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H594-2283-504 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

H594-2283-504: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: STEEL FLOW CONTROL DEVICE, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, special_features: WITH 1/8 IN. RADIUS BEADED EDGE,1 IN.

THK FLANGE EDGE IN, style_designator: STRAIGHT THRU, mounting_position: HORIZONTAL. This part is cataloged in the U.S. Government catalog under NSN 4820-01-256-4872, 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
H594-2283-504
NSN: 4820-01-256-4872
FSC: 4820 — Valves, Nonpowered
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
materialSTEEL FLOW CONTROL DEVICE
flange_shapeROUND WITH HOLES ALL ENDS
connection_typeFLANGE ALL ENDS
special_featuresWITH 1/8 IN. RADIUS BEADED EDGE,1 IN. THK FLANGE EDGE IN
style_designatorSTRAIGHT THRU
mounting_positionHORIZONTAL
nominal_thickness0.750 INCHES ALL ENDS IN
bolt_hole_quantity12 ALL ENDS
flange_face_designPLAIN ALL ENDS
flow_control_deviceDISK
valve_operation_methodAUTOMATIC
nominal_outside_diameter18.000 INCHES ALL ENDS IN
NSN4820-01-256-4872
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: H594-2283-504 · 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
•
FLOW CONTROL DEVICE: DISK
•
FLANGE SHAPE: ROUND WITH HOLES ALL ENDS
•
FLANGE FACE DESIGN: PLAIN ALL ENDS
•
BOLT CIRCLE NOMINAL DIAMETER: 15.250 INCHES ALL ENDS IN
•
MOUNTING POSITION: HORIZONTAL
•
CONNECTION TYPE: FLANGE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
BOLT HOLE NOMINAL DIAMETER: 0.531 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER15.250 INCHES ALL ENDS IN
MOUNTING POSITIONHORIZONTAL
CONNECTION TYPEFLANGE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
BOLT HOLE NOMINAL DIAMETER0.531 INCHES ALL ENDS IN
NOMINAL OUTSIDE DIAMETER18.000 INCHES ALL ENDS IN
BOLT HOLE QUANTITY12 ALL ENDS
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
511-4325301Reference 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 H594-2283-504?
H594-2283-504 is a VALVE,CHECK.
What parts can replace H594-2283-504?
There is 1 known substitute for H594-2283-504: 511-4325301. Substitute compatibility should be verified for your specific system.
What is the NSN for H594-2283-504?
H594-2283-504 is cataloged in the U.S. Government catalog under NSN 4820-01-256-4872. 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.