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R57326-1 — RING,LANTERN

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

R57326-1: RING,LANTERN.

The RING,LANTERN is a the manufacturer industrial component. Key specifications include height: 0.322 INCHES NOMINAL IN, material: COPPER ALLOY OVERALL, inside_diameter: 4.000 INCHES NOMINAL IN, outside_diameter: 4.437 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4320-01-033-8387, 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
R57326-1
NSN: 4320-01-033-8387
FSC: 4320 — Power and Hand Pumps
CAGE: 8FGX3 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
height0.322 INCHES NOMINAL IN
materialCOPPER ALLOY OVERALL
inside_diameter4.000 INCHES NOMINAL IN
outside_diameter4.437 INCHES NOMINAL IN
NSN4320-01-033-8387
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,LANTERN TITLE COMPONENT PN R57326-1 MFR RING,LANTERN
KEY FEATURES
•
OUTSIDE DIAMETER: 4.437 INCHES NOMINAL IN
•
INSIDE DIAMETER: 4.000 INCHES NOMINAL IN
•
HEIGHT: 0.322 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER4.437 INCHES NOMINAL IN
INSIDE DIAMETER4.000 INCHES NOMINAL IN
HEIGHT0.322 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
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 R57326-1?
R57326-1 is a RING,LANTERN.
What is the NSN for R57326-1?
R57326-1 is cataloged in the U.S. Government catalog under NSN 4320-01-033-8387. 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.