM AND 0.0310 INCHES MAXIMUM IN
Retainer Fabrication MethodSTAMPED
Internal Clearance0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
Standard Tolerance DesignationABEC NO.5
Load DirectionRADIAL
Flange Outside Diameter0.2960 INCHES NOMINAL IN
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Bore Diameter0.1248 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN
Lubrication Material Document and ClassificationMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-198-1763 INTERCHANGEABLE
Bearing,ball,annular
3110-00-277-0230 INTERCHANGEABLE
Bearing,ball,annular
3110-00-293-9038 INTERCHANGEABLE
Bearing,ball,annular
3110-00-453-5014 INTERCHANGEABLE
Bearing,ball,annular
3110-00-542-0083 INTERCHANGEABLE
Bearing,ball,annular
3110-00-720-2348 INTERCHANGEABLE
Bearing,ball,annular
3110-00-789-1745 INTERCHANGEABLE
Bearing,ball,annular
3110-00-852-7674 INTERCHANGEABLE
Bearing,ball,annular
3110-01-033-8187 INTERCHANGEABLE
Bearing,ball,annular
3110-01-045-2551 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
3320-239 Cmc Electronics Inc (CAN)
M81793/07-FB2CXN1A1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M18793-IFDEAA01CC51AB1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-B-81793/7 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3110-00-198-1763INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-277-0230INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-293-9038INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-453-5014INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-542-0083INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-720-2348INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-789-1745INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-852-7674INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-01-033-8187INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-01-045-2551INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-01-075-6195INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-01-122-3273INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 3110-01-027-6277?

NSN 3110-01-027-6277 is a Bearing,ball,annular, manufactured by Cmc Electronics Inc, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-027-6277?

NSN 3110-01-027-6277 has 4 cross-referenced part numbers: 3320-239 (Cmc Electronics Inc), M81793/07-FB2CXN1A1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M18793-IFDEAA01CC51AB1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-B-81793/7 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 3110-01-027-6277?

There are 12 known substitutes for 3110-01-027-6277: 3110-00-198-1763, 3110-00-277-0230, 3110-00-293-9038 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3320-239?

Key specifications for 3320-239: Material: STEEL COMP 440A OVERALL A; Shield Quantity: 2; Surface Finish: GROUND; Outer Ring Outside Diameter: 0.2498 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN. 17 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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