PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

868391Bearing,ball,annular

Westinghouse Electric Corp · NSN 3110-00-554-3309 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-554-3309 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-554-3309. Primary manufacturer part number: 868391.
Features
  • Bearing,ball,annular — FSC 3110
  • Internal Fit-Up Designation: STANDARD
  • Bearing Seal Type: LABYRINTH
  • Outer Ring Width: 8.00 MILLIMETERS NOMINAL MM
  • Surface Finish: GROUND
  • Seal Quantity: 1
  • Inner Ring Width: 0.3860 INCHES NOMINAL IN
  • Standard Tolerance Designation: ABEC NO.1
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel and Steel or Wool Seal construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-554-3309, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Westinghouse Electric Corp. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 29 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
NSN3110-00-554-3309
Primary Part Number868391
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerWestinghouse Electric Corp
StatusCANCELLED
Internal Fit-Up DesignationSTANDARD
Bearing Seal TypeLABYRINTH
Outer Ring Width8.00 MILLIMETERS NOMINAL MM
Surface FinishGROUND
Seal Quantity1
Inner Ring Width0.3860 INCHES NOMINAL IN
Standard Tolerance DesignationABEC NO.1
Bore ShapeSTRAIGHT
Retainer Fabrication MethodPRESSED
MaterialSTEEL AND STEEL OR WOOL SEAL
MaterialSTEEL INNER RING
MaterialSTEEL OUTER RING
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL RETAINER
MaterialSTEEL BALL
Load DirectionRADIAL
Bore Diameter7.00 MILLIMETERS NOMINAL MM
Overall Outside Diameter0.9949 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5977-00-065-5620 INTERCHANGEABLE
Holder Assembly,electrical Conta
5365-00-106-05932338 INTERCHANGEABLE
Spacer,sleeve
Dialight Corporation
5310-00-285-87072-338 INTERCHANGEABLE
Nut,plain,slotted,hexagon
Precision Aerospace Corporation Dba Precision Engine Control
8010-00-297-2102 INTERCHANGEABLE
Paint,rubber
6685-00-389-79352338 INTERCHANGEABLE
Gage,vacuum,indicating
Allied Healthcare Products, Inc. Dba Allied
5930-00-588-961241763 INTERCHANGEABLE
Switch Assembly
Setra Systems, Inc. Dba Gems Sensors
5330-00-735-9219233-8 INTERCHANGEABLE
Packing with Retainer
Parker-Hannifin Corp Div O-Ring Division
5120-00-974-6361 INTERCHANGEABLE
Nutdriver
4720-01-108-6264233-8 INTERCHANGEABLE
Hose,nonmetallic
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
5360-01-190-622041763 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
156026 Royal Appliance Mfg. Co. (USA)
C8007 General Motors Corp (USA)
C8007X1 General Motors Corp (USA)
868391 PRIMARY Westinghouse Electric Corp (USA)
701043 Army Weapons Command Attn Amswe-Ree-S (USA)
2338 PRIMARY Hdt Expeditionary Systems Inc (USA)
41763 General Electric Company (USA)
37FS1 Skf Usa Inc. (USA)
8007X1C General Motors Corp Delco Moraine Ndh Div (USA)
8007X1 General Motors Corp (USA)
4176304PT2 General Electric Company (USA)
8007 Borgwarner Pds (anderson), L.l.c. (USA)
8007 General Motors Corp Delco Moraine Ndh Div (USA)
2031 PRIMARY Skil Corp (USA)
1045847 PRIMARY Westinghouse Electric Corp (USA)
2031 General Motors Corp Delco Products Div Machine Control Systems (USA)
C8007X1 General Motors Corp Delco Moraine Ndh Div (USA)
FS8007 Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
2031 General Electric Company (USA)
116246 PRIMARY Goodrich Corporation Dba Goodrich Corp (USA)
Related Parts
5977-00-065-5620INTERCHANGEABLE
HOLDER ASSEMBLY,ELECTRICAL CONTA
5365-00-106-0593INTERCHANGEABLE
SPACER,SLEEVE
2338
5310-00-285-8707INTERCHANGEABLE
NUT,PLAIN,SLOTTED,HEXAGON
2-338
8010-00-297-2102INTERCHANGEABLE
PAINT,RUBBER
6685-00-389-7935INTERCHANGEABLE
GAGE,VACUUM,INDICATING
2338
5930-00-588-9612INTERCHANGEABLE
SWITCH ASSEMBLY
41763
5330-00-735-9219INTERCHANGEABLE
PACKING WITH RETAINER
233-8
5120-00-974-6361INTERCHANGEABLE
NUTDRIVER
4720-01-108-6264INTERCHANGEABLE
HOSE,NONMETALLIC
233-8
5360-01-190-6220INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
41763
5950-01-214-2347INTERCHANGEABLE
TRANSFORMER,POWER
SM-D-921515
5320-01-265-6701INTERCHANGEABLE
RIVET,TUBULAR
C8007

Frequently Asked Questions

What is NSN 3110-00-554-3309?

NSN 3110-00-554-3309 is a Bearing,ball,annular, manufactured by Westinghouse Electric Corp, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-554-3309?

NSN 3110-00-554-3309 has 29 cross-referenced part numbers: 156026 (Royal Appliance Mfg. Co.), C8007 (General Motors Corp), C8007X1 (General Motors Corp), 868391 (Westinghouse Electric Corp), 701043 (Army Weapons Command Attn Amswe-Ree-S) and 24 more.

What NSN replaces 3110-00-554-3309?

There are 12 known substitutes for 3110-00-554-3309: 5977-00-065-5620, 5365-00-106-0593, 5310-00-285-8707 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 868391?

Key specifications for 868391: Internal Fit-Up Designation: STANDARD; Bearing Seal Type: LABYRINTH; Overall Width: 0.4060 INCHES NOMINAL IN; Outer Ring Width: 8.00 MILLIMETERS NOMINAL MM. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-554-3309 still in active supply?

NSN 3110-00-554-3309 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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