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NB31227872 ✓ 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 BUTADIENE-ACRYLONITRILE CLASS NBR, overall_height: 0.188 INCHES NOMINAL IN, inside_diameter: 0.438 INCHES NOMINAL IN, outside_diameter: 1.000 INCHES NOMINAL IN, style_designator: PLAIN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-463-2541, 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
NB31227872
NSN: 4820-00-463-2541
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
overall_height0.188 INCHES NOMINAL IN
inside_diameter0.438 INCHES NOMINAL IN
outside_diameter1.000 INCHES NOMINAL IN
style_designatorPLAIN
NSN4820-00-463-2541
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NB31227872 · 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
•
INSIDE DIAMETER: 0.438 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT0.188 INCHES NOMINAL IN
INSIDE DIAMETER0.438 INCHES NOMINAL IN
OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
1227872Interchangeable
interchangeable cross-reference
interchangeable
N-524-4Interchangeable
interchangeable cross-reference
interchangeable
N-524Interchangeable
interchangeable cross-reference
interchangeable
312278-72Interchangeable
interchangeable cross-reference
interchangeable
B312278-72Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NB31227872?
NB31227872 is a DISK,VALVE.
What parts can replace NB31227872?
There are 5 known substitutes for NB31227872: 1227872, N-524-4, N-524 and 2 more. Substitute compatibility should be verified for your specific system.
Is NB31227872 still available?
NB31227872 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