PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

KP4ABearing,ball,airframe

Skf Usa Inc. · NSN 3110-00-494-4479 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-494-4479 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-494-4479. Primary manufacturer part number: KP4A.
Features
  • Bearing,ball,airframe — FSC 3110
  • Seal Quantity: 2
  • Load Direction: RADIAL
  • Outer Ring Width: 0.2190 INCHES NOMINAL IN
  • Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
  • Overall Outside Diameter: 0.7500 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC SEAL
  • Surface Treatment: CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
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 3110-00-494-4479, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Skf Usa Inc.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-494-4479
Primary Part NumberKP4A
Item NameBearing,ball,airframe
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusACTIVE
Seal Quantity2
Load DirectionRADIAL
Outer Ring Width0.2190 INCHES NOMINAL IN
Lubrication Material Document and ClassificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
Overall Outside Diameter0.7500 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC SEAL
Surface TreatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
Bore Diameter0.2500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-142-4456 INTERCHANGEABLE
Bearing,ball,airframe
3110-00-271-0244ACKP4AFS428 INTERCHANGEABLE
Bearing,ball,airframe
Lta/d-Cemco Inc Dba D-Cemco
3110-00-446-2952KP4A INTERCHANGEABLE
Bearing,ball,airframe
Timken Co Div the Timken Company
3110-01-248-9775KP4A INTERCHANGEABLE
Bearing,ball,airframe
Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings
Cross-Reference Index
Part NumberManufacturer
KP4A PRIMARY Skf Usa Inc. (USA)
42132-176 Goodrich Corporation Dba Trw Lucas Aerospace (USA)
Related Parts
3110-00-142-4456INTERCHANGEABLE
BEARING,BALL,AIRFRAME
3110-00-271-0244INTERCHANGEABLE
BEARING,BALL,AIRFRAME
ACKP4AFS428
3110-00-446-2952INTERCHANGEABLE
BEARING,BALL,AIRFRAME
KP4A
3110-01-248-9775INTERCHANGEABLE
BEARING,BALL,AIRFRAME
KP4A

Frequently Asked Questions

What is NSN 3110-00-494-4479?

NSN 3110-00-494-4479 is a Bearing,ball,airframe, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-494-4479?

NSN 3110-00-494-4479 has 2 cross-referenced part numbers: KP4A (Skf Usa Inc.), 42132-176 (Goodrich Corporation Dba Trw Lucas Aerospace).

What NSN replaces 3110-00-494-4479?

There are 4 known substitutes for 3110-00-494-4479: 3110-00-142-4456, 3110-00-271-0244, 3110-00-446-2952 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of KP4A?

Key specifications for KP4A: Seal Quantity: 2; Load Direction: RADIAL; Outer Ring Width: 0.2190 INCHES NOMINAL IN; Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE. 8 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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