TYPE R,3/4INCH — VALVE,SAFETY RELIEF

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

TYPE R,3/4INCH: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY SEAT, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN,OPTIONAL END(PIPE) ALL ENDS, style_designator: ANGLE, thread_direction: RIGHT-HAND ALL ENDS, features_provided: PRESSURE TIGHT OUTLET SIDE. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-289-1840, 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

TYPE R,3/4INCH

NSN: 4820-00-289-1840
FSC: 4820 — Valves, Nonpowered
CAGE: 64042 — WATSON MCDANIEL CO (USA)

SPECIFICATIONS

material	COPPER ALLOY SEAT
connection_type	THREADED INTERNAL PIPE ALL ENDS
connection_style	PLAIN,OPTIONAL END(PIPE) ALL ENDS
style_designator	ANGLE
thread_direction	RIGHT-HAND ALL ENDS
features_provided	PRESSURE TIGHT OUTLET SIDE
operating_pressure	300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_method	SPRING
flow_control_device	BALL
nominal_thread_size	0.750 INCHES ALL ENDS IN
maximum_operating_temp	400.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_method	AUTOMATIC
NSN	4820-00-289-1840

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: BALL

•

NOMINAL PIPE SIZE ACCOMMODATED: 0.750 INCHES FIRST END IN

•

CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDS

•

CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS

•

STYLE DESIGNATOR: ANGLE

•

OPERATING PRESSURE: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS

•

ADJUSTABLE PRESSURE RANGE: +101.0 TO 300.0 POUNDS PER SQUARE INCH LBS

•

FEATURES PROVIDED: PRESSURE TIGHT OUTLET SIDE

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	BALL
NOMINAL PIPE SIZE ACCOMMODATED	0.750 INCHES FIRST END IN
CONNECTION STYLE	PLAIN,OPTIONAL END(PIPE) ALL ENDS
CONNECTION TYPE	THREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATOR	ANGLE
OPERATING PRESSURE	300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
ADJUSTABLE PRESSURE RANGE	+101.0 TO 300.0 POUNDS PER SQUARE INCH LBS
FEATURES PROVIDED	PRESSURE TIGHT OUTLET SIDE
THREAD DIRECTION	RIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE	0.750 INCHES ALL ENDS IN

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 2

NY460-484-6PC11Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

S5101-880459ALT6PC11Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 TYPE R,3/4INCH?

TYPE R,3/4INCH is a VALVE,SAFETY RELIEF.

What parts can replace TYPE R,3/4INCH?

There are 2 known substitutes for TYPE R,3/4INCH: NY460-484-6PC11, S5101-880459ALT6PC11. Substitute compatibility should be verified for your specific system.

What is the NSN for TYPE R,3/4INCH?

TYPE R,3/4INCH is cataloged in the U.S. Government catalog under NSN 4820-00-289-1840. This indicates validated use in U.S. government and defense supply chains.

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