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PartsTable / COMPONENT / C2542S PIECE 18
C2542S PIECE 18 ✓ 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 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: 1.665 INCHES NOMINAL IN, outside_diameter: 2.500 INCHES NOMINAL IN, style_designator: PLUG. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-036-1740, 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
C2542S PIECE 18
NSN: 4820-00-036-1740
FSC: 4820
CAGE: 75954 — KUNKLE INDUSTRIES INC LONERGAN VALVE DIV (USA)
SPECIFICATIONS
materialNICKEL ALLOY
seat_angle45.0 DEGREES NOMINAL
thread_class2B
overall_height1.665 INCHES NOMINAL IN
outside_diameter2.500 INCHES NOMINAL IN
style_designatorPLUG
nominal_thread_size0.500 INCHES IN
media_for_which_designedWATER, SALT
thread_series_designatorUNF
NSN4820-00-036-1740
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: C2542S PIECE 18 · 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
•
THREAD CLASS: 2B
•
MEDIA FOR WHICH DESIGNED: WATER, SALT
•
MATERIAL: NICKEL ALLOY
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
STYLE DESIGNATOR: PLUG
•
SEAT ANGLE: 45.0 DEGREES NOMINAL
•
THREAD SERIES DESIGNATOR: UNF
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2B
OVERALL HEIGHT1.665 INCHES NOMINAL IN
MEDIA FOR WHICH DESIGNEDWATER, SALT
MATERIALNICKEL ALLOY
NOMINAL THREAD SIZE0.500 INCHES IN
STYLE DESIGNATORPLUG
SEAT ANGLE45.0 DEGREES NOMINAL
THREAD SERIES DESIGNATORUNF
OUTSIDE DIAMETER2.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
C2542SInterchangeable
interchangeable cross-reference
interchangeable
012.500.0005Interchangeable
interchangeable cross-reference
interchangeable
012-500-0005Interchangeable
interchangeable cross-reference
interchangeable
004-500-0049Interchangeable
interchangeable cross-reference
interchangeable
C2542SPC51MInterchangeable
interchangeable cross-reference
interchangeable
005-500-0007Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C2542S PIECE 18?
C2542S PIECE 18 is a DISK,VALVE.
What parts can replace C2542S PIECE 18?
There are 9 known substitutes for C2542S PIECE 18: C2542S, 012.500.0005, 012-500-0005 and 6 more. Substitute compatibility should be verified for your specific system.
Is C2542S PIECE 18 still available?
C2542S PIECE 18 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026