PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

99550Cone and Rollers,tapered Roller

The Timken Corporation · NSN 3110-00-100-9805 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-9805 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-9805. Primary manufacturer part number: 99550.
Features
  • Cone and Rollers,tapered Roller — FSC 3110
  • Cone Width: 2.6250 INCHES NOMINAL IN
  • Bore Diameter: 5.5000 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Cone Corner Radius: 0.2812 INCHES NOMINAL IN
  • Style Designator: NORMAL ANGLE
  • 3 verified cross-references
Applications
  • Applications requiring Steel Overall construction
General Description

The Cone and Rollers,tapered Roller, cataloged under National Stock Number 3110-00-100-9805, 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 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-100-9805
Primary Part Number99550
Item NameCone and Rollers,tapered Roller
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusACTIVE
Cone Width2.6250 INCHES NOMINAL IN
Bore Diameter5.5000 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Standard Tolerance DesignationAFBMA CLASS 2
Cone Corner Radius0.2812 INCHES NOMINAL IN
Style DesignatorNORMAL ANGLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4820-00-036-0055D1486 INTERCHANGEABLE
Disk,valve
Crane Co Div Valve Div
6710-00-211-3136 INTERCHANGEABLE
Plunger,contact
5120-00-903-854799-550 INTERCHANGEABLE
Holder,inserted Hammer Face
Nupla Corporation
5355-01-262-8185E62-05 INTERCHANGEABLE
Dial,control
Designatronics Inc Stock Drive Products Div
Cross-Reference Index
Part NumberManufacturer
99550 PRIMARY The Timken Corporation (USA)
705648 Army Weapons Command Attn Amswe-Ree-S (USA)
E6205 American Standard Inc Westinghouse Air Brake Co Div (USA)
Related Parts
4820-00-036-0055INTERCHANGEABLE
DISK,VALVE
D1486
6710-00-211-3136INTERCHANGEABLE
PLUNGER,CONTACT
5120-00-903-8547INTERCHANGEABLE
HOLDER,INSERTED HAMMER FACE
99-550
5355-01-262-8185INTERCHANGEABLE
DIAL,CONTROL
E62-05

Frequently Asked Questions

What is NSN 3110-00-100-9805?

NSN 3110-00-100-9805 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 3110-00-100-9805?

NSN 3110-00-100-9805 has 3 cross-referenced part numbers: 99550 (The Timken Corporation), 705648 (Army Weapons Command Attn Amswe-Ree-S), E6205 (American Standard Inc Westinghouse Air Brake Co Div).

What NSN replaces 3110-00-100-9805?

There are 4 known substitutes for 3110-00-100-9805: 4820-00-036-0055, 6710-00-211-3136, 5120-00-903-8547 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 99550?

Key specifications for 99550: Cone Width: 2.6250 INCHES NOMINAL IN; Bore Diameter: 5.5000 INCHES NOMINAL IN; Material: STEEL OVERALL; Standard Tolerance Designation: AFBMA CLASS 2. 6 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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