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55-2201219A0S — RING,WEARING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

55-2201219A0S: RING,WEARING.

The RING,WEARING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, body_style: PLAIN W/INTERNAL FLANGE, corner_shape: SQUARE ALL CORNERS, overall_length: 1.000 INCHES NOMINAL IN, surface_finish: 250.0 MICROINCHES ALL SURFACES, body_inside_diameter: 7.501 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4320-00-640-5822, 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
55-2201219A0S
NSN: 4320-00-640-5822
FSC: 4320 — Power and Hand Pumps
CAGE: 52081 — EURAMCO SAFETY INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
body_stylePLAIN W/INTERNAL FLANGE
corner_shapeSQUARE ALL CORNERS
overall_length1.000 INCHES NOMINAL IN
surface_finish250.0 MICROINCHES ALL SURFACES
body_inside_diameter7.501 INCHES NOMINAL IN
body_outside_diameter8.002 INCHES NOMINAL IN
internal_flange_width0.234 INCHES NOMINAL IN
internal_flange_inside_diameter7.487 INCHES NOMINAL IN
NSN4320-00-640-5822
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,WEARING TITLE COMPONENT PN 55-2201219A0S MFR RING,WEARING
KEY FEATURES
•
SURFACE FINISH: 250.0 MICROINCHES ALL SURFACES
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY STYLE: PLAIN W/INTERNAL FLANGE
•
BODY OUTSIDE DIAMETER: 8.002 INCHES NOMINAL IN
•
INTERNAL FLANGE INSIDE DIAMETER: 7.487 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 7.501 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
SURFACE FINISH250.0 MICROINCHES ALL SURFACES
CORNER SHAPESQUARE ALL CORNERS
BODY STYLEPLAIN W/INTERNAL FLANGE
BODY OUTSIDE DIAMETER8.002 INCHES NOMINAL IN
OVERALL LENGTH1.000 INCHES NOMINAL IN
INTERNAL FLANGE INSIDE DIAMETER7.487 INCHES NOMINAL IN
BODY INSIDE DIAMETER7.501 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
INTERNAL FLANGE WIDTH0.234 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 2
CS6405822Reference document
Same NSN cross-reference
Reference document — Secondary reference
08-102-625-00-001Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 55-2201219A0S?
55-2201219A0S is a RING,WEARING.
What parts can replace 55-2201219A0S?
There are 2 known substitutes for 55-2201219A0S: CS6405822, 08-102-625-00-001. Substitute compatibility should be verified for your specific system.
What is the NSN for 55-2201219A0S?
55-2201219A0S is cataloged in the U.S. Government catalog under NSN 4320-00-640-5822. 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.