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IR502S-4PB-4MK-R — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

IR502S-4PB-4MK-R: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include material: STEEL CORROSION RESISTING BODY, furnished_items: AUTOMATIC RELIEF VALVE, flow_control_device: DIAPHRAGM, outlet_pressure_range: 5.0 TO 300.0 CAMERA MOUNT, media_for_which_designed: GAS AND LIQUID, NONCORROSIVE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-364-0837, 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
IR502S-4PB-4MK-R
NSN: 4820-01-364-0837
FSC: 4820 — Valves, Nonpowered
CAGE: 43030 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV VERIFLO DIVISION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
furnished_itemsAUTOMATIC RELIEF VALVE
flow_control_deviceDIAPHRAGM
outlet_pressure_range5.0 TO 300.0 CAMERA MOUNT
media_for_which_designedGAS AND LIQUID, NONCORROSIVE
NSN4820-01-364-0837
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: IR502S-4PB-4MK-R · 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: DIAPHRAGM
•
OUTLET PRESSURE RANGE: 5.0 TO 300.0 CAMERA MOUNT
•
MATERIAL: STEEL CORROSION RESISTING BODY
•
MEDIA FOR WHICH DESIGNED: GAS AND LIQUID, NONCORROSIVE
•
FURNISHED ITEMS: AUTOMATIC RELIEF VALVE
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDIAPHRAGM
OUTLET PRESSURE RANGE5.0 TO 300.0 CAMERA MOUNT
MATERIALSTEEL CORROSION RESISTING BODY
MEDIA FOR WHICH DESIGNEDGAS AND LIQUID, NONCORROSIVE
FURNISHED ITEMSAUTOMATIC RELIEF VALVE
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 IR502S-4PB-4MK-R?
IR502S-4PB-4MK-R is a VALVE,REGULATING,FLUID PRESSURE.
What is the NSN for IR502S-4PB-4MK-R?
IR502S-4PB-4MK-R is cataloged in the U.S. Government catalog under NSN 4820-01-364-0837. 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.