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KF30 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

KF30: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, flange_diameter: 0.590 INCHES MINIMUM AND 0.595 INCHES MAXIMUM IN, style_designator: PLAIN FLANGED, seat_angle_in_deg: 15.000 NOMINAL, under_flange_height: 0.100 INCHES NOMINAL IN, body_inside_diameter: 0.247 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-695-2186, 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
KF30
NSN: 4820-00-695-2186
FSC: 4820 — Valves, Nonpowered
CAGE: 66289 — WISCONSIN MOTORS, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flange_diameter0.590 INCHES MINIMUM AND 0.595 INCHES MAXIMUM IN
style_designatorPLAIN FLANGED
seat_angle_in_deg15.000 NOMINAL
under_flange_height0.100 INCHES NOMINAL IN
body_inside_diameter0.247 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
body_outside_diameter0.438 INCHES NOMINAL IN
seating_surface_shapeANGULAR
flange_seat_to_disk_end_height0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
NSN4820-00-695-2186
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: KF30 · 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
•
FLANGE SEAT TO DISK END HEIGHT: 0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
•
FLANGE DIAMETER: 0.590 INCHES MINIMUM AND 0.595 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.438 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
BODY INSIDE DIAMETER: 0.247 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
UNDER FLANGE HEIGHT: 0.100 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
SEAT ANGLE IN DEG: 15.000 NOMINAL
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
FLANGE DIAMETER0.590 INCHES MINIMUM AND 0.595 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.438 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN FLANGED
BODY INSIDE DIAMETER0.247 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
UNDER FLANGE HEIGHT0.100 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SEAT ANGLE IN DEG15.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
SUBSTITUTES & CROSS-REFERENCES 1
28708Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is KF30?
KF30 is a SEAT,VALVE.
What parts can replace KF30?
There is 1 known substitute for KF30: 28708. Substitute compatibility should be verified for your specific system.
What is the NSN for KF30?
KF30 is cataloged in the U.S. Government catalog under NSN 4820-00-695-2186. 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.