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83309-31 ITEM 7 12IN. VALVE — Technical Data Sheet

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— · 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 COMP 410, overall_length: 38.000 INCHES NOMINAL IN, stem_actuating_end_type: THREADED EXTERNALLY, largest_outside_diameter: 2.188 INCHES NOMINAL IN, valve_size_for_which_designed: 12.000 INCHES IN, valve_type_for_which_designed: GATE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-01-289-8351, 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 7 12IN. VALVE
NSN: 4820-01-289-8351
FSC: 4820
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
materialSTEEL COMP 410
overall_length38.000 INCHES NOMINAL IN
stem_actuating_end_typeTHREADED EXTERNALLY
largest_outside_diameter2.188 INCHES NOMINAL IN
valve_size_for_which_designed12.000 INCHES IN
valve_type_for_which_designedGATE
NSN4820-01-289-8351
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 83309-31 ITEM 7 12IN. VALVE · 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
•
VALVE TYPE FOR WHICH DESIGNED: GATE
•
LARGEST OUTSIDE DIAMETER: 2.188 INCHES NOMINAL IN
•
VALVE SIZE FOR WHICH DESIGNED: 12.000 INCHES IN
•
MATERIAL: STEEL COMP 410
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDGATE
OVERALL LENGTH38.000 INCHES NOMINAL IN
LARGEST OUTSIDE DIAMETER2.188 INCHES NOMINAL IN
VALVE SIZE FOR WHICH DESIGNED12.000 INCHES IN
MATERIALSTEEL COMP 410
STEM ACTUATING END TYPETHREADED EXTERNALLY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
13480InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
8558063InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
8553-1-65InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
P4-32926-G01 REInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
83309-37 ITEM 5InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
83309-31CD51378810-00648-02TSInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 83309-31 ITEM 7 12IN. VALVE?
83309-31 ITEM 7 12IN. VALVE is a STEM,FLUID VALVE.
What parts can replace 83309-31 ITEM 7 12IN. VALVE?
There are 10 known substitutes for 83309-31 ITEM 7 12IN. VALVE: 13480, 8558063, 8553-1-65 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 83309-31 ITEM 7 12IN. VALVE?
83309-31 ITEM 7 12IN. VALVE is cataloged in the Federal Logistics Information System under NSN 4820-01-289-8351. 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: September 2026