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PartsTable / COMPONENT / 145-00421
145-00421 ✓ 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 DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL, seat_angle: 45.0 DEGREES NOMINAL, tip_diameter: 0.372 INCHES NOMINAL IN, overall_height: 3.063 INCHES NOMINAL IN, shank_diameter: 0.373 INCHES NOMINAL IN, style_designator: POPPET. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-469-0111, 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
145-00421
NSN: 4820-00-469-0111
FSC: 4820
CAGE: 26505 — GROVE VALVE OPERATIONS (USA)
SPECIFICATIONS
materialSTEEL
seat_angle45.0 DEGREES NOMINAL
tip_diameter0.372 INCHES NOMINAL IN
overall_height3.063 INCHES NOMINAL IN
shank_diameter0.373 INCHES NOMINAL IN
style_designatorPOPPET
under_flange_height2.406 INCHES NOMINAL IN
flange_seat_to_disk_end_height0.500 INCHES NOMINAL IN
NSN4820-00-469-0111
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 145-00421 · 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: STEEL
•
SEAT ANGLE: 45.0 DEGREES NOMINAL
•
FLANGE SEAT TO DISK END HEIGHT: 0.500 INCHES NOMINAL IN
•
TIP DIAMETER: 0.372 INCHES NOMINAL IN
•
UNDER FLANGE HEIGHT: 2.406 INCHES NOMINAL IN
•
STYLE DESIGNATOR: POPPET
•
SHANK DIAMETER: 0.373 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
SEAT ANGLE45.0 DEGREES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.500 INCHES NOMINAL IN
TIP DIAMETER0.372 INCHES NOMINAL IN
OVERALL HEIGHT3.063 INCHES NOMINAL IN
UNDER FLANGE HEIGHT2.406 INCHES NOMINAL IN
STYLE DESIGNATORPOPPET
SHANK DIAMETER0.373 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
220-13Interchangeable
interchangeable cross-reference
interchangeable
AT4046AInterchangeable
interchangeable cross-reference
interchangeable
606Interchangeable
interchangeable cross-reference
interchangeable
F6-1674Interchangeable
interchangeable cross-reference
interchangeable
96 5/8Interchangeable
interchangeable cross-reference
interchangeable
B107.410Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 145-00421?
145-00421 is a DISK,VALVE.
What parts can replace 145-00421?
There are 12 known substitutes for 145-00421: 220-13, AT4046A, 606 and 9 more. Substitute compatibility should be verified for your specific system.
Is 145-00421 still available?
145-00421 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