PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TRD-1423Seat,bearing

Timken Aerospace, Inc Dba Torrington Product · NSN 3110-01-351-6421 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-351-6421 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-351-6421. Primary manufacturer part number: TRD-1423.
Features
  • Seat,bearing — FSC 3110
  • Outside Diameter: 1.4070 INCHES MINIMUM AND 1.4070 INCHES MINIMUM AND 1.4270 INCHES MAXIMUM1.4270 INCHES MAXIMUM IN
  • Bore Diameter: 0.8770 INCHES MINIMUM AND 0.8770 INCHES MINIMUM AND 0.8870 INCHES MAXIMUM0.8870 INCHES MAXIMUM IN
  • Style Designator: FLAT RACE SURFACEFLAT RACE SURFACE
  • 2 verified cross-references
  • Primary manufacturer: Timken Aerospace, Inc Dba Torrington Product
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Seat,bearing, cataloged under National Stock Number 3110-01-351-6421, 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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-351-6421
Primary Part NumberTRD-1423
Item NameSeat,bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Aerospace, Inc Dba Torrington Product
StatusACTIVE
Outside Diameter1.4070 INCHES MINIMUM AND 1.4070 INCHES MINIMUM AND 1.4270 INCHES MAXIMUM1.4270 INCHES MAXIMUM IN
Bore Diameter0.8770 INCHES MINIMUM AND 0.8770 INCHES MINIMUM AND 0.8870 INCHES MAXIMUM0.8870 INCHES MAXIMUM IN
Style DesignatorFLAT RACE SURFACEFLAT RACE SURFACE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-01-064-7246TRD-1423 INTERCHANGEABLE
Seat,bearing
Timken Aerospace, Inc Dba Torrington Product
Cross-Reference Index
Part NumberManufacturer
5906932-1 Hamilton Sundstrand Corporation (USA)
TRD-1423 PRIMARY Timken Aerospace, Inc Dba Torrington Product (USA)
Related Parts
3110-01-064-7246INTERCHANGEABLE
SEAT,BEARING
TRD-1423

Frequently Asked Questions

What is NSN 3110-01-351-6421?

NSN 3110-01-351-6421 is a Seat,bearing, manufactured by Timken Aerospace, Inc Dba Torrington Product, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-351-6421?

NSN 3110-01-351-6421 has 2 cross-referenced part numbers: 5906932-1 (Hamilton Sundstrand Corporation), TRD-1423 (Timken Aerospace, Inc Dba Torrington Product).

What NSN replaces 3110-01-351-6421?

There is 1 known substitute for 3110-01-351-6421: 3110-01-064-7246. Verify interchangeability with system specifications before substitution.

What are the specifications of TRD-1423?

Key specifications for TRD-1423: Outside Diameter: 1.4070 INCHES MINIMUM AND 1.4070 INCHES MINIMUM AND 1.4270 INCHES MAXIMUM1.4270 INCHES MAXIMUM IN; Bore Diameter: 0.8770 INCHES MINIMUM AND 0.8770 INCHES MINIMUM AND 0.8870 INCHES MAXIMUM0.8870 INCHES MAXIMUM IN; Overall Width: 0.1230 INCHES MINIMUM AND 0.1230 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM0.1260 INCHES MAXIMUM IN; Style Designator: FLAT RACE SURFACEFLAT RACE SURFACE. 4 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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