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19324NPC18 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

19324NPC18: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OR ALUMINUM ALLOY OVERALL, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.500 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 1.868 INCHES NOMINAL IN, special_features: TWO LUGS ON TOP,180 DEG APART,0.312 IN.W X 0.188 IN.THK X 0.188 IN.HGT IN, style_designator: THREADED FLANGED. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-987-8214, 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
19324NPC18
NSN: 4820-00-987-8214
FSC: 4820 — Valves, Nonpowered
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialNICKEL ALLOY OR ALUMINUM ALLOY OVERALL
thread_class2A SINGLE THREADED PORTION A
thread_length0.500 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter1.868 INCHES NOMINAL IN
special_featuresTWO LUGS ON TOP,180 DEG APART,0.312 IN.W X 0.188 IN.THK X 0.188 IN.HGT IN
style_designatorTHREADED FLANGED
nominal_thread_size1.688 INCHES SINGLE THREADED PORTION IN
under_flange_height0.500 INCHES NOMINAL IN
body_inside_diameter1.122 INCHES NOMINAL IN
seating_surface_shapeFLAT
thread_quantity_per_inch16 SINGLE THREADED PORTION
thread_series_designatorUN SINGLE THREADED PORTION
NSN4820-00-987-8214
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 19324NPC18 · 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
•
FLANGE SEAT TO DISK END HEIGHT: 0.205 INCHES NOMINAL IN
•
FLANGE DIAMETER: 1.868 INCHES NOMINAL IN
•
THREAD LENGTH: 0.500 INCHES NOMINAL SINGLE THREADED PORTION IN
•
STYLE DESIGNATOR: THREADED FLANGED
•
BODY INSIDE DIAMETER: 1.122 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 1.688 INCHES SINGLE THREADED PORTION IN
•
UNDER FLANGE HEIGHT: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.205 INCHES NOMINAL IN
FLANGE DIAMETER1.868 INCHES NOMINAL IN
THREAD LENGTH0.500 INCHES NOMINAL SINGLE THREADED PORTION IN
STYLE DESIGNATORTHREADED FLANGED
BODY INSIDE DIAMETER1.122 INCHES NOMINAL IN
NOMINAL THREAD SIZE1.688 INCHES SINGLE THREADED PORTION IN
SPECIAL FEATURESTWO LUGS ON TOP,180 DEG APART,0.312 IN.W X 0.188 IN.THK X 0.188 IN.HGT IN
UNDER FLANGE HEIGHT0.500 INCHES NOMINAL IN
THREAD CLASS2A SINGLE THREADED PORTION A
THREAD QUANTITY PER INCH16 SINGLE THREADED PORTION
SUBSTITUTES & CROSS-REFERENCES 1
53617Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 19324NPC18?
19324NPC18 is a SEAT,VALVE.
What parts can replace 19324NPC18?
There is 1 known substitute for 19324NPC18: 53617. Substitute compatibility should be verified for your specific system.
What is the NSN for 19324NPC18?
19324NPC18 is cataloged in the U.S. Government catalog under NSN 4820-00-987-8214. 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.