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146-00227 — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

146-00227: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include material: STEEL CORROSION RESISTING OVERALL, taper_length: 0.422 INCHES NOMINAL IN, flange_diameter: 1.500 INCHES NOMINAL IN, style_designator: PLAIN FLANGED, seat_angle_in_deg: 45.000 NOMINAL, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-375-7821, 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
146-00227
NSN: 4820-00-375-7821
FSC: 4820 — Valves, Nonpowered
CAGE: 26505 — GROVE VALVE OPERATIONS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
taper_length0.422 INCHES NOMINAL IN
flange_diameter1.500 INCHES NOMINAL IN
style_designatorPLAIN FLANGED
seat_angle_in_deg45.000 NOMINAL
surface_treatmentPASSIVATE OVERALL
under_flange_height0.125 INCHES NOMINAL IN
body_inside_diameter0.250 INCHES NOMINAL IN
taper_major_diameter0.250 INCHES NOMINAL IN
taper_minor_diameter1.031 INCHES NOMINAL IN
body_outside_diameter1.250 INCHES NOMINAL IN
seating_surface_shapeANGULAR
NSN4820-00-375-7821
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 146-00227 · 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: 0.547 INCHES NOMINAL IN
•
FLANGE DIAMETER: 1.500 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 1.250 INCHES NOMINAL IN
•
TAPER MINOR DIAMETER: 1.031 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
TAPER MAJOR DIAMETER: 0.250 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 0.250 INCHES NOMINAL IN
•
TAPER LENGTH: 0.422 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.547 INCHES NOMINAL IN
FLANGE DIAMETER1.500 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.250 INCHES NOMINAL IN
TAPER MINOR DIAMETER1.031 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN FLANGED
TAPER MAJOR DIAMETER0.250 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.250 INCHES NOMINAL IN
TAPER LENGTH0.422 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
UNDER FLANGE HEIGHT0.125 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
564-3801-936858REV1PC10Reference document
Same NSN cross-reference
Reference document — Secondary reference
234529Reference 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 146-00227?
146-00227 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace 146-00227?
There are 2 known substitutes for 146-00227: 564-3801-936858REV1PC10, 234529. Substitute compatibility should be verified for your specific system.
What is the NSN for 146-00227?
146-00227 is cataloged in the U.S. Government catalog under NSN 4820-00-375-7821. 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.