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N18329 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_height: 4.437 INCHES NOMINAL IN, style_designator: PLAIN, seat_angle_in_deg: 0.750 NOMINAL, body_inside_diameter: 5.984 INCHES NOMINAL IN, body_outside_diameter: 6.875 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-060-7053, 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
N18329
NSN: 4820-00-060-7053
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_height4.437 INCHES NOMINAL IN
style_designatorPLAIN
seat_angle_in_deg0.750 NOMINAL
body_inside_diameter5.984 INCHES NOMINAL IN
body_outside_diameter6.875 INCHES NOMINAL IN
seating_surface_shapeANGULAR
NSN4820-00-060-7053
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N18329 · 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
•
SEATING SURFACE SHAPE: ANGULAR
•
BODY INSIDE DIAMETER: 5.984 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL: STEEL OVERALL
•
BODY OUTSIDE DIAMETER: 6.875 INCHES NOMINAL IN
•
SEAT ANGLE IN DEG: 0.750 NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
SEATING SURFACE SHAPEANGULAR
BODY INSIDE DIAMETER5.984 INCHES NOMINAL IN
OVERALL HEIGHT4.437 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
MATERIALSTEEL OVERALL
BODY OUTSIDE DIAMETER6.875 INCHES NOMINAL IN
SEAT ANGLE IN DEG0.750 NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
18329Interchangeable
interchangeable cross-reference
interchangeable
C18329Interchangeable
interchangeable cross-reference
interchangeable
46699Interchangeable
interchangeable cross-reference
interchangeable
550 29Interchangeable
interchangeable cross-reference
interchangeable
33935Interchangeable
interchangeable cross-reference
interchangeable
M1110Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N18329?
N18329 is a SEAT,VALVE.
What parts can replace N18329?
There are 9 known substitutes for N18329: 18329, C18329, 46699 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N18329?
N18329 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-060-7053. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026