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1503 MODIFIED — VALVE,GATE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1503 MODIFIED: VALVE,GATE.

The VALVE,GATE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING DISK, stem_type: RISING, valve_size: 2.500 INCHES IN, bonnet_type: OUTSIDE SCREW-YOKE, overall_height: 15.875 INCHES NOMINAL IN, pressure_class: ERR-060. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-538-8619, 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
1503 MODIFIED
NSN: 4820-01-538-8619
FSC: 4820 — Valves, Nonpowered
CAGE: 48422 — WILLIAM POWELL COMPANY, THE DBA POWELL VALVE DIV THE STARFLO CORPORATION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING DISK
stem_typeRISING
valve_size2.500 INCHES IN
bonnet_typeOUTSIDE SCREW-YOKE
overall_height15.875 INCHES NOMINAL IN
pressure_classERR-060
connection_typeFLANGE, ROUND W/HOLES
special_featuresFLANGED ENDS IAW ASME B16.5, B16.10, B16.25, B16.34 AND API 600, MODIFIED BY FLAT FACE FLANGES; PRESSURE/TEMPERATURE RATINGS IAW ASME B16.34; FLOW MEDIUM LUBE OIL
bolt_hole_quantity4
flange_face_designPLAIN
face_to_face_distance7.250 INCHES IN
valve_operation_methodMANUAL
NSN4820-01-538-8619
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1503 MODIFIED · 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: PLAIN
•
OPERATING PRESSURE AND TYPE: 150.0 POUNDS PER SQUARE INCH (PSI) LUBRICATING OIL DIESTER BASE MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
•
STEM TYPE: RISING
•
CONNECTION TYPE: FLANGE, ROUND W/HOLES
•
VALVE SIZE: 2.500 INCHES IN
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 HANDWHEEL
OVERALL HEIGHT15.875 INCHES NOMINAL IN
INLET RELATIONSHIP WITH OUTLETIDENTICAL
FLANGE FACE DESIGNPLAIN
OPERATING PRESSURE AND TYPE150.0 POUNDS PER SQUARE INCH (PSI) LUBRICATING OIL DIESTER BASE MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
STEM TYPERISING
CONNECTION TYPEFLANGE, ROUND W/HOLES
VALVE SIZE2.500 INCHES IN
BONNET TYPEOUTSIDE SCREW-YOKE
BOLT HOLE QUANTITY4
SUBSTITUTES & CROSS-REFERENCES 2
061023 2.5" FLAT FACE FLGReference document
Same NSN cross-reference
Reference document — Secondary reference
061023-FFReference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 1503 MODIFIED?
1503 MODIFIED is a VALVE,GATE.
What parts can replace 1503 MODIFIED?
There are 2 known substitutes for 1503 MODIFIED: 061023 2.5" FLAT FACE FLG, 061023-FF. Substitute compatibility should be verified for your specific system.
What is the NSN for 1503 MODIFIED?
1503 MODIFIED is cataloged in the U.S. Government catalog under NSN 4820-01-538-8619. This indicates validated use in U.S. government and defense supply chains.
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