PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

310671Bearing,ball,airframe

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 3110-00-861-4595 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-861-4595 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-861-4595. Primary manufacturer part number: 310671.
Features
  • Bearing,ball,airframe — FSC 3110
  • Overall Outside Diameter: 0.6250 INCHES NOMINAL IN
  • Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
  • Outer Ring Width: 0.2030 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
  • Self-Alignment Location: INTERNAL
  • Lubrication Material: GREASE
  • Shield Quantity: 2
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Corrosion Resisting Shield construction
General Description

The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-861-4595, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-861-4595
Primary Part Number310671
Item NameBearing,ball,airframe
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusCANCELLED
Overall Outside Diameter0.6250 INCHES NOMINAL IN
Lubrication Material Document and ClassificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
Outer Ring Width0.2030 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
Self-Alignment LocationINTERNAL
Lubrication MaterialGREASE
Shield Quantity2
Alignment TypeSELF-ALIGNING
Inner Ring Width0.2450 INCHES NOMINAL IN
Load DirectionRADIAL
MaterialSTEEL CORROSION RESISTING SHIELD
MaterialSTEEL BALL
Bore Diameter0.1900 INCHES NOMINAL IN
MaterialSTEEL OUTER RING
Surface TreatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
MaterialSTEEL INNER RING
Style DesignatorSINGLE ROW SELF ALIGNING SINGLE ROW INNER RING EXTENDED BOTH SIDES
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5305-00-387-9994310665 INTERCHANGEABLE
Screw,machine
Lockheed Martin Corporation Div Rms - Mitchel Field
5962-01-035-7479 INTERCHANGEABLE
Microcircuit,digital
5365-01-091-109531067-1 INTERCHANGEABLE
Shim
The Dewey Electronics Corporation Div Pitometer Log Division
Cross-Reference Index
Part NumberManufacturer
310671 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
310665 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
214590 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5305-00-387-9994INTERCHANGEABLE
SCREW,MACHINE
310665
5962-01-035-7479INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5365-01-091-1095INTERCHANGEABLE
SHIM
31067-1

Frequently Asked Questions

What is NSN 3110-00-861-4595?

NSN 3110-00-861-4595 is a Bearing,ball,airframe, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-861-4595?

NSN 3110-00-861-4595 has 3 cross-referenced part numbers: 310671 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 310665 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 214590 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 3110-00-861-4595?

There are 3 known substitutes for 3110-00-861-4595: 5305-00-387-9994, 5962-01-035-7479, 5365-01-091-1095. Verify interchangeability with system specifications before substitution.

What are the specifications of 310671?

Key specifications for 310671: Overall Outside Diameter: 0.6250 INCHES NOMINAL IN; Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE; Outer Ring Width: 0.2030 INCHES NOMINAL IN; Standard Tolerance Designation: AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-861-4595 still in active supply?

NSN 3110-00-861-4595 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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