PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H2260PC91Cam Follower,needle Bearing

Siemens Energy, Inc. · NSN 3110-00-555-4381 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-555-4381 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-555-4381. Primary manufacturer part number: H2260PC91.
Features
  • Cam Follower,needle Bearing — FSC 3110
  • Overall Outside Diameter: 1.0000 INCHES NOMINAL IN
  • Stud Length: 1.0000 INCHES NOMINAL IN
  • Outer Ring Width: 0.5000 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Thread Length: 0.5000 INCHES NOMINAL IN
  • Thread Class: 2A A
  • Stud Diameter: 0.6250 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Cam Follower,needle Bearing, cataloged under National Stock Number 3110-00-555-4381, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Siemens Energy, Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-555-4381
Primary Part NumberH2260PC91
Item NameCam Follower,needle Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSiemens Energy, Inc.
StatusACTIVE
Overall Outside Diameter1.0000 INCHES NOMINAL IN
Stud Length1.0000 INCHES NOMINAL IN
Outer Ring Width0.5000 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Length0.5000 INCHES NOMINAL IN
Thread Class2A A
Stud Diameter0.6250 INCHES NOMINAL IN
Thread Quantity Per Inch18
Thread Series DesignatorUNF
Surface TreatmentOXIDE ALL EXTERNAL/EXPOSED METAL SURFACES
Style DesignatorCAM FOLLOWER
MaterialSTEEL OVERALL
Nominal Thread Size0.6250 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5945-00-258-28281116775 INTERCHANGEABLE
Relay,electromagnetic
General Motors Llc Dba General Motors Llc
5930-00-272-1412 INTERCHANGEABLE
Housing,sensitive Switch
5999-00-534-7823HR1 INTERCHANGEABLE
Contact,electrical
Communications & Power Industries Llc Dba Cpi Div Microwave Power Products Division - Eimac Operations
3426-01-264-2626 INTERCHANGEABLE
Anode,plating
5340-01-281-11466289752 INTERCHANGEABLE
Catch,clamping
Cadillac Gage Textron Inc.
6685-01-534-8882HR1 INTERCHANGEABLE
Control,humidity
Dale Cleaning Service
6685-01-553-1456HR1 INTERCHANGEABLE
Humidity Element,hair
Regin Hvac Products, Inc.
Cross-Reference Index
Part NumberManufacturer
HCS31 Accurate Bushing Company, Inc. (USA)
H2260PC91 PRIMARY Siemens Energy, Inc. (USA)
999999K006 PRIMARY Naval Ship Systems Command (USA)
HR-1 PRIMARY Accurate Bushing Company, Inc. (USA)
Related Parts
5945-00-258-2828INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
1116775
5930-00-272-1412INTERCHANGEABLE
HOUSING,SENSITIVE SWITCH
5999-00-534-7823INTERCHANGEABLE
CONTACT,ELECTRICAL
HR1
3426-01-264-2626INTERCHANGEABLE
ANODE,PLATING
5340-01-281-1146INTERCHANGEABLE
CATCH,CLAMPING
6289752
6685-01-534-8882INTERCHANGEABLE
CONTROL,HUMIDITY
HR1
6685-01-553-1456INTERCHANGEABLE
HUMIDITY ELEMENT,HAIR
HR1

Frequently Asked Questions

What is NSN 3110-00-555-4381?

NSN 3110-00-555-4381 is a Cam Follower,needle Bearing, manufactured by Siemens Energy, Inc., classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-555-4381?

NSN 3110-00-555-4381 has 4 cross-referenced part numbers: HCS31 (Accurate Bushing Company, Inc.), H2260PC91 (Siemens Energy, Inc.), 999999K006 (Naval Ship Systems Command), HR-1 (Accurate Bushing Company, Inc.).

What NSN replaces 3110-00-555-4381?

There are 7 known substitutes for 3110-00-555-4381: 5945-00-258-2828, 5930-00-272-1412, 5999-00-534-7823 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H2260PC91?

Key specifications for H2260PC91: Overall Length: 1.6563 INCHES NOMINAL IN; Overall Outside Diameter: 1.0000 INCHES NOMINAL IN; Stud Length: 1.0000 INCHES NOMINAL IN; Outer Ring Width: 0.5000 INCHES NOMINAL IN. 14 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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