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R4V1053330A5 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

R4V1053330A5: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include valve_size: 1.250 INCHES IN, special_features: 1.250 IPS; 101 TO 3045 PSI SUB. PLT.

MNT.; R4V PROPORTIONAL PRESSURE RELIEF VALVE, valve_operation_method: AUTOMATIC, adjustable_pressure_range: +101.0 TO 3045.0 POUNDS PER SQUARE INCH LBS, part_name_assigned_by_controlling_agency: PRESSURE RELIEF VALVE. This part is cataloged in the U.S. Government catalog under NSN 4820-01-504-8640, 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
R4V1053330A5
NSN: 4820-01-504-8640
FSC: 4820 — Valves, Nonpowered
CAGE: 09990 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC VALVE DIVISION (USA)
SPECIFICATIONS
valve_size1.250 INCHES IN
special_features1.250 IPS; 101 TO 3045 PSI SUB. PLT. MNT.; R4V PROPORTIONAL PRESSURE RELIEF VALVE
valve_operation_methodAUTOMATIC
adjustable_pressure_range+101.0 TO 3045.0 POUNDS PER SQUARE INCH LBS
part_name_assigned_by_controlling_agencyPRESSURE RELIEF VALVE
NSN4820-01-504-8640
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: R4V1053330A5 · 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
•
VALVE SIZE: 1.250 INCHES IN
•
ADJUSTABLE PRESSURE RANGE: +101.0 TO 3045.0 POUNDS PER SQUARE INCH LBS
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
VALVE SIZE1.250 INCHES IN
ADJUSTABLE PRESSURE RANGE+101.0 TO 3045.0 POUNDS PER SQUARE INCH LBS
SPECIAL FEATURES1.250 IPS; 101 TO 3045 PSI SUB. PLT. MNT.; R4V PROPORTIONAL PRESSURE RELIEF VALVE
PART NAME ASSIGNED BY CONTROLLING AGENCYPRESSURE RELIEF VALVE
VALVE OPERATION METHODAUTOMATIC
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 1
016-87820-5Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is R4V1053330A5?
R4V1053330A5 is a VALVE,SAFETY RELIEF.
What parts can replace R4V1053330A5?
There is 1 known substitute for R4V1053330A5: 016-87820-5. Substitute compatibility should be verified for your specific system.
What is the NSN for R4V1053330A5?
R4V1053330A5 is cataloged in the U.S. Government catalog under NSN 4820-01-504-8640. 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.