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216930 — DISK,RUPTURABLE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

216930: DISK,RUPTURABLE.

The DISK,RUPTURABLE is a the manufacturer industrial component. Key specifications include disk_size: 2.000 INCHES IN, disk_type: COMPOSITE, disk_material: NICKEL ALLOY, burst_pressure: 16.8 PRESSURE POUNDS PER SQUARE INCH ABSOLUTE, burst_temperature: 80.0 FAHRENHEIT DEGF, features_provided: NONFRAGMENTING AND VACUUM SUPPORT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-440-5876, 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
216930
NSN: 4820-01-440-5876
FSC: 4820 — Valves, Nonpowered
CAGE: 25515 — CONTINENTAL DISC CORPORATION, LLC (USA)
SPECIFICATIONS
disk_size2.000 INCHES IN
disk_typeCOMPOSITE
disk_materialNICKEL ALLOY
burst_pressure16.8 PRESSURE POUNDS PER SQUARE INCH ABSOLUTE
burst_temperature80.0 FAHRENHEIT DEGF
features_providedNONFRAGMENTING AND VACUUM SUPPORT
cross-sectional_shapeCONCAVE
NSN4820-01-440-5876
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 216930 · 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
•
DISK MATERIAL: NICKEL ALLOY
•
BURST PRESSURE: 16.8 PRESSURE POUNDS PER SQUARE INCH ABSOLUTE
•
BURST TEMPERATURE: 80.0 FAHRENHEIT DEGF
•
DISK TYPE: COMPOSITE
•
FEATURES PROVIDED: NONFRAGMENTING AND VACUUM SUPPORT
•
CROSS-SECTIONAL SHAPE: CONCAVE
•
DISK SIZE: 2.000 INCHES IN
TECHNICAL CHARACTERISTICS
DISK MATERIALNICKEL ALLOY
BURST PRESSURE16.8 PRESSURE POUNDS PER SQUARE INCH ABSOLUTE
BURST TEMPERATURE80.0 FAHRENHEIT DEGF
DISK TYPECOMPOSITE
FEATURES PROVIDEDNONFRAGMENTING AND VACUUM SUPPORT
CROSS-SECTIONAL SHAPECONCAVE
DISK SIZE2.000 INCHES IN
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
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 216930?
216930 is a DISK,RUPTURABLE.
What is the NSN for 216930?
216930 is cataloged in the U.S. Government catalog under NSN 4820-01-440-5876. 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.