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PartsTable / COMPONENT / 30142 ITEM 4
30142 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 material: STEEL CORROSION RESISTING, pressure_rating: 181.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS, end_item_identification: MATCALS; W/S RADAR AND IFF SYSTEMS., media_for_which_designed: GAS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-507-0795, 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
30142 ITEM 4
NSN: 4820-01-507-0795
FSC: 4820
CAGE: 95169 — CURTISS-WRIGHT FLOW CONTROL CORPORATION DBA CURTISS-WRIGHT FLOW CONTROL CO DIV TARGET ROCK DIVISION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
pressure_rating181.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
end_item_identificationMATCALS; W/S RADAR AND IFF SYSTEMS.
media_for_which_designedGAS
NSN4820-01-507-0795
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 30142 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
KEY FEATURES
•
PRESSURE RATING: 181.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
•
MEDIA FOR WHICH DESIGNED: GAS
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONMATCALS; W/S RADAR AND IFF SYSTEMS.
PRESSURE RATING181.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
MEDIA FOR WHICH DESIGNEDGAS
SPECIAL FEATURESMATERIAL SPEC. IS ASTM A479 316 SS. PRESSURE RANGE 167-189 PSI, SET PRESSURE 181 PSI. THIS ITEM IS CALLED A "DISC" BY THE MANUFACTURER. IT'S PART OF THE 2700 KN SERIES RELIEF VALVE-MODEL 27DC13M-U20/S4. THE RELIEF VALVE NSN IS 4820-01-507-0624.
MATERIALSTEEL CORROSION RESISTING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
H60MLQ30142Interchangeable
interchangeable cross-reference
interchangeable
CV9S4302-53PC22Interchangeable
interchangeable cross-reference
interchangeable
30142Interchangeable
interchangeable cross-reference
interchangeable
10350Interchangeable
interchangeable cross-reference
interchangeable
GGG-C-755Interchangeable
interchangeable cross-reference
interchangeable
717-016810Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 30142 ITEM 4?
30142 ITEM 4 is a DISK,VALVE.
What parts can replace 30142 ITEM 4?
There are 13 known substitutes for 30142 ITEM 4: H60MLQ30142, CV9S4302-53PC22, 30142 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 30142 ITEM 4?
30142 ITEM 4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-507-0795. 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