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PartsTable / COMPONENT / 30159 ITEM 4
30159 ITEM 4 ✓ 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 end_item_identification: 1.0 X 1.5 RELIEF VALVE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-506-4528, 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
30159 ITEM 4
NSN: 4820-01-506-4528
FSC: 4820
CAGE: 95169 — CURTISS-WRIGHT FLOW CONTROL CORPORATION DBA CURTISS-WRIGHT FLOW CONTROL CO DIV TARGET ROCK DIVISION (USA)
SPECIFICATIONS
end_item_identification1.0 X 1.5 RELIEF VALVE
NSN4820-01-506-4528
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 30159 ITEM 4 · 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
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION1.0 X 1.5 RELIEF VALVE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
K566Interchangeable
interchangeable cross-reference
interchangeable
MA1610Interchangeable
interchangeable cross-reference
interchangeable
425074Interchangeable
interchangeable cross-reference
interchangeable
10A7571Interchangeable
interchangeable cross-reference
interchangeable
35356906Interchangeable
interchangeable cross-reference
interchangeable
K14276Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 30159 ITEM 4?
30159 ITEM 4 is a DISK,VALVE.
What parts can replace 30159 ITEM 4?
There are 16 known substitutes for 30159 ITEM 4: K566, MA1610, 425074 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 30159 ITEM 4?
30159 ITEM 4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-506-4528. 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