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B80A — RING,WEARING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

B80A: RING,WEARING.

The RING,WEARING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, body_style: GROOVED, corner_shape: SQUARE ALL CORNERS, groove_depth: 0.031 INCHES NOMINAL IN, groove_width: 0.125 INCHES NOMINAL IN, overall_length: 0.562 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4320-00-203-9554, 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
B80A
NSN: 4320-00-203-9554
FSC: 4320 — Power and Hand Pumps
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialCOPPER ALLOY
body_styleGROOVED
corner_shapeSQUARE ALL CORNERS
groove_depth0.031 INCHES NOMINAL IN
groove_width0.125 INCHES NOMINAL IN
overall_length0.562 INCHES NOMINAL IN
surface_finish125.0 MICROINCHES INSIDE
groove_quantity2
body_inside_diameter3.812 INCHES MINIMUM AND 3.813 INCHES MAXIMUM IN
body_outside_diameter4.187 INCHES MINIMUM AND 4.189 INCHES MAXIMUM IN
distance_from_end_to_groove_center0.094 INCHES NOMINAL IN
material_document_and_classificationQQ-C-390,ALLOY D5 FED SPEC SINGLE MATERIAL RESPONSE
NSN4320-00-203-9554
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,WEARING TITLE COMPONENT PN B80A MFR RING,WEARING
KEY FEATURES
•
SURFACE FINISH: 125.0 MICROINCHES OUTSIDE
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY STYLE: GROOVED
•
BODY OUTSIDE DIAMETER: 4.187 INCHES MINIMUM AND 4.189 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-390,ALLOY D5 FED SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES OUTSIDE
SURFACE FINISH125.0 MICROINCHES LEFT FACE
SURFACE FINISH125.0 MICROINCHES INSIDE
SURFACE FINISH125.0 MICROINCHES RIGHT FACE
CORNER SHAPESQUARE ALL CORNERS
BODY STYLEGROOVED
BODY OUTSIDE DIAMETER4.187 INCHES MINIMUM AND 4.189 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY D5 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH0.562 INCHES NOMINAL IN
GROOVE DEPTH0.031 INCHES NOMINAL IN
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 B80A?
B80A is a RING,WEARING.
What is the NSN for B80A?
B80A is cataloged in the U.S. Government catalog under NSN 4320-00-203-9554. 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.