B518-JYR-77 — VALVE,SAFETY RELIEF

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

B518-JYR-77: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, connection_type: UNTHREADED INTERNAL TUBE ALL ENDS, connection_style: SOCKET (TUBE) ALL ENDS, style_designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS., features_provided: PRESSURE TIGHT OUTLET SIDE, disk_loading_method: SPRING. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-119-0519, 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

B518-JYR-77

NSN: 4820-01-119-0519
FSC: 4820 — Valves, Nonpowered
CAGE: 28193 — HENRY TECHNOLOGIES, INC. (USA)

SPECIFICATIONS

material	COPPER ALLOY OVERALL
connection_type	UNTHREADED INTERNAL TUBE ALL ENDS
connection_style	SOCKET (TUBE) ALL ENDS
style_designator	STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
features_provided	PRESSURE TIGHT OUTLET SIDE
disk_loading_method	SPRING
flow_control_device	DISK
valve_operation_method	AUTOMATIC
opening_pressure_setting	77.0 POUNDS PER SQUARE INCH LBS
nominal_outside_diameter_tube_accommodated	1.125 INCHES ALL ENDS IN
NSN	4820-01-119-0519

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: DISK

•

CONNECTION STYLE: SOCKET (TUBE) ALL ENDS

•

CONNECTION TYPE: UNTHREADED INTERNAL TUBE ALL ENDS

•

STYLE DESIGNATOR: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.

•

NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.125 INCHES ALL ENDS IN

•

FEATURES PROVIDED: PRESSURE TIGHT OUTLET SIDE

•

DISK LOADING METHOD: SPRING

•

MATERIAL: COPPER ALLOY OVERALL

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	DISK
CONNECTION STYLE	SOCKET (TUBE) ALL ENDS
CONNECTION TYPE	UNTHREADED INTERNAL TUBE ALL ENDS
STYLE DESIGNATOR	STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	1.125 INCHES ALL ENDS IN
FEATURES PROVIDED	PRESSURE TIGHT OUTLET SIDE
DISK LOADING METHOD	SPRING
MATERIAL	COPPER ALLOY OVERALL
OPENING PRESSURE SETTING	77.0 POUNDS PER SQUARE INCH LBS
VALVE OPERATION METHOD	AUTOMATIC

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

B518-JYT-77Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is B518-JYR-77?

B518-JYR-77 is a VALVE,SAFETY RELIEF.

What parts can replace B518-JYR-77?

There is 1 known substitute for B518-JYR-77: B518-JYT-77. Substitute compatibility should be verified for your specific system.

What is the NSN for B518-JYR-77?

B518-JYR-77 is cataloged in the U.S. Government catalog under NSN 4820-01-119-0519. This indicates validated use in U.S. government and defense supply chains.

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