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Technical Data Sheet
PartsTable / COMPONENT / S320-4
S320-4 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: STEEL OVERALL, body_width: 1.406 INCHES NOMINAL IN, body_length: 1.625 INCHES NOMINAL IN, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.434 INCHES NOMINAL SINGLE THREADED PORTION IN, overall_height: 1.219 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 4820-00-564-6955, 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
S320-4
NSN: 4820-00-564-6955
FSC: 4820
CAGE: 93591 — PENTAIR VALVES & CONTROLS US LP DIV FLOW CONTROL US HOLDING CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_width1.406 INCHES NOMINAL IN
body_length1.625 INCHES NOMINAL IN
thread_class2A SINGLE THREADED PORTION A
thread_length0.434 INCHES NOMINAL SINGLE THREADED PORTION IN
overall_height1.219 INCHES NOMINAL IN
style_designatorPLAIN
seat_angle_in_deg12.000 NOMINAL
mating_end_quantity1
nominal_thread_size2.500 INCHES SINGLE THREADED PORTION IN
body_inside_diameter2.000 INCHES NOMINAL IN
contact_removabilityNONREMOVABLE SINGLE MATING END ALL CONTACT GROUPINGS
NSN4820-00-564-6955
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: S320-4 · 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
•
THREAD SERIES DESIGNATOR: UN SINGLE THREADED PORTION
•
MATERIAL: STEEL OVERALL
•
BODY OUTSIDE DIAMETER: 2.493 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 12 SINGLE THREADED PORTION
•
NOMINAL THREAD SIZE: 2.500 INCHES SINGLE THREADED PORTION IN
•
THREAD LENGTH: 0.434 INCHES NOMINAL SINGLE THREADED PORTION IN
•
SEAT ANGLE IN DEG: 12.000 NOMINAL
•
THREAD CLASS: 2A SINGLE THREADED PORTION A
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
MATERIALSTEEL OVERALL
BODY OUTSIDE DIAMETER2.493 INCHES NOMINAL IN
THREAD QUANTITY PER INCH12 SINGLE THREADED PORTION
NOMINAL THREAD SIZE2.500 INCHES SINGLE THREADED PORTION IN
THREAD LENGTH0.434 INCHES NOMINAL SINGLE THREADED PORTION IN
SEAT ANGLE IN DEG12.000 NOMINAL
THREAD CLASS2A SINGLE THREADED PORTION A
SEATING SURFACE SHAPEANGULAR
BODY INSIDE DIAMETER2.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
GE0517Interchangeable
interchangeable cross-reference
interchangeable
5281Interchangeable
interchangeable cross-reference
interchangeable
5059Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S320-4?
S320-4 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace S320-4?
There are 3 known substitutes for S320-4: GE0517, 5281, 5059. Substitute compatibility should be verified for your specific system.
What is the NSN for S320-4?
S320-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-564-6955. 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