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2166662 — DISK,RUPTURABLE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2166662: DISK,RUPTURABLE.

The DISK,RUPTURABLE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 630 OVERALL, head_height: 1.312 INCHES NOMINAL IN, thread_length: 1.625 INCHES NOMINAL EXTERNAL IN, overall_length: 2.062 INCHES NOMINAL IN, flange_diameter: 1.875 INCHES NOMINAL IN, connection_style: PLAIN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-931-2412, 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
2166662
NSN: 4820-00-931-2412
NIINs: 009312412, 012110301, 014003286
FSC: 4820 — Valves, Nonpowered
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialCOPPER ALLOY 630 OVERALL
head_height1.312 INCHES NOMINAL IN
thread_length1.625 INCHES NOMINAL EXTERNAL IN
overall_length2.062 INCHES NOMINAL IN
flange_diameter1.875 INCHES NOMINAL IN
connection_stylePLAIN
flange_thickness0.250 INCHES NOMINAL IN
style_designatorPLUG, MACHINE
thread_series_designatorUN EXTERNAL
NSN4820-00-931-2412
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2166662 · 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: SILVER
•
BURST PRESSURE: 3200.0 PRESSURE POUNDS PER SQUARE INCH GAGE
•
CROSS-SECTIONAL SHAPE: FLAT
•
DISK SIZE: 0.310 INCHES IN
TECHNICAL CHARACTERISTICS
DISK MATERIALSILVER
BURST PRESSURE3200.0 PRESSURE POUNDS PER SQUARE INCH GAGE
CROSS-SECTIONAL SHAPEFLAT
SPECIAL FEATURESTHICKNESS:0.005 IN.NOM IN
DISK SIZE0.310 INCHES IN
SUBSTITUTES & CROSS-REFERENCES 1
588-10-300001007Same 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 2166662?
2166662 is a DISK,RUPTURABLE.
What parts can replace 2166662?
There is 1 known substitute for 2166662: 588-10-300001007. Substitute compatibility should be verified for your specific system.
What is the NSN for 2166662?
2166662 is cataloged in the U.S. Government catalog under NSN 4820-00-931-2412. 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.