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PWA50573-1 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

PWA50573-1: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416 FLOW CONTROL DEVICE, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: FLARED (TUBE) FIRST END, style_designator: ANGLE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-008-5105, 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
PWA50573-1
NSN: 4820-01-008-5105
FSC: 4820 — Valves, Nonpowered
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 416 FLOW CONTROL DEVICE
seat_angle37.0 DEGREES FIRST END
thread_class3A FIRST END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_styleFLARED (TUBE) FIRST END
style_designatorANGLE
thread_directionRIGHT-HAND FIRST END
surface_treatmentANODIZE LOCATION NOT OTHERWISE SPECIFIED
operating_pressure50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_devicePOPPET
nominal_thread_size0.250 INCHES SECOND END IN
NSN4820-01-008-5105
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: PWA50573-1 · 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: FLARED (TUBE) FIRST END
•
CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND END
•
STYLE DESIGNATOR: ANGLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66,COMP 416 FED STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.375 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
CONNECTION STYLEFLARED (TUBE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
STYLE DESIGNATORANGLE
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66,COMP 416 FED STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES FIRST END IN
OPERATING PRESSURE50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
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 1
628XB2-6-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is PWA50573-1?
PWA50573-1 is a VALVE,SAFETY RELIEF.
What parts can replace PWA50573-1?
There is 1 known substitute for PWA50573-1: 628XB2-6-1. Substitute compatibility should be verified for your specific system.
What is the NSN for PWA50573-1?
PWA50573-1 is cataloged in the U.S. Government catalog under NSN 4820-01-008-5105. This indicates validated use in U.S. government and defense supply chains.
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