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Technical Data Sheet
PartsTable / COMPONENT / DSC3B-2
DSC3B-2 ✓ 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: RUBBER, temp_rating: 150.0 FAHRENHEIT NOMINAL DEGF, overall_height: 0.219 INCHES NOMINAL IN, inside_diameter: 0.250 INCHES NOMINAL IN, pressure_rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, outside_diameter: 0.391 INCHES NOMINAL 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 4820-00-142-2953, 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
DSC3B-2
NSN: 4820-00-142-2953
FSC: 4820
CAGE: 92578 — JOHNSON CONTROLS INC CONTROL PRODUCTS DIV (USA)
SPECIFICATIONS
materialRUBBER
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
outside_diameter0.391 INCHES NOMINAL IN
style_designatorPLAIN
media_for_which_designedWATER, COLD
NSN4820-00-142-2953
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: DSC3B-2 · 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
•
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 DSC3B-2?
DSC3B-2 is a DISK,VALVE.
What parts can replace DSC3B-2?
There are 13 known substitutes for DSC3B-2: 3256, 2256/3, 22171 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DSC3B-2?
DSC3B-2 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