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509-4325672 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

509-4325672: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, seat_angle: 45.0 DEGREES NOMINAL, thread_class: 2B, overall_height: 5.750 INCHES NOMINAL IN, overall_length: 14.000 INCHES NOMINAL IN, pressure_rating: 100.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-132-8955, 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
509-4325672
NSN: 4820-01-132-8955
NIINs: 011328955, 011581885, 011603636
FSC: 4820 — Valves, Nonpowered
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY
seat_angle45.0 DEGREES NOMINAL
thread_class2B
overall_height5.750 INCHES NOMINAL IN
overall_length14.000 INCHES NOMINAL IN
pressure_rating100.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
outside_diameter6.437 INCHES NOMINAL IN
style_designatorPLUG
nominal_thread_size2.500 INCHES IN
largest_outside_diameter1.406 INCHES NOMINAL IN
media_for_which_designedWATER, FRESH
thread_quantity_per_inch12
NSN4820-01-132-8955
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 509-4325672 · 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
•
PRESSURE RATING: 100.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
OUTSIDE DIAMETER: 6.438 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLUG
•
SEAT ANGLE: 45.0 DEGREES NOMINAL
•
NOMINAL THREAD SIZE: 2.500 INCHES IN
•
MEDIA FOR WHICH DESIGNED: WATER, FRESH
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT5.750 INCHES NOMINAL IN
PRESSURE RATING100.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
OUTSIDE DIAMETER6.438 INCHES NOMINAL IN
STYLE DESIGNATORPLUG
SEAT ANGLE45.0 DEGREES NOMINAL
NOMINAL THREAD SIZE2.500 INCHES IN
MEDIA FOR WHICH DESIGNEDWATER, FRESH
THREAD CLASS2B
THREAD QUANTITY PER INCH12
MATERIALNICKEL ALLOY
SUBSTITUTES & CROSS-REFERENCES 2
2350-823Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
2350-823 PC 6Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 509-4325672?
509-4325672 is a DISK,VALVE.
What parts can replace 509-4325672?
There are 2 known substitutes for 509-4325672: 2350-823, 2350-823 PC 6. Substitute compatibility should be verified for your specific system.
What is the NSN for 509-4325672?
509-4325672 is cataloged in the U.S. Government catalog under NSN 4820-01-132-8955. 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.