PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E665Bearing,ball,annular

Mpb Corp Div Timken Super Precision · NSN 3110-01-183-3438 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-183-3438 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-183-3438. Primary manufacturer part number: E665.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Shape: STRAIGHT
  • Material: STEEL COMP 440C BALL
  • Material: STEEL CORROSION RESISTING SHIELD
  • Material: STEEL CORROSION RESISTING RETAINER
  • Material: STEEL COMP 440C OUTER RACE
  • Material: STEEL COMP 440C INNER RACE
  • Shield Quantity: 2
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 440c Ball construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-183-3438, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-183-3438
Primary Part NumberE665
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerMpb Corp Div Timken Super Precision
StatusACTIVE
Bore ShapeSTRAIGHT
MaterialSTEEL COMP 440C BALL
MaterialSTEEL CORROSION RESISTING SHIELD
MaterialSTEEL CORROSION RESISTING RETAINER
MaterialSTEEL COMP 440C OUTER RACE
MaterialSTEEL COMP 440C INNER RACE
Shield Quantity2
Inner Ring Width0.1240 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN
Internal Clearance0.0003 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
Load DirectionRADIAL
Outer Ring Width0.1250 INCHES MINIMUM AND 0.1300 INCHES MAXIMUM IN
Surface FinishGROUND
Overall Outside Diameter0.3748 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
Standard Tolerance DesignationABEC NO. 5P
Bore Diameter0.1873 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5961-00-058-2625250082 INTERCHANGEABLE
Semiconductor Device,diode
Meggitt North Hollywood Inc
8030-00-152-00648030-00-152-0064 INTERCHANGEABLE
Resin,epoxy
General Services Administration Federal Supply Service
3040-01-191-4162017B0508K081A INTERCHANGEABLE
Shaft,shouldered
Circor Naval Solutions Llc Dba Warren Pumps
4320-01-191-427434-87-163 INTERCHANGEABLE
Gland,split
Circor Naval Solutions Llc Dba Warren Pumps
4320-01-191-427633-114-61 INTERCHANGEABLE
Gland,seal
Circor Naval Solutions Llc Dba Warren Pumps
4320-01-191-889927-128-132 INTERCHANGEABLE
Housing,liquid Pump
Circor Naval Solutions Llc Dba Warren Pumps
4320-01-221-8930E-665 PIECE 7,8 INTERCHANGEABLE
Gear Rotor Set,rotary Pump
Circor Naval Solutions Llc Dba Warren Pumps
1560-01-650-29792-5008-2 INTERCHANGEABLE
Web,structural Component,aircraf
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
E665-LO2 Timken Super Precision Europa B.v. (NLD)
M250080-250082 Rotron Incorporated (USA)
250082 Rotron Incorporated (USA)
E665 PRIMARY Mpb Corp Div Timken Super Precision (USA)
Related Parts
5961-00-058-2625INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
250082
8030-00-152-0064INTERCHANGEABLE
RESIN,EPOXY
8030-00-152-0064
3040-01-191-4162INTERCHANGEABLE
SHAFT,SHOULDERED
017B0508K081A
4320-01-191-4274INTERCHANGEABLE
GLAND,SPLIT
34-87-163
4320-01-191-4276INTERCHANGEABLE
GLAND,SEAL
33-114-61
4320-01-191-8899INTERCHANGEABLE
HOUSING,LIQUID PUMP
27-128-132
4320-01-221-8930INTERCHANGEABLE
GEAR ROTOR SET,ROTARY PUMP
E-665 PIECE 7,8
1560-01-650-2979INTERCHANGEABLE
WEB,STRUCTURAL COMPONENT,AIRCRAF
2-5008-2

Frequently Asked Questions

What is NSN 3110-01-183-3438?

NSN 3110-01-183-3438 is a Bearing,ball,annular, 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 3110-01-183-3438?

NSN 3110-01-183-3438 has 4 cross-referenced part numbers: E665-LO2 (Timken Super Precision Europa B.v.), M250080-250082 (Rotron Incorporated), 250082 (Rotron Incorporated), E665 (Mpb Corp Div Timken Super Precision).

What NSN replaces 3110-01-183-3438?

There are 8 known substitutes for 3110-01-183-3438: 5961-00-058-2625, 8030-00-152-0064, 3040-01-191-4162 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of E665?

Key specifications for E665: Bore Shape: STRAIGHT; Material: STEEL COMP 440C BALL; Material: STEEL CORROSION RESISTING SHIELD; Material: STEEL CORROSION RESISTING RETAINER. 16 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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