PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 83309-31
83309-31 ✓ 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 STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, stem_type: RISING, seat_angle: 45.0 DEGREES NOMINAL, valve_size: 4.000 INCHES IN, bonnet_type: OUTSIDE SCREW-YOKE, overall_height: 13.750 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 4820-01-143-5741, 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
NSN: 4820-01-143-5741
FSC: 4820
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
stem_typeRISING
seat_angle45.0 DEGREES NOMINAL
valve_size4.000 INCHES IN
bonnet_typeOUTSIDE SCREW-YOKE
overall_height13.750 INCHES NOMINAL IN
overall_length38.000 INCHES NOMINAL IN
connection_typeBUTT WELD TUBE
pressure_rating150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
style_designatorSOLID WEDGE
valve_operation_methodMANUAL
stem_actuating_end_typeTHREADED EXTERNALLY
NSN4820-01-143-5741
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 83309-31 · 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 DOCUMENT AND CLASSIFICATION: ASTM A479 ASSN STD SINGLE MATERIAL RESPONSE
•
VALVE TYPE FOR WHICH DESIGNED: GATE
•
VALVE SIZE FOR WHICH DESIGNED: 4.000 INCHES AND 5.000 INCHES IN
•
MATERIAL: STEEL COMP 410
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A479 ASSN STD SINGLE MATERIAL RESPONSE
VALVE TYPE FOR WHICH DESIGNEDGATE
OVERALL LENGTH16.125 INCHES NOMINAL IN
VALVE SIZE FOR WHICH DESIGNED4.000 INCHES AND 5.000 INCHES IN
MATERIALSTEEL COMP 410
STEM ACTUATING END TYPETHREADED EXTERNALLY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
83309-31CD51378810-00648-02TSInterchangeable
interchangeable cross-reference
interchangeable
83309-31Interchangeable
interchangeable cross-reference
interchangeable
83309-31 ITEM 6AInterchangeable
interchangeable cross-reference
interchangeable
8538-0-63Interchangeable
interchangeable cross-reference
interchangeable
83309-31 ITEM 7 12IN. VALVEInterchangeable
interchangeable cross-reference
interchangeable
8558-0-63Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 83309-31?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 83309-31?
83309-31 is a STEM,FLUID VALVE.
What parts can replace 83309-31?
There are 12 known substitutes for 83309-31: 83309-31CD51378810-00648-02TS, 83309-31, 83309-31 ITEM 6A and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 83309-31?
83309-31 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-143-5741. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 83309-31

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026