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056744 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

056744: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL UNS J92800 BODY, valve_size: 8.000 INCHES IN, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, pressure_rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, special_features: SWING-CHECK TYPE; END FLANGE DIMENSIONS CONFORM TO ANSI B16.5,FACE TO FACE DIMENSIONS CONFORM TO ANSI B16.10. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-206-4373, 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
056744
NSN: 4820-01-206-4373
NIINs: 012064373, 012064481, 012064631
FSC: 4820 — Valves, Nonpowered
CAGE: 48422 — WILLIAM POWELL COMPANY, THE DBA POWELL VALVE DIV THE STARFLO CORPORATION (USA)
SPECIFICATIONS
materialSTEEL UNS J92800 BODY
valve_size8.000 INCHES IN
flange_shapeROUND WITH HOLES ALL ENDS
connection_typeFLANGE ALL ENDS
pressure_rating150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
special_featuresSWING-CHECK TYPE; END FLANGE DIMENSIONS CONFORM TO ANSI B16.5,FACE TO FACE DIMENSIONS CONFORM TO ANSI B16.10
style_designatorSTRAIGHT THRU FLANGED ENDS
mounting_positionHORIZONTAL OR VERTICAL
nominal_thickness1.063 INCHES ALL ENDS IN
bolt_hole_quantity8 ALL ENDS
flange_face_designRAISED STRAIGHT ALL ENDS
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NSN4820-01-206-4373
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 056744 · 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
•
RENEWABLE SEAT RING TYPE: THREADED
•
FLANGE FACE DESIGN: RAISED STRAIGHT ALL ENDS
•
BOLT CIRCLE NOMINAL DIAMETER: 11.750 INCHES ALL ENDS IN
•
MOUNTING POSITION: HORIZONTAL OR VERTICAL
•
CONNECTION TYPE: FLANGE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU FLANGED ENDS
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
FLANGE SHAPEROUND WITH HOLES ALL ENDS
RENEWABLE SEAT RING TYPETHREADED
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER11.750 INCHES ALL ENDS IN
MOUNTING POSITIONHORIZONTAL OR VERTICAL
CONNECTION TYPEFLANGE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
BOLT HOLE NOMINAL DIAMETER0.875 INCHES ALL ENDS IN
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
SUBSTITUTES & CROSS-REFERENCES 7
FIG 2633(FE) 8INReference document
Same NSN cross-reference
Reference document — Secondary reference
151F1LWReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
31F-CB7 8INReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
5341F 8IN.Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
056744 PL 057170Reference document
Same NSN cross-reference
Reference document — Secondary reference
2633 DWG 056744Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 056744?
056744 is a DISK,VALVE.
What parts can replace 056744?
There are 7 known substitutes for 056744: FIG 2633(FE) 8IN, 151F1LW, 31F-CB7 8IN and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 056744?
056744 is cataloged in the U.S. Government catalog under NSN 4820-01-206-4373. 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.