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Technical Data Sheet
PartsTable / COMPONENT / 2AX4-8F
2AX4-8F ✓ 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 AND COTTON, hole_diameter: 0.220 INCHES NOMINAL IN, outside_diameter: 3.195 INCHES NOMINAL IN, style_designator: FLAT, material_thickness: 0.045 INCHES NOMINAL IN, bolt_circle_diameter: 2.875 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-784-2655, 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
2AX4-8F
NSN: 4820-00-784-2655
FSC: 4820
CAGE: K4131 — NORGREN MARTONAIR LTD (GBR)
SPECIFICATIONS
materialRUBBER SYNTHETIC AND COTTON
hole_diameter0.220 INCHES NOMINAL IN
outside_diameter3.195 INCHES NOMINAL IN
style_designatorFLAT
bolt_hole_quantity6
material_thickness0.045 INCHES NOMINAL IN
bolt_circle_diameter2.875 INCHES NOMINAL IN
center_hole_diameter0.500 INCHES NOMINAL IN
NSN4820-00-784-2655
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2AX4-8F · 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
•
OUTSIDE DIAMETER: 3.195 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 2.875 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.220 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT
•
MATERIAL: RUBBER SYNTHETIC AND COTTON
•
CENTER HOLE DIAMETER: 0.500 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.045 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 6
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER3.195 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER2.875 INCHES NOMINAL IN
HOLE DIAMETER0.220 INCHES NOMINAL IN
STYLE DESIGNATORFLAT
MATERIALRUBBER SYNTHETIC AND COTTON
CENTER HOLE DIAMETER0.500 INCHES NOMINAL IN
MATERIAL THICKNESS0.045 INCHES NOMINAL IN
BOLT HOLE QUANTITY6
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
7T75SInterchangeable
interchangeable cross-reference
interchangeable
342C584H01Interchangeable
interchangeable cross-reference
interchangeable
45-02Interchangeable
interchangeable cross-reference
interchangeable
AN3144-4502Interchangeable
interchangeable cross-reference
interchangeable
618184Interchangeable
interchangeable cross-reference
interchangeable
LA-361-18Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2AX4-8F?
2AX4-8F is a DIAPHRAGM,VALVE,FLAT.
What parts can replace 2AX4-8F?
There are 22 known substitutes for 2AX4-8F: 7T75S, 342C584H01, 45-02 and 19 more. Substitute compatibility should be verified for your specific system.
Is 2AX4-8F still available?
2AX4-8F 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