PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1228997-1Bearing,ball,annular

Mpb Corp Div Timken Super Precision · NSN 3110-00-606-1050 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-606-1050 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-606-1050. Primary manufacturer part number: 1228997-1.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Diameter: 0.2498 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Material: STEEL COMP E52100 OVERALL
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Load Direction: RADIAL
  • Bore Shape: STRAIGHT
  • Retainer Fabrication Method: PRESSED
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E52100 Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-606-1050, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Mpb Corp Div Timken Super Precision. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 6 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
NSN3110-00-606-1050
Primary Part Number1228997-1
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerMpb Corp Div Timken Super Precision
StatusACTIVE
Bore Diameter0.2498 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL COMP E52100 OVERALL
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Load DirectionRADIAL
Bore ShapeSTRAIGHT
Retainer Fabrication MethodPRESSED
Shield Quantity1
Internal Clearance0.0008 INCHES MINIMUM RADIAL AND 0.0011 INCHES MAXIMUM RADIAL IN
Outer Ring Outside Diameter0.6248 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
Flange Width0.0630 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN
Flange Outside Diameter0.9990 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
Surface FinishGROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-382-8594A57-3 INTERCHANGEABLE
Washer,thick
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5360-00-447-6288 INTERCHANGEABLE
Spring,helical,compression
5915-00-683-70471988174PC4 INTERCHANGEABLE
Filter,radio Frequency Interfere
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5915-00-866-4280 INTERCHANGEABLE
Filter,radio Frequency Interfere
Cross-Reference Index
Part NumberManufacturer
A573 Mpb Corp Div Timken Super Precision (USA)
1228997-1 PRIMARY Mpb Corp Div Timken Super Precision (USA)
1228997-1 PRIMARY New Hampshire Ball Bearings Inc Div Precision Division (USA)
1228997-1 PRIMARY Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
SR4FRHA57B Mpb Corp Div Timken Super Precision (USA)
RF-4ZSD522RA5P811T40L02U New Hampshire Ball Bearings Inc Div Precision Division (USA)
PZ96SW6VL Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
1228997 Honeywell International Inc. Dba Honeywell International (USA)
A573-000 Mpb Corp Div Timken Super Precision (USA)
1228997-1 Honeywell Intl Inc Defense Avionics Systems (USA)
1228997-1 PRIMARY Honeywell International Inc. Dba Honeywell International (USA)
Z96SWV6L442 Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
4329WK811 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
Related Parts
5310-00-382-8594INTERCHANGEABLE
WASHER,THICK
A57-3
5360-00-447-6288INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5915-00-683-7047INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
1988174PC4
5915-00-866-4280INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE

Frequently Asked Questions

What is NSN 3110-00-606-1050?

NSN 3110-00-606-1050 is a Bearing,ball,annular, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-606-1050?

NSN 3110-00-606-1050 has 13 cross-referenced part numbers: A573 (Mpb Corp Div Timken Super Precision), 1228997-1 (Mpb Corp Div Timken Super Precision), 1228997-1 (New Hampshire Ball Bearings Inc Div Precision Division), 1228997-1 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation), SR4FRHA57B (Mpb Corp Div Timken Super Precision) and 8 more.

What NSN replaces 3110-00-606-1050?

There are 4 known substitutes for 3110-00-606-1050: 5310-00-382-8594, 5360-00-447-6288, 5915-00-683-7047 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1228997-1?

Key specifications for 1228997-1: Bore Diameter: 0.2498 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE; Material: STEEL COMP E52100 OVERALL; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL. 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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