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PartsTable / COMPONENT / 20017 PIECE 8
20017 PIECE 8 ✓ 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: 7.000 INCHES NOMINAL IN, stem_actuating_end_type: ROUNDED, largest_outside_diameter: 0.750 INCHES NOMINAL IN, valve_size_for_which_designed: 2.000 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 4820-01-129-5650, 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
20017 PIECE 8
NSN: 4820-01-129-5650
FSC: 4820
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialNICKEL ALLOY
overall_length7.000 INCHES NOMINAL IN
stem_actuating_end_typeROUNDED
largest_outside_diameter0.750 INCHES NOMINAL IN
valve_size_for_which_designed2.000 INCHES IN
valve_type_for_which_designedRELIEF
NSN4820-01-129-5650
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20017 PIECE 8 · 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: 0.750 INCHES NOMINAL IN
•
STEM ACTUATING END TYPE: ROUNDED
•
VALVE SIZE FOR WHICH DESIGNED: 2.000 INCHES IN
•
VALVE TYPE FOR WHICH DESIGNED: RELIEF
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
LARGEST OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
STEM ACTUATING END TYPEROUNDED
VALVE SIZE FOR WHICH DESIGNED2.000 INCHES IN
VALVE TYPE FOR WHICH DESIGNEDRELIEF
MATERIALNICKEL ALLOY
OVERALL LENGTH7.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
20017Interchangeable
interchangeable cross-reference
interchangeable
30A110Interchangeable
interchangeable cross-reference
interchangeable
50BC19Interchangeable
interchangeable cross-reference
interchangeable
1340Interchangeable
interchangeable cross-reference
interchangeable
MS15444-86Interchangeable
interchangeable cross-reference
interchangeable
407Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20017 PIECE 8?
20017 PIECE 8 is a STEM,FLUID VALVE.
What parts can replace 20017 PIECE 8?
There are 25 known substitutes for 20017 PIECE 8: 20017, 30A110, 50BC19 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20017 PIECE 8?
20017 PIECE 8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-129-5650. 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