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C2542S PIECE 18 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

C2542S PIECE 18: 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: 1.665 INCHES NOMINAL IN, outside_diameter: 2.500 INCHES NOMINAL IN, style_designator: PLUG. This part is cataloged in the U.S.

Government catalog 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 — Valves, Nonpowered
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
•
OUTSIDE DIAMETER: 2.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLUG
•
SEAT ANGLE: 45.0 DEGREES NOMINAL
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
MEDIA FOR WHICH DESIGNED: WATER, SALT
•
THREAD CLASS: 2B
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.665 INCHES NOMINAL IN
OUTSIDE DIAMETER2.500 INCHES NOMINAL IN
STYLE DESIGNATORPLUG
SEAT ANGLE45.0 DEGREES NOMINAL
NOMINAL THREAD SIZE0.500 INCHES IN
MEDIA FOR WHICH DESIGNEDWATER, SALT
THREAD CLASS2B
MATERIALNICKEL ALLOY
THREAD SERIES DESIGNATORUNF
SUBSTITUTES & CROSS-REFERENCES 5
005-500-0007Reference document
Same NSN cross-reference
Reference document — Secondary reference
NMP106PC18MSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
18-5-5Reference document
Same NSN cross-reference
Reference document — Secondary reference
C2542S PC 18M 1-1/4INReference document
Same NSN cross-reference
Reference document — Secondary reference
C2542SReference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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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 5 known substitutes for C2542S PIECE 18: 005-500-0007, NMP106PC18M, 18-5-5 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C2542S PIECE 18?
C2542S PIECE 18 is cataloged in the U.S. Government catalog under NSN 4820-00-036-1740. 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.