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L20A16A1 — RING,WEARING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

L20A16A1: 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: 2.000 INCHES NOMINAL IN, body_inside_diameter: 18.998 INCHES MINIMUM AND 19.002 INCHES MAXIMUM IN, body_outside_diameter: 20.004 INCHES MINIMUM AND 20.006 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4320-00-400-6563, 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
L20A16A1
NSN: 4320-00-400-6563
FSC: 4320 — Power and Hand Pumps
CAGE: 10613 — PENTAIR PUMP GROUP, INC. DBA FAIRBANKS MORSE PUMP (USA)
SPECIFICATIONS
materialNICKEL ALLOY
body_stylePLAIN
corner_shapeSQUARE ALL CORNERS
overall_length2.000 INCHES NOMINAL IN
body_inside_diameter18.998 INCHES MINIMUM AND 19.002 INCHES MAXIMUM IN
body_outside_diameter20.004 INCHES MINIMUM AND 20.006 INCHES MAXIMUM IN
NSN4320-00-400-6563
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,WEARING TITLE COMPONENT PN L20A16A1 MFR RING,WEARING
KEY FEATURES
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY STYLE: PLAIN
•
BODY OUTSIDE DIAMETER: 20.004 INCHES MINIMUM AND 20.006 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 18.998 INCHES MINIMUM AND 19.002 INCHES MAXIMUM IN
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY STYLEPLAIN
BODY OUTSIDE DIAMETER20.004 INCHES MINIMUM AND 20.006 INCHES MAXIMUM IN
OVERALL LENGTH2.000 INCHES NOMINAL IN
BODY INSIDE DIAMETER18.998 INCHES MINIMUM AND 19.002 INCHES MAXIMUM 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 1
RL20A16AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is L20A16A1?
L20A16A1 is a RING,WEARING.
What parts can replace L20A16A1?
There is 1 known substitute for L20A16A1: RL20A16A. Substitute compatibility should be verified for your specific system.
What is the NSN for L20A16A1?
L20A16A1 is cataloged in the U.S. Government catalog under NSN 4320-00-400-6563. 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.