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A3-4YL180A1US252 — RING,WEARING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

A3-4YL180A1US252: RING,WEARING.

The RING,WEARING is a the manufacturer industrial component. Key specifications include body_style: PLAIN, corner_shape: SQUARE ALL CORNERS, overall_length: 1.000 INCHES NOMINAL IN, body_inside_diameter: 2.117 INCHES MINIMUM AND 2.118 INCHES MAXIMUM IN, body_outside_diameter: 2.500 INCHES MINIMUM AND 2.501 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4320-00-418-4804, 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
A3-4YL180A1US252
NSN: 4320-00-418-4804
FSC: 4320 — Power and Hand Pumps
CAGE: 10941 — CARVER PUMP COMPANY (USA)
SPECIFICATIONS
body_stylePLAIN
corner_shapeSQUARE ALL CORNERS
overall_length1.000 INCHES NOMINAL IN
body_inside_diameter2.117 INCHES MINIMUM AND 2.118 INCHES MAXIMUM IN
body_outside_diameter2.500 INCHES MINIMUM AND 2.501 INCHES MAXIMUM IN
NSN4320-00-418-4804
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,WEARING TITLE COMPONENT PN A3-4YL180A1US252 MFR RING,WEARING
KEY FEATURES
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY STYLE: PLAIN
•
BODY OUTSIDE DIAMETER: 2.500 INCHES MINIMUM AND 2.501 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 2.117 INCHES MINIMUM AND 2.118 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY STYLEPLAIN
BODY OUTSIDE DIAMETER2.500 INCHES MINIMUM AND 2.501 INCHES MAXIMUM IN
OVERALL LENGTH1.000 INCHES NOMINAL IN
BODY INSIDE DIAMETER2.117 INCHES MINIMUM AND 2.118 INCHES MAXIMUM 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 2
A-US7-02N-A-02-252Reference document
Same NSN cross-reference
Reference document — Secondary reference
US7-02N-102-252Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A3-4YL180A1US252?
A3-4YL180A1US252 is a RING,WEARING.
What parts can replace A3-4YL180A1US252?
There are 2 known substitutes for A3-4YL180A1US252: A-US7-02N-A-02-252, US7-02N-102-252. Substitute compatibility should be verified for your specific system.
What is the NSN for A3-4YL180A1US252?
A3-4YL180A1US252 is cataloged in the U.S. Government catalog under NSN 4320-00-418-4804. 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.