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RD19056-4 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

RD19056-4: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bonnet_type: INSIDE SPRING, connection_type: THREADED EXTERNAL PIPE THIRD END, connection_style: PLAIN,OPTIONAL END(PIPE) FIRST END, style_designator: CROSS, thread_direction: RIGHT-HAND THIRD END. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-430-9249, 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
RD19056-4
NSN: 4820-00-430-9249
FSC: 4820 — Valves, Nonpowered
CAGE: 51663 — HYDRO-AIRE AEROSPACE CORP. DBA LEAR ROMEC DIV LEAR ROMEC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bonnet_typeINSIDE SPRING
connection_typeTHREADED EXTERNAL PIPE THIRD END
connection_stylePLAIN,OPTIONAL END(PIPE) FIRST END
style_designatorCROSS
thread_directionRIGHT-HAND THIRD END
operating_pressure20.5 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_devicePOPPET
nominal_thread_size0.125 INCHES FIRST END IN
valve_operation_methodAUTOMATIC
bonnet_attachment_methodTHREADED
NSN4820-00-430-9249
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: RD19056-4 · 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: POPPET
•
CONNECTION STYLE: PLAIN (PIPE) THIRD END
•
CONNECTION TYPE: THREADED EXTERNAL PIPE THIRD END
•
STYLE DESIGNATOR: CROSS
•
OPERATING PRESSURE: 20.5 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
ADJUSTABLE PRESSURE RANGE: +3.0 TO 35.0 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
CONNECTION STYLEPLAIN (PIPE) THIRD END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) FIRST END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE THIRD END
STYLE DESIGNATORCROSS
OPERATING PRESSURE20.5 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
ADJUSTABLE PRESSURE RANGE+3.0 TO 35.0 POUNDS PER SQUARE INCH LBS
BONNET TYPEINSIDE SPRING
THREAD DIRECTIONRIGHT-HAND SECOND END
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 RD19056-4?
RD19056-4 is a VALVE,SAFETY RELIEF.
What is the NSN for RD19056-4?
RD19056-4 is cataloged in the U.S. Government catalog under NSN 4820-00-430-9249. This indicates validated use in U.S. government and defense supply chains.
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