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Y4JC45821B — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

Y4JC45821B: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include hole_diameter: 8.0 MILLIMETERS NOMINAL MM, outside_diameter: 2.375 INCHES NOMINAL IN, style_designator: FLAT, material_thickness: 0.015 INCHES NOMINAL IN, bolt_circle_diameter: 1.875 INCHES NOMINAL IN, center_hole_diameter: 8.0 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-352-0200, 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
Y4JC45821B
NSN: 4810-01-352-0200
FSC: 4810 — Valves, Powered
CAGE: 16236 — DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS) (USA)
SPECIFICATIONS
hole_diameter8.0 MILLIMETERS NOMINAL MM
outside_diameter2.375 INCHES NOMINAL IN
style_designatorFLAT
bolt_hole_quantity5
material_thickness0.015 INCHES NOMINAL IN
bolt_circle_diameter1.875 INCHES NOMINAL IN
center_hole_diameter8.0 MILLIMETERS NOMINAL MM
NSN4810-01-352-0200
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: Y4JC45821B · 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
•
OUTSIDE DIAMETER: 2.375 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT
•
MATERIAL THICKNESS: 0.015 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 5
•
BOLT CIRCLE DIAMETER: 1.875 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 8.0 MILLIMETERS NOMINAL MM
•
HOLE DIAMETER: 8.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER2.375 INCHES NOMINAL IN
STYLE DESIGNATORFLAT
MATERIAL THICKNESS0.015 INCHES NOMINAL IN
BOLT HOLE QUANTITY5
BOLT CIRCLE DIAMETER1.875 INCHES NOMINAL IN
CENTER HOLE DIAMETER8.0 MILLIMETERS NOMINAL MM
HOLE DIAMETER8.0 MILLIMETERS NOMINAL MM
OTHER ITEMS IN FSC 4810 — Valves, Powered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4810-00-001-1247 4810-00-001-4499 4810-00-001-4531 4810-00-001-4532 4810-00-001-4554 4810-00-001-4555 4810-00-001-4556 4810-00-001-4611
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 Y4JC45821B?
Y4JC45821B is a DIAPHRAGM,VALVE,FLAT.
What is the NSN for Y4JC45821B?
Y4JC45821B is cataloged in the U.S. Government catalog under NSN 4810-01-352-0200. 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.