PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

Q8321Roller,bearing

Timken Aerospace, Inc Dba Torrington Product · NSN 3110-00-198-0510 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-198-0510 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-198-0510. Primary manufacturer part number: Q8321.
Features
  • Roller,bearing — FSC 3110
  • Rolling Element Diameter: 0.1873 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN
  • Style Designator: NEEDLE ROLLER, SPHERICAL ENDS
  • Material: STEEL COMP 5140 OVERALL
  • 3 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 Comp 5140 Overall construction
General Description

The Roller,bearing, cataloged under National Stock Number 3110-00-198-0510, 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 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-198-0510
Primary Part NumberQ8321
Item NameRoller,bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Aerospace, Inc Dba Torrington Product
StatusACTIVE
Rolling Element Diameter0.1873 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN
Style DesignatorNEEDLE ROLLER, SPHERICAL ENDS
MaterialSTEEL COMP 5140 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6650-00-232-790149525 INTERCHANGEABLE
Prism,optical Instrument,mounted
Brunson Instrument Company Dba Brunson Instrument Company
3120-00-662-039271-24-10 INTERCHANGEABLE
Bushing,sleeve
Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
Cross-Reference Index
Part NumberManufacturer
Q8321 PRIMARY Timken Aerospace, Inc Dba Torrington Product (USA)
A79764 Sasco Inc Canadian Div
712410 Army Weapons Command Attn Amswe-Ree-S (USA)
Related Parts
6650-00-232-7901INTERCHANGEABLE
PRISM,OPTICAL INSTRUMENT,MOUNTED
49525
3120-00-662-0392INTERCHANGEABLE
BUSHING,SLEEVE
71-24-10

Frequently Asked Questions

What is NSN 3110-00-198-0510?

NSN 3110-00-198-0510 is a Roller,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 3110-00-198-0510?

NSN 3110-00-198-0510 has 3 cross-referenced part numbers: Q8321 (Timken Aerospace, Inc Dba Torrington Product), A79764 (Sasco Inc Canadian Div), 712410 (Army Weapons Command Attn Amswe-Ree-S).

What NSN replaces 3110-00-198-0510?

There are 2 known substitutes for 3110-00-198-0510: 6650-00-232-7901, 3120-00-662-0392. Verify interchangeability with system specifications before substitution.

What are the specifications of Q8321?

Key specifications for Q8321: Rolling Element Diameter: 0.1873 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN; Style Designator: NEEDLE ROLLER, SPHERICAL ENDS; Overall Length: 0.8600 INCHES MINIMUM AND 0.8800 INCHES MAXIMUM IN; Material: STEEL COMP 5140 OVERALL. 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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