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Technical Data Sheet
PartsTable / COMPONENT / 056624 ITEM 20
056624 ITEM 20 ✓ 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 CORROSION RESISTING, seat_angle: 15.0 DEGREES NOMINAL, overall_height: 3.250 INCHES NOMINAL IN, outside_diameter: 4.115 INCHES MINIMUM AND 4.117 INCHES MAXIMUM IN, style_designator: PLUG, nominal_thread_size: 1.687 INCHES 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 4820-01-216-2518, 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
056624 ITEM 20
NSN: 4820-01-216-2518
FSC: 4820
CAGE: 48422 — WILLIAM POWELL COMPANY, THE DBA POWELL VALVE DIV THE STARFLO CORPORATION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
seat_angle15.0 DEGREES NOMINAL
overall_height3.250 INCHES NOMINAL IN
outside_diameter4.115 INCHES MINIMUM AND 4.117 INCHES MAXIMUM IN
style_designatorPLUG
nominal_thread_size1.687 INCHES IN
thread_series_designatorUNS
NSN4820-01-216-2518
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 056624 ITEM 20 · 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 SERIES DESIGNATOR: UNS
•
OUTSIDE DIAMETER: 4.115 INCHES MINIMUM AND 4.117 INCHES MAXIMUM IN
•
NOMINAL THREAD SIZE: 1.687 INCHES IN
•
STYLE DESIGNATOR: PLUG
•
MATERIAL: STEEL CORROSION RESISTING
•
SEAT ANGLE: 15.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNS
OUTSIDE DIAMETER4.115 INCHES MINIMUM AND 4.117 INCHES MAXIMUM IN
OVERALL HEIGHT3.250 INCHES NOMINAL IN
NOMINAL THREAD SIZE1.687 INCHES IN
STYLE DESIGNATORPLUG
MATERIALSTEEL CORROSION RESISTING
SEAT ANGLE15.0 DEGREES NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
136018Interchangeable
interchangeable cross-reference
interchangeable
130647Interchangeable
interchangeable cross-reference
interchangeable
056624Interchangeable
interchangeable cross-reference
interchangeable
1531WE 4IN AND 056624Interchangeable
interchangeable cross-reference
interchangeable
056624 ITEM 7Interchangeable
interchangeable cross-reference
interchangeable
077254Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 056624 ITEM 20?
056624 ITEM 20 is a DISK,VALVE.
What parts can replace 056624 ITEM 20?
There are 10 known substitutes for 056624 ITEM 20: 136018, 130647, 056624 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 056624 ITEM 20?
056624 ITEM 20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-216-2518. 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