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PartsTable / COMPONENT / 18-3-14
18-3-14 ✓ Verified by PartsTable
Clementoni · 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

Holes for connectors, buttons and camera. Easy to apply. 100% transparant sheet.

With cleaning cloth. . Key specifications include diameter: 0.335 INCHES MAXIMUM IN, material: STEEL OVERALL, body_style: STRAIGHT SHAPE, INTERNAL COUPLING W/STRAIN RELIEF, case_style: SQUARE, head_style: FLAT COUNTERSUNK, point_type: SPLIT.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-036-1763, 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
18-3-14
NSN: 4820-00-036-1763
FSC: 4820
CAGE: 75954 — KUNKLE INDUSTRIES INC LONERGAN VALVE DIV (USA)
SPECIFICATIONS
diameter0.335 INCHES MAXIMUM IN
materialSTEEL OVERALL
body_styleSTRAIGHT SHAPE, INTERNAL COUPLING W/STRAIN RELIEF
case_styleSQUARE
head_styleFLAT COUNTERSUNK
point_typeSPLIT
seal_width0.438 INCHES NOMINAL IN
seat_angle90.0 DEGREES NOMINAL
shell_typeSOLID
body_length1.875 INCHES NOMINAL IN
point_angle135.0 DEGREES NOMINAL
flute_length2.188 INCHES NOMINAL IN
NSN4820-00-036-1763
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 18-3-14 · Clementoni ⚠ 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
•
THREAD SERIES DESIGNATOR: UNF
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
MATERIAL: NICKEL ALLOY
•
SHOULDER WIDTH: 0.165 INCHES NOMINAL IN
•
SHOULDER HEIGHT: 0.565 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLUG
•
SEAT ANGLE: 90.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD SIZE0.500 INCHES IN
MATERIALNICKEL ALLOY
SHOULDER WIDTH0.165 INCHES NOMINAL IN
OVERALL HEIGHT1.534 INCHES NOMINAL IN
SHOULDER HEIGHT0.565 INCHES NOMINAL IN
STYLE DESIGNATORPLUG
SEAT ANGLE90.0 DEGREES NOMINAL
OUTSIDE DIAMETER1.125 INCHES NOMINAL IN
THREAD CLASS2B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
S637471Interchangeable
interchangeable cross-reference
interchangeable
140316Interchangeable
interchangeable cross-reference
interchangeable
DS2709Interchangeable
interchangeable cross-reference
interchangeable
A-A-2578Interchangeable
interchangeable cross-reference
interchangeable
RR-P-586Interchangeable
interchangeable cross-reference
interchangeable
RR-P-586 SZ5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18-3-14?
18-3-14 is a CONNECTOR,PLUG,ELECTRICAL manufactured by Clementoni.
What parts can replace 18-3-14?
There are 22 known substitutes for 18-3-14: S637471, 140316, DS2709 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18-3-14?
18-3-14 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-036-1763. 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