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Technical Data Sheet
PartsTable / COMPONENT / E-28
E-28 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440A OVERALL A, bore_shape: STRAIGHT, flange_width: 0.0230 INCHES NOMINAL IN, bore_diameter: 0.2500 INCHES NOMINAL IN, overall_width: 0.1250 INCHES NOMINAL IN, alignment_type: RIGID. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-277-8314, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
E-28
NSN: 5120-00-277-8314
FSC: 5120
CAGE: 07971 — BONNEY FORGE CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 440A OVERALL A
bore_shapeSTRAIGHT
flange_width0.0230 INCHES NOMINAL IN
bore_diameter0.2500 INCHES NOMINAL IN
overall_width0.1250 INCHES NOMINAL IN
alignment_typeRIGID
load_directionRADIAL
overall_height0.8125 INCHES NOMINAL IN
overall_length3.940 INCHES MAXIMUM IN
surface_finishGROUND
special_featuresFORGED STEEL
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
NSN5120-00-277-8314
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BEARING,BALL,ANNULAR TITLE COMPONENT PN E-28 MFR BEARING,BALL,ANNULAR
KEY FEATURES
•
SMALL END HEAD THICKNESS: 0.156 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT: CHROMIUM OVERALL
•
WRENCHING SURFACE SIZE: 0.375 INCHES NOMINAL SECOND END IN
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 2 CLASS
•
WRENCHING SURFACE SHAPE: OVAL BOTH ENDS INTERNAL
•
LARGE END HEAD THICKNESS: 0.156 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SMALL END HEAD THICKNESS0.156 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
SURFACE TREATMENTCHROMIUM OVERALL
WRENCHING SURFACE SIZE0.375 INCHES NOMINAL SECOND END IN
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 2 CLASS
WRENCHING SURFACE SHAPEOVAL BOTH ENDS INTERNAL
SPECIAL FEATURESFORGED STEEL
LARGE END HEAD THICKNESS0.156 INCHES MAXIMUM IN
SMALL END HEAD ANGLE60.0 DEGREES NOMINAL
WRENCHING SURFACE SIZE0.344 INCHES NOMINAL FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
WC65Interchangeable
interchangeable cross-reference
interchangeable
GGG-W-636Interchangeable
interchangeable cross-reference
interchangeable
GGG-W-636 TY6Interchangeable
interchangeable cross-reference
interchangeable
B107.39Interchangeable
interchangeable cross-reference
interchangeable
A-A-1355Interchangeable
interchangeable cross-reference
interchangeable
V1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E-28?
E-28 is a BEARING,BALL,ANNULAR.
What parts can replace E-28?
There are 18 known substitutes for E-28: WC65, GGG-W-636, GGG-W-636 TY6 and 15 more. Substitute compatibility should be verified for your specific system.
Is E-28 still available?
E-28 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026