PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

645Cone and Rollers,tapered Roller

The Timken Corporation · NSN 3110-00-100-0665 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-0665 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-0665. Primary manufacturer part number: 645.
Features
  • Cone and Rollers,tapered Roller — FSC 3110
  • Style Designator: NORMAL ANGLE
  • Material: STEEL OVERALL
  • Cone Corner Radius: 0.2500 INCHES NOMINAL IN
  • Bore Diameter: 2.8125 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Cone Width: 1.6250 INCHES NOMINAL IN
  • 9 verified cross-references
Applications
  • Applications requiring Steel Overall construction
General Description

The Cone and Rollers,tapered Roller, cataloged under National Stock Number 3110-00-100-0665, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is The Timken Corporation. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 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
NSN3110-00-100-0665
Primary Part Number645
Item NameCone and Rollers,tapered Roller
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusACTIVE
Style DesignatorNORMAL ANGLE
MaterialSTEEL OVERALL
Cone Corner Radius0.2500 INCHES NOMINAL IN
Bore Diameter2.8125 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA CLASS 2
Cone Width1.6250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2640-00-255-99894400 INTERCHANGEABLE
Cap,pneumatic Valve
Schrader-Bridgeport International Inc Dba Schrader Automotive
5120-00-278-106528820 INTERCHANGEABLE
Vise,bench and Pipe
Wilton Corp Wilton Tool Div
5325-00-286-8045 INTERCHANGEABLE
Eyelet,metallic
5360-00-292-4101645 INTERCHANGEABLE
Spring,helical,compression
Struthers Wells Corp
6625-00-407-6237SCC25816 INTERCHANGEABLE
Electromagnetic Act
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4510-00-421-3913 INTERCHANGEABLE
Holder,water Tumbler
6625-00-538-6482 INTERCHANGEABLE
Probe,test
6685-00-878-7161164451 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-951-5971165660A INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
5985-01-033-9348645 INTERCHANGEABLE
Horn,waveguide
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
Cross-Reference Index
Part NumberManufacturer
UT9008A White Farm Equipment Co Sub of Tic Investment Inc (USA)
0042874-8 New Holland Construction (USA)
645 PRIMARY The Timken Corporation (USA)
0042874 New Holland Construction (USA)
BT645 Federal-Mogul Corp Government Sales Dept (USA)
042874 New Holland Construction (USA)
6V5132 Caterpillar Inc Div Caterpillar Defense (USA)
188248 General Motors Corp (USA)
BT645 Ntn Bearing Corporation of America (USA)
Related Parts
2640-00-255-9989INTERCHANGEABLE
CAP,PNEUMATIC VALVE
4400
5120-00-278-1065INTERCHANGEABLE
VISE,BENCH AND PIPE
28820
5325-00-286-8045INTERCHANGEABLE
EYELET,METALLIC
5360-00-292-4101INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
645
6625-00-407-6237INTERCHANGEABLE
ELECTROMAGNETIC ACT
SCC25816
4510-00-421-3913INTERCHANGEABLE
HOLDER,WATER TUMBLER
6625-00-538-6482INTERCHANGEABLE
PROBE,TEST
6685-00-878-7161INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
164451
6685-00-951-5971INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
165660A
5985-01-033-9348INTERCHANGEABLE
HORN,WAVEGUIDE
645
5136-01-046-8857INTERCHANGEABLE
DIE,THREAD CUTTING
23312
6685-01-154-0194INTERCHANGEABLE
THERMOSTAT,FLOW CONTROL
HH29AA050

Frequently Asked Questions

What is NSN 3110-00-100-0665?

NSN 3110-00-100-0665 is a Cone and Rollers,tapered Roller, manufactured by The Timken Corporation, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-100-0665?

NSN 3110-00-100-0665 has 9 cross-referenced part numbers: UT9008A (White Farm Equipment Co Sub of Tic Investment Inc), 0042874-8 (New Holland Construction), 645 (The Timken Corporation), 0042874 (New Holland Construction), BT645 (Federal-Mogul Corp Government Sales Dept) and 4 more.

What NSN replaces 3110-00-100-0665?

There are 12 known substitutes for 3110-00-100-0665: 2640-00-255-9989, 5120-00-278-1065, 5325-00-286-8045 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 645?

Key specifications for 645: Style Designator: NORMAL ANGLE; Material: STEEL OVERALL; Cone Corner Radius: 0.2500 INCHES NOMINAL IN; Bore Diameter: 2.8125 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com