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PartsTable / COMPONENT / F-31626
F-31626 ✓ 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, seat_angle: 70.0 DEGREES NOMINAL, thread_class: 2B, overall_height: 1.255 INCHES NOMINAL IN, outside_diameter: 2.153 INCHES NOMINAL IN, style_designator: PLUG. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-084-1803, 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
F-31626
NSN: 4820-01-084-1803
FSC: 4820
CAGE: 63220 — FLOWSERVE INC (USA)
SPECIFICATIONS
materialSTEEL
seat_angle70.0 DEGREES NOMINAL
thread_class2B
overall_height1.255 INCHES NOMINAL IN
outside_diameter2.153 INCHES NOMINAL IN
style_designatorPLUG
nominal_thread_size1.438 INCHES IN
thread_quantity_per_inch16
thread_series_designatorUN
NSN4820-01-084-1803
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: F-31626 · 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
•
OUTSIDE DIAMETER: 2.153 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UN
•
NOMINAL THREAD SIZE: 1.438 INCHES IN
•
STYLE DESIGNATOR: PLUG
•
SEAT ANGLE: 70.0 DEGREES NOMINAL
•
MATERIAL: STEEL
•
THREAD QUANTITY PER INCH: 16
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER2.153 INCHES NOMINAL IN
OVERALL HEIGHT1.255 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUN
NOMINAL THREAD SIZE1.438 INCHES IN
STYLE DESIGNATORPLUG
SEAT ANGLE70.0 DEGREES NOMINAL
MATERIALSTEEL
THREAD QUANTITY PER INCH16
THREAD CLASS2B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
19241Interchangeable
interchangeable cross-reference
interchangeable
B-32978Interchangeable
interchangeable cross-reference
interchangeable
E-31667Interchangeable
interchangeable cross-reference
interchangeable
16738Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F-31626?
F-31626 is a DISK,VALVE.
What parts can replace F-31626?
There are 4 known substitutes for F-31626: 19241, B-32978, E-31667 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for F-31626?
F-31626 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-084-1803. 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