PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8538311-6Bearing,ball,annular

Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin · NSN 3110-00-618-9266 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-618-9266 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-618-9266. Primary manufacturer part number: 8538311-6.
Features
  • Bearing,ball,annular — FSC 3110
  • Alignment Type: RIGID
  • Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
  • Outer Ring Width: 0.1875 INCHES NOMINAL IN
  • Internal Clearance: 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
  • Shield Quantity: 2
  • Retainer Fabrication Method: PRESSED
  • Bore Shape: STRAIGHT
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Corrosion Resisting Retainer construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-618-9266, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 40 commercial cross-references from 17 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-618-9266
Primary Part Number8538311-6
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerLockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin
StatusCANCELLED
Alignment TypeRIGID
Lubrication Material Document and ClassificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
Outer Ring Width0.1875 INCHES NOMINAL IN
Internal Clearance0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
Shield Quantity2
Retainer Fabrication MethodPRESSED
Bore ShapeSTRAIGHT
Lubrication MaterialGREASE
Inner Ring Width0.2187 INCHES NOMINAL IN
Load DirectionRADIAL
Surface FinishGROUND
Flange Outside Diameter0.5470 INCHES NOMINAL IN
Flange Width0.0450 INCHES NOMINAL IN
Outer Ring Outside Diameter0.5000 INCHES NOMINAL IN
Standard Tolerance DesignationABEC NO.7
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE SHIELD
MaterialSTEEL CORROSION RESISTING RETAINER
MaterialSTEEL COMP 440C BALL
MaterialSTEEL COMP 440C SHIELD
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OUTER RING
MaterialSTEEL COMP 440C OUTER RING
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE BALL
MaterialSTEEL COMP 440C INNER RING
Surface Treatment Document and ClassificationASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE INNER RING
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Bore Diameter0.2500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-034-2162 INTERCHANGEABLE
Bearing,ball,annular
6610-00-076-251141418 INTERCHANGEABLE
Arm Assy,flag
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
3110-00-085-7842 INTERCHANGEABLE
Bearing,ball,annular
3110-00-324-6993 INTERCHANGEABLE
Bearing,ball,annular
5895-00-387-4685MP50 INTERCHANGEABLE
Bracket,mast,mounti
Barbara J Knight Dba Barbara J Knight
5950-00-422-24878551488-1 INTERCHANGEABLE
Transformer,power
Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories
5950-00-477-555741418 INTERCHANGEABLE
Inductor,power
Freed Transformer Co
5340-00-497-8705SC-D-1520 INTERCHANGEABLE
Bracket,mast Base
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3110-00-739-7058 INTERCHANGEABLE
Bearing,ball,annular
3110-00-768-7521 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
8538311-6 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
S814FCHHE5 Mpb Corp Div Timken Super Precision (USA)
SFR188PPEEXK25MILG3278 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
SFRW188SSG2 Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
S814FCHHE7P25LY-167 Mpb Corp Div Timken Super Precision (USA)
41418 Datron Systems Inc (USA)
SFR188PPEEK25-8 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
77ENM1632DZD5E General Motors Corp Delco Moraine Ndh Div (USA)
M81793/16-KD2C2N1E1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
SFR188PPEEK25-168 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
MIL-B-81793/16 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
203-003-0012 United Aircraft Corp Norden Division Ketay Dept
77ENM1632DZD5E General Motors Corp (USA)
SS77ENM1632DZJ5E General Motors Corp Delco Moraine Ndh Div (USA)
SFR188PPEEK24-8 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
M81793-FHFIAA01BC71AXB Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
S814FCHHELG31 Mpb Corp Div Timken Super Precision (USA)
1808911-13 Northrop Grumman Systems Corporation (USA)
1808911 DASH NUMBER 13 Northrop Grumman Systems Corporation (USA)
S814FCHHELG22 Mpb Corp Div Timken Super Precision (USA)
Related Parts
3110-00-034-2162INTERCHANGEABLE
BEARING,BALL,ANNULAR
6610-00-076-2511INTERCHANGEABLE
ARM ASSY,FLAG
41418
3110-00-085-7842INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-324-6993INTERCHANGEABLE
BEARING,BALL,ANNULAR
5895-00-387-4685INTERCHANGEABLE
BRACKET,MAST,MOUNTI
MP50
5950-00-422-2487INTERCHANGEABLE
TRANSFORMER,POWER
8551488-1
5950-00-477-5557INTERCHANGEABLE
INDUCTOR,POWER
41418
5340-00-497-8705INTERCHANGEABLE
BRACKET,MAST BASE
SC-D-1520
3110-00-739-7058INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-768-7521INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-768-7522INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-773-9557INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 3110-00-618-9266?

NSN 3110-00-618-9266 is a Bearing,ball,annular, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-618-9266?

NSN 3110-00-618-9266 has 40 cross-referenced part numbers: 8538311-6 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), S814FCHHE5 (Mpb Corp Div Timken Super Precision), SFR188PPEEXK25MILG3278 (New Hampshire Ball Bearings Inc Div Hitech Division), SFRW188SSG2 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation), S814FCHHE7P25LY-167 (Mpb Corp Div Timken Super Precision) and 35 more.

What NSN replaces 3110-00-618-9266?

There are 12 known substitutes for 3110-00-618-9266: 3110-00-034-2162, 6610-00-076-2511, 3110-00-085-7842 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8538311-6?

Key specifications for 8538311-6: Alignment Type: RIGID; Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE; Outer Ring Width: 0.1875 INCHES NOMINAL IN; Internal Clearance: 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN. 28 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-618-9266 still in active supply?

NSN 3110-00-618-9266 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.
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