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PartsTable / COMPONENT / H6181 PC 2
H6181 PC 2 ✓ 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: COPPER ALLOY, seat_angle: 45.0 DEGREES NOMINAL, thread_class: 2B, overall_height: 1.323 INCHES NOMINAL IN, shoulder_width: 0.310 INCHES NOMINAL IN, shoulder_height: 0.226 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-036-0427, 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
H6181 PC 2
NSN: 4820-00-036-0427
FSC: 4820
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialCOPPER ALLOY
seat_angle45.0 DEGREES NOMINAL
thread_class2B
overall_height1.323 INCHES NOMINAL IN
shoulder_width0.310 INCHES NOMINAL IN
shoulder_height0.226 INCHES NOMINAL IN
style_designatorPLUG
nominal_thread_size0.687 INCHES IN
thread_quantity_per_inch27
thread_series_designatorUNS
NSN4820-00-036-0427
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: H6181 PC 2 · 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
•
THREAD CLASS: 2B
•
THREAD QUANTITY PER INCH: 27
•
NOMINAL THREAD SIZE: 0.687 INCHES IN
•
SEAT ANGLE: 45.0 DEGREES NOMINAL
•
SHOULDER WIDTH: 0.310 INCHES NOMINAL IN
•
SHOULDER HEIGHT: 0.226 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLUG
•
THREAD SERIES DESIGNATOR: UNS
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2B
THREAD QUANTITY PER INCH27
NOMINAL THREAD SIZE0.687 INCHES IN
SEAT ANGLE45.0 DEGREES NOMINAL
SHOULDER WIDTH0.310 INCHES NOMINAL IN
SHOULDER HEIGHT0.226 INCHES NOMINAL IN
STYLE DESIGNATORPLUG
THREAD SERIES DESIGNATORUNS
OVERALL HEIGHT1.323 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
E345Interchangeable
interchangeable cross-reference
interchangeable
MILT13013Interchangeable
interchangeable cross-reference
interchangeable
8673Interchangeable
interchangeable cross-reference
interchangeable
357801-1Interchangeable
interchangeable cross-reference
interchangeable
D424-107Interchangeable
interchangeable cross-reference
interchangeable
44645Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H6181 PC 2?
H6181 PC 2 is a DISK,VALVE.
What parts can replace H6181 PC 2?
There are 11 known substitutes for H6181 PC 2: E345, MILT13013, 8673 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H6181 PC 2?
H6181 PC 2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-036-0427. 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