PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 1503-3-4000
1503-3-4000 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN,OPTIONAL END(PIPE) ALL ENDS, style_designator: ANGLE, thread_direction: RIGHT-HAND ALL ENDS, disk_loading_method: SPRING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-241-4427, 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
1503-3-4000
NSN: 4820-00-241-4427
FSC: 4820
CAGE: 09990 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC VALVE DIVISION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN,OPTIONAL END(PIPE) ALL ENDS
style_designatorANGLE
thread_directionRIGHT-HAND ALL ENDS
disk_loading_methodSPRING
flow_control_deviceBALL
nominal_thread_size0.375 INCHES ALL ENDS IN
valve_operation_methodAUTOMATIC
thread_series_designatorNPT ALL ENDS
adjustable_pressure_range+800.0 TO 4000.0 POUNDS PER SQUARE INCH LBS
NSN4820-00-241-4427
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1503-3-4000 · 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
•
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDS
•
FLOW CONTROL DEVICE: BALL
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
ADJUSTABLE PRESSURE RANGE: +800.0 TO 4000.0 POUNDS PER SQUARE INCH LBS
•
DISK LOADING METHOD: SPRING
•
NOMINAL THREAD SIZE: 0.375 INCHES ALL ENDS IN
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
FLOW CONTROL DEVICEBALL
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
ADJUSTABLE PRESSURE RANGE+800.0 TO 4000.0 POUNDS PER SQUARE INCH LBS
DISK LOADING METHODSPRING
NOMINAL THREAD SIZE0.375 INCHES ALL ENDS IN
THREAD DIRECTIONRIGHT-HAND ALL ENDS
MATERIALSTEEL CORROSION RESISTING OVERALL
VALVE OPERATION METHODAUTOMATIC
THREAD SERIES DESIGNATORNPT ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
SB2102-2Interchangeable
interchangeable cross-reference
interchangeable
HU1008LAR3504Interchangeable
interchangeable cross-reference
interchangeable
15033Interchangeable
interchangeable cross-reference
interchangeable
208Interchangeable
interchangeable cross-reference
interchangeable
503-S 33Interchangeable
interchangeable cross-reference
interchangeable
350-RTInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 1503-3-4000?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 1503-3-4000?
1503-3-4000 is a VALVE,SAFETY RELIEF.
What parts can replace 1503-3-4000?
There are 17 known substitutes for 1503-3-4000: SB2102-2, HU1008LAR3504, 15033 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1503-3-4000?
1503-3-4000 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-241-4427. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 1503-3-4000

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026