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218020214 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

218020214: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, overall_height: 1.250 INCHES NOMINAL IN, shoulder_height: 0.500 INCHES NOMINAL IN, outside_diameter: 2.500 INCHES NOMINAL IN, special_features: A/K/A PLUG, END, LOWER, bolt_circle_diameter: 2.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-442-0793, 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
218020214
NSN: 4820-01-442-0793
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY
overall_height1.250 INCHES NOMINAL IN
shoulder_height0.500 INCHES NOMINAL IN
outside_diameter2.500 INCHES NOMINAL IN
special_featuresA/K/A PLUG, END, LOWER
bolt_circle_diameter2.000 INCHES NOMINAL IN
end_item_identificationSEAWOLF CLASS SSN
NSN4820-01-442-0793
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 218020214 · 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
•
SHOULDER HEIGHT: 0.500 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 2.500 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 2.000 INCHES NOMINAL IN
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.250 INCHES NOMINAL IN
SHOULDER HEIGHT0.500 INCHES NOMINAL IN
OUTSIDE DIAMETER2.500 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER2.000 INCHES NOMINAL IN
SPECIAL FEATURESA/K/A PLUG, END, LOWER
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
MATERIALNICKEL ALLOY
SUBSTITUTES & CROSS-REFERENCES 5
6556655Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
2643-1002-63 FN 10Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2643-1002-63Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
801-6556655-A10Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
801-6556655 FIND A10Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 218020214?
218020214 is a DISK,VALVE.
What parts can replace 218020214?
There are 5 known substitutes for 218020214: 6556655, 2643-1002-63 FN 10, 2643-1002-63 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 218020214?
218020214 is cataloged in the U.S. Government catalog under NSN 4820-01-442-0793. 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.