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Technical Data Sheet
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21647 ✓ Verified by PartsTable
EIZO · 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

<b>The monitor for the aspiring creative.</b><br><br>The CS270 features a wide color gamut and brightness uniformity in a spacious 27-inch screen for photo enthusiasts and designers. It comes with EIZO's ColorNavigator 6 calibration software that is compatible with Mac, Windows, and Linux systems and offers support for a wide range of calibration devices. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-142-2953, 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
21647
NSN: 4820-00-142-2953
FSC: 4820
CAGE: 01170 — BELLOFRAM CORPORATION (USA)
SPECIFICATIONS
materialPLASTIC POLYESTER AND GLASS FIBER BOARD
eye_styleREGULAR ROUND EYE
sterilitySTERILE
body_styleBARRIER TYPE
point_styleREVERSE CUTTING EDGE
temp_rating150.0 FAHRENHEIT NOMINAL DEGF
overall_height0.219 INCHES NOMINAL IN
inside_diameter0.250 INCHES NOMINAL IN
pressure_rating150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
size_designator7
terminal_designVERTICAL FEEDTHRU
outside_diameter0.391 INCHES NOMINAL IN
NSN4820-00-142-2953
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21647 · EIZO ⚠ 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
•
PRESSURE RATING: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
TEMP RATING: 150.0 FAHRENHEIT NOMINAL DEGF
•
INSIDE DIAMETER: 0.250 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.391 INCHES NOMINAL IN
•
MEDIA FOR WHICH DESIGNED: WATER, COLD
•
MATERIAL: RUBBER
•
STYLE DESIGNATOR: PLAIN
TECHNICAL CHARACTERISTICS (FLIS)
PRESSURE RATING150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
TEMP RATING150.0 FAHRENHEIT NOMINAL DEGF
INSIDE DIAMETER0.250 INCHES NOMINAL IN
OUTSIDE DIAMETER0.391 INCHES NOMINAL IN
MEDIA FOR WHICH DESIGNEDWATER, COLD
OVERALL HEIGHT0.219 INCHES NOMINAL IN
MATERIALRUBBER
STYLE DESIGNATORPLAIN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
3256Interchangeable
interchangeable cross-reference
interchangeable
2256/3Interchangeable
interchangeable cross-reference
interchangeable
22171Interchangeable
interchangeable cross-reference
interchangeable
21647Interchangeable
interchangeable cross-reference
interchangeable
216407Interchangeable
interchangeable cross-reference
interchangeable
D2164-7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21647?
21647 is a CYLINDER BOTTOM,VALVE manufactured by EIZO.
What parts can replace 21647?
There are 13 known substitutes for 21647: 3256, 2256/3, 22171 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21647?
21647 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-142-2953. 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