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27185-42 ✓ 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 STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, overall_length: 13.000 INCHES NOMINAL IN, end_item_identification: 4820-01-139-1712, largest_outside_diameter: 0.375 INCHES NOMINAL IN, valve_size_for_which_designed: 3.000 INCHES IN, valve_type_for_which_designed: RELIEF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-227-1152, 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
27185-42
NSN: 4820-01-227-1152
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialNICKEL ALLOY
overall_length13.000 INCHES NOMINAL IN
end_item_identification4820-01-139-1712
largest_outside_diameter0.375 INCHES NOMINAL IN
valve_size_for_which_designed3.000 INCHES IN
valve_type_for_which_designedRELIEF
NSN4820-01-227-1152
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 27185-42 · 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
•
LARGEST OUTSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
VALVE SIZE FOR WHICH DESIGNED: 3.000 INCHES IN
•
VALVE TYPE FOR WHICH DESIGNED: RELIEF
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH13.000 INCHES NOMINAL IN
LARGEST OUTSIDE DIAMETER0.375 INCHES NOMINAL IN
VALVE SIZE FOR WHICH DESIGNED3.000 INCHES IN
END ITEM IDENTIFICATION4820-01-139-1712
VALVE TYPE FOR WHICH DESIGNEDRELIEF
MATERIALNICKEL ALLOY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
7S9826Interchangeable
interchangeable cross-reference
interchangeable
9417501Interchangeable
interchangeable cross-reference
interchangeable
72136Interchangeable
interchangeable cross-reference
interchangeable
4157Interchangeable
interchangeable cross-reference
interchangeable
C4157Interchangeable
interchangeable cross-reference
interchangeable
4145Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 27185-42?
27185-42 is a STEM,FLUID VALVE.
What parts can replace 27185-42?
There are 16 known substitutes for 27185-42: 7S9826, 9417501, 72136 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 27185-42?
27185-42 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-227-1152. 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