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Technical Data Sheet
PartsTable / COMPONENT / 312230-79
312230-79 ✓ 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 SYNTHETIC, hole_diameter: 0.344 INCHES NOMINAL IN, outside_diameter: 6.000 INCHES NOMINAL IN, style_designator: FLAT, material_thickness: 0.125 INCHES NOMINAL IN, bolt_circle_diameter: 5.375 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 4820-01-122-3513, 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
312230-79
NSN: 4820-01-122-3513
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
hole_diameter0.344 INCHES NOMINAL IN
outside_diameter6.000 INCHES NOMINAL IN
style_designatorFLAT
bolt_hole_quantity8
material_thickness0.125 INCHES NOMINAL IN
bolt_circle_diameter5.375 INCHES NOMINAL IN
center_hole_diameter0.438 INCHES NOMINAL IN
NSN4820-01-122-3513
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 312230-79 · 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
•
MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 6.000 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.438 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.344 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT
•
BOLT CIRCLE DIAMETER: 5.375 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 8
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.125 INCHES NOMINAL IN
OUTSIDE DIAMETER6.000 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.438 INCHES NOMINAL IN
HOLE DIAMETER0.344 INCHES NOMINAL IN
STYLE DESIGNATORFLAT
BOLT CIRCLE DIAMETER5.375 INCHES NOMINAL IN
BOLT HOLE QUANTITY8
MATERIALRUBBER SYNTHETIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
AGM951924Interchangeable
interchangeable cross-reference
interchangeable
26453HXInterchangeable
interchangeable cross-reference
interchangeable
350343S16Interchangeable
interchangeable cross-reference
interchangeable
12230Interchangeable
interchangeable cross-reference
interchangeable
2012-T 30Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-751 TYCInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 312230-79?
312230-79 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace 312230-79?
There are 16 known substitutes for 312230-79: AGM951924, 26453HX, 350343S16 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 312230-79?
312230-79 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-122-3513. 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