PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

401665Bearing,ball,annular

Richards Imagery Interpretation Systems, L.l.c. · NSN 3110-00-250-9599 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-250-9599 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-250-9599. Primary manufacturer part number: 401665.
Features
  • Bearing,ball,annular — FSC 3110
  • Retainer Fabrication Method: PRESSED
  • Surface Finish: GROUND
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Material: STEEL CORROSION RESISTING OVERALL
  • Bore Shape: STRAIGHT
  • Shield Quantity: 1
  • Load Direction: RADIAL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-250-9599, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Richards Imagery Interpretation Systems, L.l.c.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-250-9599
Primary Part Number401665
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerRichards Imagery Interpretation Systems, L.l.c.
StatusCANCELLED
Retainer Fabrication MethodPRESSED
Surface FinishGROUND
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL CORROSION RESISTING OVERALL
Bore ShapeSTRAIGHT
Shield Quantity1
Load DirectionRADIAL
Internal Clearance0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
Outer Ring Outside Diameter0.6250 INCHES NOMINAL IN
Flange Width0.0420 INCHES NOMINAL IN
Bore Diameter0.2500 INCHES NOMINAL IN
Standard Tolerance DesignationABEC NO.7
Flange Outside Diameter0.6900 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5945-00-053-41512450-01-1 INTERCHANGEABLE
Solenoid,electrical
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
2990-00-233-8484401665 INTERCHANGEABLE
Pipe,exhaust
Allianz Sweeper Company
2590-00-350-3204 INTERCHANGEABLE
Harness
2915-00-609-0806401665 INTERCHANGEABLE
Plunger,afterburner
Woodward, Inc. Div Fuel Systems and Controls
5835-01-155-0786401665 INTERCHANGEABLE
Head,magnetic
Dictaphone Corporation
6515-01-466-39614D1731 INTERCHANGEABLE
Catheter,bipolar Pacing
Daig Corp
Cross-Reference Index
Part NumberManufacturer
401665 Richards Imagery Interpretation Systems, L.l.c. (USA)
FS1KD7 Timken Co Div the Timken Company (USA)
SFR4P1 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
MIL-B-81793/08-JE1B2N1A1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
SSRF-4ZRA7P25LY01 New Hampshire Ball Bearings Inc Div Precision Division (USA)
Related Parts
5945-00-053-4151INTERCHANGEABLE
SOLENOID,ELECTRICAL
2450-01-1
2990-00-233-8484INTERCHANGEABLE
PIPE,EXHAUST
401665
2590-00-350-3204INTERCHANGEABLE
HARNESS
2915-00-609-0806INTERCHANGEABLE
PLUNGER,AFTERBURNER
401665
5835-01-155-0786INTERCHANGEABLE
HEAD,MAGNETIC
401665
6515-01-466-3961INTERCHANGEABLE
CATHETER,BIPOLAR PACING
4D1731

Frequently Asked Questions

What is NSN 3110-00-250-9599?

NSN 3110-00-250-9599 is a Bearing,ball,annular, manufactured by Richards Imagery Interpretation Systems, L.l.c., classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-250-9599?

NSN 3110-00-250-9599 has 5 cross-referenced part numbers: 401665 (Richards Imagery Interpretation Systems, L.l.c.), FS1KD7 (Timken Co Div the Timken Company), SFR4P1 (New Hampshire Ball Bearings Inc Div Hitech Division), MIL-B-81793/08-JE1B2N1A1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), SSRF-4ZRA7P25LY01 (New Hampshire Ball Bearings Inc Div Precision Division).

What NSN replaces 3110-00-250-9599?

There are 6 known substitutes for 3110-00-250-9599: 5945-00-053-4151, 2990-00-233-8484, 2590-00-350-3204 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 401665?

Key specifications for 401665: Retainer Fabrication Method: PRESSED; Surface Finish: GROUND; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE; Material: STEEL CORROSION RESISTING OVERALL. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-250-9599 still in active supply?

NSN 3110-00-250-9599 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.
PartsTable Design LLC · partstable.com