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PartsTable / COMPONENT / 425-00181 PIECE 4
425-00181 PIECE 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 PARTS KIT,SHUTTLE VALVE is a the manufacturer industrial component. Key specifications include color: BLUE, material: PLASTIC, nut_style: HEXAGON, nut_height: 0.4305 INCHES MINIMUM AND 0.4445 INCHES MAXIMUM IN, display_type: FULL, thread_class: 2B. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-194-0327, 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
425-00181 PIECE 4
NSN: 4820-01-194-0327
FSC: 4820
CAGE: 79470 — DANA CORP WEATHERHEAD DIV (USA)
SPECIFICATIONS
colorBLUE
materialPLASTIC
nut_styleHEXAGON
nut_height0.4305 INCHES MINIMUM AND 0.4445 INCHES MAXIMUM IN
display_typeFULL
thread_class2B
thread_seriesUNF
overall_height0.155 INCHES NOMINAL IN
locking_featurePREVAILING TORQUE ALL METAL DESIGN OR PREVAILING TORQUE WITH NONMETALLIC INSERT
overall_diameter0.200 INCHES NOMINAL IN
special_featuresPRESS TO FIT MTD
thread_directionRIGHT-HAND
NSN4820-01-194-0327
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 425-00181 PIECE 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
8333424Interchangeable
interchangeable cross-reference
interchangeable
230934Interchangeable
interchangeable cross-reference
interchangeable
70897Interchangeable
interchangeable cross-reference
interchangeable
70192Interchangeable
interchangeable cross-reference
interchangeable
532611-1Interchangeable
interchangeable cross-reference
interchangeable
A7089-7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 425-00181 PIECE 4?
425-00181 PIECE 4 is a PARTS KIT,SHUTTLE VALVE.
What parts can replace 425-00181 PIECE 4?
There are 16 known substitutes for 425-00181 PIECE 4: 8333424, 230934, 70897 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 425-00181 PIECE 4?
425-00181 PIECE 4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-194-0327. 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