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Technical Data Sheet
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19438 ✓ 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 BASKETXSTRAINER is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.562 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 3.750 INCHES NOMINAL IN, style_designator: THREADED FLANGED, nominal_thread_size: 3.500 INCHES SINGLE THREADED PORTION 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 4820-00-738-8457, 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
19438
NSN: 4820-00-738-8457
FSC: 4820
CAGE: 48422 — WILLIAM POWELL COMPANY, THE DBA POWELL VALVE DIV THE STARFLO CORPORATION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
thread_class2A SINGLE THREADED PORTION A
thread_length0.562 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter3.750 INCHES NOMINAL IN
style_designatorTHREADED FLANGED
nominal_thread_size3.500 INCHES SINGLE THREADED PORTION IN
under_flange_height0.562 INCHES NOMINAL IN
body_inside_diameter3.000 INCHES NOMINAL IN
seating_surface_shapeFLAT
thread_quantity_per_inch16 SINGLE THREADED PORTION
thread_series_designatorUN SINGLE THREADED PORTION
flange_seat_to_disk_end_height0.281 INCHES NOMINAL IN
NSN4820-00-738-8457
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 19438 · 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 CLASS: 2A SINGLE THREADED PORTION A
•
BODY INSIDE DIAMETER: 3.000 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
NOMINAL THREAD SIZE: 3.500 INCHES SINGLE THREADED PORTION IN
•
THREAD QUANTITY PER INCH: 16 SINGLE THREADED PORTION
•
FLANGE SEAT TO DISK END HEIGHT: 0.281 INCHES NOMINAL IN
•
UNDER FLANGE HEIGHT: 0.562 INCHES NOMINAL IN
•
THREAD LENGTH: 0.562 INCHES NOMINAL SINGLE THREADED PORTION IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2A SINGLE THREADED PORTION A
BODY INSIDE DIAMETER3.000 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD SIZE3.500 INCHES SINGLE THREADED PORTION IN
THREAD QUANTITY PER INCH16 SINGLE THREADED PORTION
FLANGE SEAT TO DISK END HEIGHT0.281 INCHES NOMINAL IN
UNDER FLANGE HEIGHT0.562 INCHES NOMINAL IN
THREAD LENGTH0.562 INCHES NOMINAL SINGLE THREADED PORTION IN
SEATING SURFACE SHAPEFLAT
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
40725Interchangeable
interchangeable cross-reference
interchangeable
715370-005Interchangeable
interchangeable cross-reference
interchangeable
SC5999-0040-1Interchangeable
interchangeable cross-reference
interchangeable
438169-1Interchangeable
interchangeable cross-reference
interchangeable
19438Interchangeable
interchangeable cross-reference
interchangeable
5120H13-001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 19438?
19438 is a BASKETXSTRAINER.
What parts can replace 19438?
There are 8 known substitutes for 19438: 40725, 715370-005, SC5999-0040-1 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 19438?
19438 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-738-8457. 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