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1503N 8IN — VALVE,GATE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1503N 8IN: VALVE,GATE.

The VALVE,GATE is a the manufacturer industrial component. Key specifications include material: STEEL BODY, stem_type: RISING, valve_size: 8.000 INCHES IN, bonnet_type: OUTSIDE SCREW-YOKE, pressure_class: ERR-060, connection_type: FLANGE, ROUND W/HOLES. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-412-2681, 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
1503N 8IN
NSN: 4820-01-412-2681
FSC: 4820 — Valves, Nonpowered
CAGE: 48422 — WILLIAM POWELL COMPANY, THE DBA POWELL VALVE DIV THE STARFLO CORPORATION (USA)
SPECIFICATIONS
materialSTEEL BODY
stem_typeRISING
valve_size8.000 INCHES IN
bonnet_typeOUTSIDE SCREW-YOKE
pressure_classERR-060
connection_typeFLANGE, ROUND W/HOLES
flange_diameter13.500 INCHES IN
special_featuresVALVE TO BE INTERNALLY COATED WITH AMERON RUST BAN EPOXY
bolt_hole_quantity8
flange_face_designRAISED
face_to_face_distance11.500 INCHES IN
valve_operation_methodMANUAL
NSN4820-01-412-2681
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1503N 8IN · 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
•
FURNISHED ITEMS AND QUANTITY: 1 HANDWHEEL
•
INLET RELATIONSHIP WITH OUTLET: IDENTICAL
•
FLANGE FACE DESIGN: RAISED
•
OPERATING PRESSURE AND TYPE: 150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
•
STEM TYPE: RISING
•
CONNECTION TYPE: FLANGE, ROUND W/HOLES
•
VALVE SIZE: 8.000 INCHES IN
•
BONNET TYPE: OUTSIDE SCREW-YOKE
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 HANDWHEEL
INLET RELATIONSHIP WITH OUTLETIDENTICAL
FLANGE FACE DESIGNRAISED
OPERATING PRESSURE AND TYPE150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
STEM TYPERISING
CONNECTION TYPEFLANGE, ROUND W/HOLES
VALVE SIZE8.000 INCHES IN
BONNET TYPEOUTSIDE SCREW-YOKE
BOLT HOLE QUANTITY8
FLANGE DIAMETER13.500 INCHES IN
SUBSTITUTES & CROSS-REFERENCES 2
054729Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
054729 ASSY 1503N 8INSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 1503N 8IN?
1503N 8IN is a VALVE,GATE.
What parts can replace 1503N 8IN?
There are 2 known substitutes for 1503N 8IN: 054729, 054729 ASSY 1503N 8IN. Substitute compatibility should be verified for your specific system.
What is the NSN for 1503N 8IN?
1503N 8IN is cataloged in the U.S. Government catalog under NSN 4820-01-412-2681. 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.