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PartsTable / COMPONENT / 40524-8 PIECE 18
40524-8 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: STEEL CORROSION RESISTING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-222-0423, 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
40524-8 PIECE 18
NSN: 4820-01-222-0423
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
NSN4820-01-222-0423
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40524-8 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
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
5070-1Interchangeable
interchangeable cross-reference
interchangeable
MS35678-2Interchangeable
interchangeable cross-reference
interchangeable
909946-02Interchangeable
interchangeable cross-reference
interchangeable
17-02426-1Interchangeable
interchangeable cross-reference
interchangeable
5070Interchangeable
interchangeable cross-reference
interchangeable
557061Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40524-8 PIECE 18?
40524-8 PIECE 18 is a DISK,VALVE.
What parts can replace 40524-8 PIECE 18?
There are 13 known substitutes for 40524-8 PIECE 18: 5070-1, MS35678-2, 909946-02 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40524-8 PIECE 18?
40524-8 PIECE 18 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-222-0423. 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