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PartsTable / COMPONENT / 20245 PIECE 5
20245 PIECE 5 ✓ 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 SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, taper_length: 0.031 INCHES NOMINAL IN, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 1.000 INCHES NOMINAL SINGLE THREADED PORTION IN, overall_height: 1.250 INCHES NOMINAL IN, style_designator: PLAIN THREADED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-490-3257, 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
20245 PIECE 5
NSN: 4820-00-490-3257
FSC: 4820
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
taper_length0.031 INCHES NOMINAL IN
thread_class2A SINGLE THREADED PORTION A
thread_length1.000 INCHES NOMINAL SINGLE THREADED PORTION IN
overall_height1.250 INCHES NOMINAL IN
style_designatorPLAIN THREADED
seat_angle_in_deg0.750 NOMINAL
nominal_thread_size1.125 INCHES SINGLE THREADED PORTION IN
body_inside_diameter1.047 INCHES NOMINAL IN
taper_major_diameter1.000 INCHES NOMINAL IN
taper_minor_diameter0.750 INCHES NOMINAL IN
seating_surface_shapeANGULAR
NSN4820-00-490-3257
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20245 PIECE 5 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
A7410-002-127Interchangeable
interchangeable cross-reference
interchangeable
8610 PIECE 4 1/4INInterchangeable
interchangeable cross-reference
interchangeable
8610 PIECE 4 1/4INCPInterchangeable
interchangeable cross-reference
interchangeable
20186 FIND 5Interchangeable
interchangeable cross-reference
interchangeable
20213FIND4Interchangeable
interchangeable cross-reference
interchangeable
20266FN5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20245 PIECE 5?
20245 PIECE 5 is a SEAT,VALVE.
What parts can replace 20245 PIECE 5?
There are 21 known substitutes for 20245 PIECE 5: A7410-002-127, 8610 PIECE 4 1/4IN, 8610 PIECE 4 1/4INCP and 18 more. Substitute compatibility should be verified for your specific system.
Is 20245 PIECE 5 still available?
20245 PIECE 5 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026