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CS4320-SR-0728 — RING,WEARING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

CS4320-SR-0728: RING,WEARING.

The RING,WEARING is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, body_style: PLAIN, corner_shape: SQUARE ALL CORNERS, overall_length: 1.000 INCHES NOMINAL IN, surface_finish: 125.0 MICROINCHES ALL SURFACES, body_inside_diameter: 4.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4320-01-180-7248, 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
CS4320-SR-0728
NSN: 4320-01-180-7248
FSC: 4320 — Power and Hand Pumps
CAGE: 16236 — DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS) (USA)
SPECIFICATIONS
materialNICKEL ALLOY
body_stylePLAIN
corner_shapeSQUARE ALL CORNERS
overall_length1.000 INCHES NOMINAL IN
surface_finish125.0 MICROINCHES ALL SURFACES
body_inside_diameter4.125 INCHES NOMINAL IN
body_outside_diameter4.749 INCHES NOMINAL IN
material_document_and_classificationQQ-N-288,COMP D FED SPEC SINGLE MATERIAL RESPONSE
NSN4320-01-180-7248
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,WEARING TITLE COMPONENT PN CS4320-SR-0728 MFR RING,WEARING
KEY FEATURES
•
SURFACE FINISH: 125.0 MICROINCHES ALL SURFACES
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY STYLE: PLAIN
•
BODY OUTSIDE DIAMETER: 4.749 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-288,COMP D FED SPEC SINGLE MATERIAL RESPONSE
•
BODY INSIDE DIAMETER: 4.125 INCHES NOMINAL IN
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES ALL SURFACES
CORNER SHAPESQUARE ALL CORNERS
BODY STYLEPLAIN
BODY OUTSIDE DIAMETER4.749 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288,COMP D FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH1.000 INCHES NOMINAL IN
BODY INSIDE DIAMETER4.125 INCHES NOMINAL IN
MATERIALNICKEL ALLOY
OTHER ITEMS IN FSC 4320 — Power and Hand Pumps
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4320-00-001-1633 4320-00-001-2628 4320-00-001-2629 4320-00-001-2630 4320-00-001-2631 4320-00-001-2632 4320-00-001-3377 4320-00-001-3384
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CS4320-SR-0728?
CS4320-SR-0728 is a RING,WEARING.
What is the NSN for CS4320-SR-0728?
CS4320-SR-0728 is cataloged in the U.S. Government catalog under NSN 4320-01-180-7248. 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.