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RDDT-QWN-240BAR — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

RDDT-QWN-240BAR: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include part_name_assigned_by_controlling_agency: DIRECT-ACTING RELIEF VALVE, CE MARKED. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-659-3766, 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
RDDT-QWN-240BAR
NSN: 4820-01-659-3766
FSC: 4820 — Valves, Nonpowered
CAGE: 54035 — SUN HYDRAULICS CORPORATION (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyDIRECT-ACTING RELIEF VALVE, CE MARKED
NSN4820-01-659-3766
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: RDDT-QWN-240BAR · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESCONTROL CAPPED AND LOCKWIRED, ADJUSTMENT RANGE 211-314 BAR (211-314 BAR)SEAL MATERIAL BUNA-N, RESPONSE TIME 2MS, MAX VALVE LEAKAGE AT RESET 10DROPS/MIN, NUMBER OF CLOCKWISE TURNS TO INCREASE SETTING 5, ADJ SCREW INTERNAL HEX SIZE 5/32IN, LOCKNUT HEX SIZE 9/16IN, IN
PART NAME ASSIGNED BY CONTROLLING AGENCYDIRECT-ACTING RELIEF VALVE, CE MARKED
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
91984767Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RDDT-QWN-240BAR?
RDDT-QWN-240BAR is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace RDDT-QWN-240BAR?
There is 1 known substitute for RDDT-QWN-240BAR: 91984767. Substitute compatibility should be verified for your specific system.
What is the NSN for RDDT-QWN-240BAR?
RDDT-QWN-240BAR is cataloged in the U.S. Government catalog under NSN 4820-01-659-3766. 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.