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18-5-1-149PC18 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

18-5-1-149PC18: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, overall_height: 1.687 INCHES NOMINAL IN, outside_diameter: 1.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-146-0493, 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
18-5-1-149PC18
NSN: 4820-00-146-0493
FSC: 4820 — Valves, Nonpowered
CAGE: 75954 — KUNKLE INDUSTRIES INC LONERGAN VALVE DIV (USA)
SPECIFICATIONS
materialNICKEL ALLOY
overall_height1.687 INCHES NOMINAL IN
outside_diameter1.125 INCHES NOMINAL IN
NSN4820-00-146-0493
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 18-5-1-149PC18 · 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: 1.125 INCHES NOMINAL IN
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.687 INCHES NOMINAL IN
OUTSIDE DIAMETER1.125 INCHES NOMINAL IN
MATERIALNICKEL ALLOY
SUBSTITUTES & CROSS-REFERENCES 4
B2630Reference document
Same NSN cross-reference
Reference document — Secondary reference
041-102-0037Reference document
Same NSN cross-reference
Reference document — Secondary reference
18-5-149Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
041-500-0013Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 18-5-1-149PC18?
18-5-1-149PC18 is a DISK,VALVE.
What parts can replace 18-5-1-149PC18?
There are 4 known substitutes for 18-5-1-149PC18: B2630, 041-102-0037, 18-5-149 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18-5-1-149PC18?
18-5-1-149PC18 is cataloged in the U.S. Government catalog under NSN 4820-00-146-0493. 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.