PartsTable
Technical Data Sheet
Download PDF

66-8052 — RING,LANTERN

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

66-8052: RING,LANTERN.

The RING,LANTERN is a the manufacturer industrial component. Key specifications include height: 0.375 INCHES NOMINAL IN, material: COPPER ALLOY OVERALL, inside_diameter: 1.656 INCHES NOMINAL IN, outside_diameter: 2.365 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-529-3117, 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
66-8052
NSN: 4820-00-529-3117
NIINs: 005293117, 011381919
FSC: 4820 — Valves, Nonpowered
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
height0.375 INCHES NOMINAL IN
materialCOPPER ALLOY OVERALL
inside_diameter1.656 INCHES NOMINAL IN
outside_diameter2.365 INCHES NOMINAL IN
NSN4820-00-529-3117
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 66-8052 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FLOW CONTROL DEVICE: POPPET
•
CONNECTION STYLE: EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
•
MOUNTING POSITION: HORIZONTAL OR VERTICAL
•
CONNECTION TYPE: THREADED EXTERNAL BOSS FIRST END
•
STYLE DESIGNATOR: STRAIGHT THRU
•
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
THREAD DIRECTION: RIGHT-HAND FIRST END
•
NOMINAL THREAD SIZE: 0.438 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
MOUNTING POSITIONHORIZONTAL OR VERTICAL
CONNECTION TYPETHREADED EXTERNAL BOSS FIRST END
STYLE DESIGNATORSTRAIGHT THRU
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD DIRECTIONRIGHT-HAND FIRST END
NOMINAL THREAD SIZE0.438 INCHES FIRST END IN
DISK LOADING METHODSPRING
SURFACE TREATMENTANODIZE
SUBSTITUTES & CROSS-REFERENCES 2
4CV4410Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
4CV442Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
Ready to buy 66-8052?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 66-8052?
66-8052 is a RING,LANTERN.
What parts can replace 66-8052?
There are 2 known substitutes for 66-8052: 4CV4410, 4CV442. Substitute compatibility should be verified for your specific system.
What is the NSN for 66-8052?
66-8052 is cataloged in the U.S. Government catalog under NSN 4820-00-529-3117. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 66-8052

✓ 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.