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PartsTable / COMPONENT / 83309-31 ITEM 6A
83309-31 ITEM 6A ✓ 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: STEEL CORROSION RESISTING, seat_angle: 45.0 DEGREES NOMINAL, overall_height: 13.750 INCHES NOMINAL IN, pressure_rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, style_designator: SOLID WEDGE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-289-1733, 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
83309-31 ITEM 6A
NSN: 4820-01-289-1733
FSC: 4820
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
seat_angle45.0 DEGREES NOMINAL
overall_height13.750 INCHES NOMINAL IN
pressure_rating150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
style_designatorSOLID WEDGE
NSN4820-01-289-1733
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 83309-31 ITEM 6A · 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
•
SEAT ANGLE: 45.0 DEGREES NOMINAL
•
PRESSURE RATING: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
STYLE DESIGNATOR: SOLID WEDGE
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT13.750 INCHES NOMINAL IN
SEAT ANGLE45.0 DEGREES NOMINAL
PRESSURE RATING150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
STYLE DESIGNATORSOLID WEDGE
MATERIALSTEEL CORROSION RESISTING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
8553-1-65Interchangeable
interchangeable cross-reference
interchangeable
P4-32926-G01 REInterchangeable
interchangeable cross-reference
interchangeable
83309-37 ITEM 5Interchangeable
interchangeable cross-reference
interchangeable
83309-31CD51378810-00648-02TSInterchangeable
interchangeable cross-reference
interchangeable
83309-31Interchangeable
interchangeable cross-reference
interchangeable
83309-31 ITEM 7 12IN. VALVEInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 83309-31 ITEM 6A?
83309-31 ITEM 6A is a DISK,VALVE.
What parts can replace 83309-31 ITEM 6A?
There are 8 known substitutes for 83309-31 ITEM 6A: 8553-1-65, P4-32926-G01 RE, 83309-37 ITEM 5 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 83309-31 ITEM 6A?
83309-31 ITEM 6A is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-289-1733. 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