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Technical Data Sheet
PartsTable / COMPONENT / 12226-72
12226-72 ✓ 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: RUBBER, hole_diameter: 0.210 INCHES NOMINAL IN, outside_diameter: 3.156 INCHES NOMINAL IN, style_designator: FLAT, material_thickness: 0.075 INCHES NOMINAL IN, bolt_circle_diameter: 1.688 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 4820-01-038-5051, 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
12226-72
NSN: 4820-01-038-5051
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialRUBBER
hole_diameter0.210 INCHES NOMINAL IN
outside_diameter3.156 INCHES NOMINAL IN
style_designatorFLAT
bolt_hole_quantity8
material_thickness0.075 INCHES NOMINAL IN
bolt_circle_diameter1.688 INCHES NOMINAL IN
center_hole_diameter0.305 INCHES NOMINAL IN
NSN4820-01-038-5051
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 12226-72 · 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
•
HOLE DIAMETER: 0.210 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.075 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.305 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 8
•
OUTSIDE DIAMETER: 3.156 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT
•
BOLT CIRCLE DIAMETER: 1.688 INCHES NOMINAL IN
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.210 INCHES NOMINAL IN
MATERIAL THICKNESS0.075 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.305 INCHES NOMINAL IN
BOLT HOLE QUANTITY8
OUTSIDE DIAMETER3.156 INCHES NOMINAL IN
STYLE DESIGNATORFLAT
BOLT CIRCLE DIAMETER1.688 INCHES NOMINAL IN
MATERIALRUBBER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
MS15444-64Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-751 TYCInterchangeable
interchangeable cross-reference
interchangeable
13326Interchangeable
interchangeable cross-reference
interchangeable
12226Interchangeable
interchangeable cross-reference
interchangeable
21991Interchangeable
interchangeable cross-reference
interchangeable
125390Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12226-72?
12226-72 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace 12226-72?
There are 10 known substitutes for 12226-72: MS15444-64, GGG-D-751 TYC, 13326 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12226-72?
12226-72 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-038-5051. 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