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A679-28-2 — RING,WEARING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

A679-28-2: RING,WEARING.

The RING,WEARING is a the manufacturer industrial component. Key specifications include material: STEEL, body_style: PLAIN, corner_shape: SQUARE ALL CORNERS, overall_length: 1.000 INCHES NOMINAL IN, special_features: ONE UNTHREADED HOLE 0.306 IN. DIA LOCATED ON OD OF ITEM PERPENDICULAR TO BORE IN, body_inside_diameter: 4.312 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 4320-00-346-1732, 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
A679-28-2
NSN: 4320-00-346-1732
FSC: 4320 — Power and Hand Pumps
CAGE: 79218 — WATEROUS COMPANY (USA)
SPECIFICATIONS
materialSTEEL
body_stylePLAIN
corner_shapeSQUARE ALL CORNERS
overall_length1.000 INCHES NOMINAL IN
special_featuresONE UNTHREADED HOLE 0.306 IN. DIA LOCATED ON OD OF ITEM PERPENDICULAR TO BORE IN
body_inside_diameter4.312 INCHES NOMINAL IN
body_outside_diameter5.125 INCHES NOMINAL IN
NSN4320-00-346-1732
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,WEARING TITLE COMPONENT PN A679-28-2 MFR RING,WEARING
KEY FEATURES
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY STYLE: PLAIN
•
BODY OUTSIDE DIAMETER: 5.125 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 4.312 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY STYLEPLAIN
BODY OUTSIDE DIAMETER5.125 INCHES NOMINAL IN
OVERALL LENGTH1.000 INCHES NOMINAL IN
BODY INSIDE DIAMETER4.312 INCHES NOMINAL IN
SPECIAL FEATURESONE UNTHREADED HOLE 0.306 IN. DIA LOCATED ON OD OF ITEM PERPENDICULAR TO BORE IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 1
5983Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A679-28-2?
A679-28-2 is a RING,WEARING.
What parts can replace A679-28-2?
There is 1 known substitute for A679-28-2: 5983. Substitute compatibility should be verified for your specific system.
What is the NSN for A679-28-2?
A679-28-2 is cataloged in the U.S. Government catalog under NSN 4320-00-346-1732. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.