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Technical Data Sheet
PartsTable / COMPONENT / 20291
20291 ✓ Verified by PartsTable
Exost · 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

- Touchpad with mouse buttons for easy mouse control<br>- Quick and comfortable typing<br>- Browse the web, post social updates and send mail with your TV.<br>- Control TV volume & channel, open Samsung Smart Hub and much more.<br>- Micro USB receiver with a wireless range up to 10 meters<br>- Compact & lightweight<br>- Works with all Samsung Smart TVs This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-308-9851, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
20291
NSN: 4820-00-308-9851
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 304 FLOW CONTROL DEVICE
body_width0.280 INCHES MAXIMUM IN
head_styleFLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER)
meter_typeFLOAT
valve_size0.500 INCHES IN
body_height0.180 INCHES NOMINAL IN
body_length0.785 INCHES MAXIMUM IN
design_typeCASE
grip_length0.126 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
shank_styleSELF-PLUGGING
temp_rating150.0 FAHRENHEIT NOMINAL DEGF
constructionINCLOSED W/SIGHT WINDOW
NSN4820-00-308-9851
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20291 · Exost ⚠ 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
69544Interchangeable
interchangeable cross-reference
interchangeable
5330PL1448610Interchangeable
interchangeable cross-reference
interchangeable
23318Interchangeable
interchangeable cross-reference
interchangeable
00372-0446Interchangeable
interchangeable cross-reference
interchangeable
52-512Interchangeable
interchangeable cross-reference
interchangeable
20291Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20291?
20291 is a MICROCIRCUIT,DIGITAL manufactured by Exost.
What parts can replace 20291?
There are 16 known substitutes for 20291: 69544, 5330PL1448610, 23318 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20291?
20291 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-308-9851. 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