PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G517Bearing,ball,duplex

Mpb Corp Div Timken Super Precision · NSN 3110-00-947-0079 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-947-0079 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-947-0079. Primary manufacturer part number: G517.
Features
  • Bearing,ball,duplex — FSC 3110
  • Surface Finish: GROUND
  • Standard Tolerance Designation: ABEC NO.7
  • Retainer Fabrication Method: MACHINED
  • Overall Outside Diameter: 0.6250 INCHES NOMINAL IN
  • Shield Quantity: 1
  • Style Designator: COUNTERBORED OUTER RINGS, NON-SEPARABLE, FACE TO FACE MOUNTING
  • Load Direction: ANGULAR
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,ball,duplex, cataloged under National Stock Number 3110-00-947-0079, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Mpb Corp Div Timken Super Precision. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 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
NSN3110-00-947-0079
Primary Part NumberG517
Item NameBearing,ball,duplex
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerMpb Corp Div Timken Super Precision
StatusACTIVE
Surface FinishGROUND
Standard Tolerance DesignationABEC NO.7
Retainer Fabrication MethodMACHINED
Overall Outside Diameter0.6250 INCHES NOMINAL IN
Shield Quantity1
Style DesignatorCOUNTERBORED OUTER RINGS, NON-SEPARABLE, FACE TO FACE MOUNTING
Load DirectionANGULAR
Bore Diameter0.2500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5945-00-061-3228 INTERCHANGEABLE
Relay,electromagnetic
4220-00-141-19094226-00 INTERCHANGEABLE
Knife,diver's
Aqualung Usa, Inc
5935-00-204-6389SM-C-283179 INTERCHANGEABLE
Adapter,connector
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6625-00-241-0816 INTERCHANGEABLE
Voltmeter
5330-00-256-1022123-1418254ALTAPC4 INTERCHANGEABLE
Gasket
Naval Ship Systems Command
5920-00-284-7074 INTERCHANGEABLE
Fuseholder,block
9320-00-412-2064 INTERCHANGEABLE
Tape,adhesive,rubber
9320-00-449-08072800 INTERCHANGEABLE
Tape,adhesive,rubber
Valley Industrial Products Inc
9320-00-449-0809VIP2800 INTERCHANGEABLE
Tape,adhesive,rubber
Valley Industrial Products Inc
5305-00-492-31474226 INTERCHANGEABLE
Setscrew
Fwd Seagrave Holdings Lp
Cross-Reference Index
Part NumberManufacturer
G517 PRIMARY Mpb Corp Div Timken Super Precision (USA)
972073-3 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
4282 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
972073-0003 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
3TAWR4-10-65 PRIMARY Mpb Corporation Dba Mpb Corp (USA)
4226 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
Related Parts
5945-00-061-3228INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
4220-00-141-1909INTERCHANGEABLE
KNIFE,DIVER'S
4226-00
5935-00-204-6389INTERCHANGEABLE
ADAPTER,CONNECTOR
SM-C-283179
6625-00-241-0816INTERCHANGEABLE
VOLTMETER
5330-00-256-1022INTERCHANGEABLE
GASKET
123-1418254ALTAPC4
5920-00-284-7074INTERCHANGEABLE
FUSEHOLDER,BLOCK
9320-00-412-2064INTERCHANGEABLE
TAPE,ADHESIVE,RUBBER
9320-00-449-0807INTERCHANGEABLE
TAPE,ADHESIVE,RUBBER
2800
9320-00-449-0809INTERCHANGEABLE
TAPE,ADHESIVE,RUBBER
VIP2800
5305-00-492-3147INTERCHANGEABLE
SETSCREW
4226
6520-00-547-7160INTERCHANGEABLE
WHEEL,ABRASIVE
4226
4820-00-595-1847INTERCHANGEABLE
VALVE,GATE
B-100-2IN

Frequently Asked Questions

What is NSN 3110-00-947-0079?

NSN 3110-00-947-0079 is a Bearing,ball,duplex, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-947-0079?

NSN 3110-00-947-0079 has 6 cross-referenced part numbers: G517 (Mpb Corp Div Timken Super Precision), 972073-3 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 4282 (New Hampshire Ball Bearings Inc Div Hitech Division), 972073-0003 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 3TAWR4-10-65 (Mpb Corporation Dba Mpb Corp) and 1 more.

What NSN replaces 3110-00-947-0079?

There are 12 known substitutes for 3110-00-947-0079: 5945-00-061-3228, 4220-00-141-1909, 5935-00-204-6389 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of G517?

Key specifications for G517: Surface Finish: GROUND; Standard Tolerance Designation: ABEC NO.7; Retainer Fabrication Method: MACHINED; Overall Outside Diameter: 0.6250 INCHES NOMINAL IN. 9 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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