PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T680-801Bearing,ball,airframe

Mpb Corp Div Timken Super Precision · NSN 3110-00-042-8560 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-042-8560 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-042-8560. Primary manufacturer part number: T680-801.
Features
  • Bearing,ball,airframe — FSC 3110
  • Material: STEEL OUTER RING
  • Style Designator: SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
  • Load Direction: RADIAL
  • Bore Diameter: 2.3120 INCHES MINIMUM AND 2.3125 INCHES MAXIMUM IN
  • Inner Ring Width: 0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
  • Overall Outside Diameter: 2.8745 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN
  • Material: PLASTIC PHENOLIC RETAINER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Outer Ring construction
General Description

The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-042-8560, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-042-8560
Primary Part NumberT680-801
Item NameBearing,ball,airframe
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerMpb Corp Div Timken Super Precision
StatusACTIVE
MaterialSTEEL OUTER RING
Style DesignatorSINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
Load DirectionRADIAL
Bore Diameter2.3120 INCHES MINIMUM AND 2.3125 INCHES MAXIMUM IN
Inner Ring Width0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
Overall Outside Diameter2.8745 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN
MaterialPLASTIC PHENOLIC RETAINER
MaterialSTEEL INNER RING
MaterialSTEEL BALL
MaterialPLASTIC POLYTETRAFLUOROETHYLENE SEPARATOR SLUG
Outer Ring Width0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4820-00-036-1552N09442 INTERCHANGEABLE
Piston,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
8115-00-417-94428115-00-417-9442 INTERCHANGEABLE
Box,shipping
Loye Keesee Dba Keesee Box Company Div Government Resource Pkg Prod
5935-00-633-50563202119 INTERCHANGEABLE
Connector,receptacle,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5999-01-032-0306052330 INTERCHANGEABLE
Heat Sink,electrical-Electronic
L3 Technologies, Inc. Div L3 Keo
5342-01-137-44299442 INTERCHANGEABLE
Latch,slid Bolt
Avibank Mfg., Inc. Dba Avibank Manufacturing Inc
5905-01-195-1254848-01REVOPC19 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Hose-Mccann Telephone Co, Inc
7025-01-348-6692 INTERCHANGEABLE
Display Unit
5365-01-480-006994-42 INTERCHANGEABLE
Ring,connecting,round
Schaefer Marine, Inc.
5995-01-695-11469442 INTERCHANGEABLE
Case,cable Assembly
Msab Incorporated Dba Msab Inc
Cross-Reference Index
Part NumberManufacturer
TCL37-46-21 Mpb Corporation Dba Mpb Corp (USA)
T680-801 PRIMARY Mpb Corp Div Timken Super Precision (USA)
C95528-1 Mpb Corporation Dba Mpb Corp (USA)
C95528-1 Honeywell Ltd (CAN)
9442 Skf Usa Inc (USA)
TCR37-46-21 Mpb Corporation Dba Mpb Corp (USA)
9442 Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings (USA)
C95528-1 Northrop Grumman Systems Corporation (USA)
Related Parts
4820-00-036-1552INTERCHANGEABLE
PISTON,VALVE
N09442
8115-00-417-9442INTERCHANGEABLE
BOX,SHIPPING
8115-00-417-9442
5935-00-633-5056INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
3202119
5999-01-032-0306INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
052330
5342-01-137-4429INTERCHANGEABLE
LATCH,SLID BOLT
9442
5905-01-195-1254INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
848-01REVOPC19
7025-01-348-6692INTERCHANGEABLE
DISPLAY UNIT
5365-01-480-0069INTERCHANGEABLE
RING,CONNECTING,ROUND
94-42
5995-01-695-1146INTERCHANGEABLE
CASE,CABLE ASSEMBLY
9442

Frequently Asked Questions

What is NSN 3110-00-042-8560?

NSN 3110-00-042-8560 is a Bearing,ball,airframe, 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 3110-00-042-8560?

NSN 3110-00-042-8560 has 8 cross-referenced part numbers: TCL37-46-21 (Mpb Corporation Dba Mpb Corp), T680-801 (Mpb Corp Div Timken Super Precision), C95528-1 (Mpb Corporation Dba Mpb Corp), C95528-1 (Honeywell Ltd), 9442 (Skf Usa Inc) and 3 more.

What NSN replaces 3110-00-042-8560?

There are 9 known substitutes for 3110-00-042-8560: 4820-00-036-1552, 8115-00-417-9442, 5935-00-633-5056 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T680-801?

Key specifications for T680-801: Material: STEEL OUTER RING; Style Designator: SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE; Special Features: SPLIT OUTER RING WITH TWO STAINLESS STEEL RETAINING RINGS,WITH POLYTETRAFLUOROETHYLENE SPACER SLUGS OR MACHINED NONMETALLIC RETAINER; Load Direction: RADIAL. 12 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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