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IR503B4PXX4MPMSR — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

IR503B4PXX4MPMSR: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include material: COPPER ALLOY BODY, special_features: 10-500 PSI; 4 PORTS; 1/4 IN. NPTF WORT STYLE; MALE PORT CONFIGURATION IN, end_item_identification: TORNADO.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-487-4460, 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
IR503B4PXX4MPMSR
NSN: 4820-01-487-4460
FSC: 4820 — Valves, Nonpowered
CAGE: 43030 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV VERIFLO DIVISION (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
special_features10-500 PSI; 4 PORTS; 1/4 IN. NPTF WORT STYLE; MALE PORT CONFIGURATION IN
end_connection_quantity4
end_item_identificationTORNADO
NSN4820-01-487-4460
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: IR503B4PXX4MPMSR · 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
•
END CONNECTION QUANTITY: 4
•
MATERIAL: COPPER ALLOY BODY
TECHNICAL CHARACTERISTICS
END CONNECTION QUANTITY4
SPECIAL FEATURES10-500 PSI; 4 PORTS; 1/4 IN. NPTF WORT STYLE; MALE PORT CONFIGURATION IN
END ITEM IDENTIFICATIONTORNADO
MATERIALCOPPER ALLOY BODY
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is IR503B4PXX4MPMSR?
IR503B4PXX4MPMSR is a VALVE,REGULATING,FLUID PRESSURE.
What is the NSN for IR503B4PXX4MPMSR?
IR503B4PXX4MPMSR is cataloged in the U.S. Government catalog under NSN 4820-01-487-4460. 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.