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224-0801-21 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

224-0801-21: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, seat_radius: 0.445 INCHES NOMINAL IN, overall_height: 0.155 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN, style_designator: PLAIN, body_inside_diameter: 0.437 INCHES NOMINAL IN, body_outside_diameter: 3.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-972-9345, 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
224-0801-21
NSN: 4820-00-972-9345
FSC: 4820 — Valves, Nonpowered
CAGE: 25203 — ROCKWELL INTL CORP FLOW CONTROL DIV (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
seat_radius0.445 INCHES NOMINAL IN
overall_height0.155 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
style_designatorPLAIN
body_inside_diameter0.437 INCHES NOMINAL IN
body_outside_diameter3.000 INCHES NOMINAL IN
seating_surface_shapeRADIAL
NSN4820-00-972-9345
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 224-0801-21 · 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
•
BODY OUTSIDE DIAMETER: 3.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
BODY INSIDE DIAMETER: 0.437 INCHES NOMINAL IN
•
SEAT RADIUS: 0.445 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
•
SEATING SURFACE SHAPE: RADIAL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.155 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER3.000 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
BODY INSIDE DIAMETER0.437 INCHES NOMINAL IN
SEAT RADIUS0.445 INCHES NOMINAL IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
SEATING SURFACE SHAPERADIAL
SUBSTITUTES & CROSS-REFERENCES 1
224-0801Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 224-0801-21?
224-0801-21 is a SEAT,VALVE.
What parts can replace 224-0801-21?
There is 1 known substitute for 224-0801-21: 224-0801. Substitute compatibility should be verified for your specific system.
What is the NSN for 224-0801-21?
224-0801-21 is cataloged in the U.S. Government catalog under NSN 4820-00-972-9345. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.