PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

K686748-11Seat,bearing

Timken Aerospace, Inc Dba Torrington Product · NSN 3110-00-055-2100 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-055-2100 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-055-2100. Primary manufacturer part number: K686748-11.
Features
  • Seat,bearing — FSC 3110
  • Style Designator: FLAT RACE SURFACE
  • Bore Diameter: 1.7520 INCHES MINIMUM AND 1.7620 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
  • Outside Diameter: 2.4700 INCHES MINIMUM AND 2.4900 INCHES MAXIMUM IN
  • 16 verified cross-references
  • Primary manufacturer: Timken Aerospace, Inc Dba Torrington Product
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Seat,bearing, cataloged under National Stock Number 3110-00-055-2100, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Timken Aerospace, Inc Dba Torrington Product. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 15 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-055-2100
Primary Part NumberK686748-11
Item NameSeat,bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Aerospace, Inc Dba Torrington Product
StatusCANCELLED
Style DesignatorFLAT RACE SURFACE
Bore Diameter1.7520 INCHES MINIMUM AND 1.7620 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Outside Diameter2.4700 INCHES MINIMUM AND 2.4900 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
2940-00-766-1015400144 INTERCHANGEABLE
Filter Element,fluid
Honeywell International Inc. Div Aerospace - Torrance
5340-01-003-6618AA7-I-231 INTERCHANGEABLE
Seat,helical Compression Spring
American Terra Vehicles Inc
5962-01-100-9424 INTERCHANGEABLE
Microcircuit,digital-Linear
5330-01-151-8678 INTERCHANGEABLE
Seal
6515-01-499-6669400.144 INTERCHANGEABLE
Screw,emergency,mandibular
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
9436055 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
9436055 General Motors Llc Dba General Motors Llc (USA)
10162179-1 Us Army Aviation and Missile Command (USA)
23175-562 Weir Valves & Controls Ltd (GBR)
5740111 Am General Llc (USA)
K686748-11 PRIMARY Timken Aerospace, Inc Dba Torrington Product (USA)
400144 Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems (USA)
K686748-11 Kaman Aerospace Corporation Dba Air Vehicles & Mro Division (USA)
TRA2840 Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA)
TRA2840 Timken Europe , a Branch of the Timken Company (GBR)
13754 New Venture Gear Inc New Process Gear Div (USA)
2CK243 Oshkosh Corp (USA)
TRA2840 Timken Aerospace, Inc Dba Torrington Product (USA)
RGT 400144 Daimler Truck North America Llc (USA)
WLM-140004 Grove U.s. Llc Dba Grove Us Llc (USA)
3110PL0138951 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
2940-00-766-1015INTERCHANGEABLE
FILTER ELEMENT,FLUID
400144
5340-01-003-6618INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
AA7-I-231
5962-01-100-9424INTERCHANGEABLE
MICROCIRCUIT,DIGITAL-LINEAR
5330-01-151-8678INTERCHANGEABLE
SEAL
6515-01-499-6669INTERCHANGEABLE
SCREW,EMERGENCY,MANDIBULAR
400.144

Frequently Asked Questions

What is NSN 3110-00-055-2100?

NSN 3110-00-055-2100 is a Seat,bearing, manufactured by Timken Aerospace, Inc Dba Torrington Product, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-055-2100?

NSN 3110-00-055-2100 has 16 cross-referenced part numbers: 9436055 (General Motors Corp Chevrolet Motor Div Special Products Dept), 9436055 (General Motors Llc Dba General Motors Llc), 10162179-1 (Us Army Aviation and Missile Command), 23175-562 (Weir Valves & Controls Ltd), 5740111 (Am General Llc) and 11 more.

What NSN replaces 3110-00-055-2100?

There are 5 known substitutes for 3110-00-055-2100: 2940-00-766-1015, 5340-01-003-6618, 5962-01-100-9424 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of K686748-11?

Key specifications for K686748-11: Overall Width: 0.0300 INCHES MINIMUM AND 0.0320 INCHES MAXIMUM IN; Style Designator: FLAT RACE SURFACE; Bore Diameter: 1.7520 INCHES MINIMUM AND 1.7620 INCHES MAXIMUM IN; Material: STEEL OVERALL. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-055-2100 still in active supply?

NSN 3110-00-055-2100 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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