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PartsTable / COMPONENT / 19728N PIECE 17
19728N PIECE 17 ✓ 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 DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL, overall_length: 4.250 INCHES NOMINAL IN, outside_diameter: 4.375 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-036-1599, 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
19728N PIECE 17
NSN: 4820-00-036-1599
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL
overall_length4.250 INCHES NOMINAL IN
outside_diameter4.375 INCHES NOMINAL IN
NSN4820-00-036-1599
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 19728N PIECE 17 · 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: 4.375 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH4.250 INCHES NOMINAL IN
OUTSIDE DIAMETER4.375 INCHES NOMINAL IN
MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
1631082Interchangeable
interchangeable cross-reference
interchangeable
CS4720-0018Interchangeable
interchangeable cross-reference
interchangeable
16028Interchangeable
interchangeable cross-reference
interchangeable
22910011Interchangeable
interchangeable cross-reference
interchangeable
18235Interchangeable
interchangeable cross-reference
interchangeable
U51TB-V 1-1/2 INCHInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 19728N PIECE 17?
19728N PIECE 17 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace 19728N PIECE 17?
There are 11 known substitutes for 19728N PIECE 17: 1631082, CS4720-0018, 16028 and 8 more. Substitute compatibility should be verified for your specific system.
Is 19728N PIECE 17 still available?
19728N PIECE 17 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026