SS-4R3A — VALVE,SAFETY RELIEF

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

SS-4R3A: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 BODY, connection_type: THREADED EXTERNAL TUBE ALL ENDS, style_designator: ANGLE, operating_pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, disk_loading_method: SPRING, valve_operation_method: AUTOMATIC. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-299-8440, 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

SS-4R3A

NSN: 4820-01-299-8440
FSC: 4820 — Valves, Nonpowered
CAGE: 3T9T9 — SWAGELOK CO (USA)

SPECIFICATIONS

material	STEEL COMP 316 BODY
connection_type	THREADED EXTERNAL TUBE ALL ENDS
style_designator	ANGLE
operating_pressure	6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_method	SPRING
valve_operation_method	AUTOMATIC
opening_pressure_setting	3300.0 POUNDS PER SQUARE INCH LBS
adjustable_pressure_range	+3000.0 TO 4000.0 POUNDS PER SQUARE INCH LBS
NSN	4820-01-299-8440

COMPONENT DIAGRAM

KEY FEATURES

•

CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS

•

STYLE DESIGNATOR: ANGLE

•

OPERATING PRESSURE: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS

•

ADJUSTABLE PRESSURE RANGE: +3000.0 TO 4000.0 POUNDS PER SQUARE INCH LBS

•

DISK LOADING METHOD: SPRING

•

MATERIAL: STEEL COMP 316 BODY

•

OPENING PRESSURE SETTING: 3300.0 POUNDS PER SQUARE INCH LBS

•

VALVE OPERATION METHOD: AUTOMATIC

TECHNICAL CHARACTERISTICS

CONNECTION TYPE	THREADED EXTERNAL TUBE ALL ENDS
STYLE DESIGNATOR	ANGLE
OPERATING PRESSURE	6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
ADJUSTABLE PRESSURE RANGE	+3000.0 TO 4000.0 POUNDS PER SQUARE INCH LBS
DISK LOADING METHOD	SPRING
MATERIAL	STEEL COMP 316 BODY
OPENING PRESSURE SETTING	3300.0 POUNDS PER SQUARE INCH LBS
VALVE OPERATION METHOD	AUTOMATIC

SUBSTITUTES & CROSS-REFERENCES 4

1551AS830-1Reference document

Same NSN cross-reference

Reference document — Secondary reference

1370J32Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

2999C03H04Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

1551AS830Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is SS-4R3A?

SS-4R3A is a VALVE,SAFETY RELIEF.

What parts can replace SS-4R3A?

There are 4 known substitutes for SS-4R3A: 1551AS830-1, 1370J32, 2999C03H04 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for SS-4R3A?

SS-4R3A is cataloged in the U.S. Government catalog under NSN 4820-01-299-8440. This indicates validated use in U.S. government and defense supply chains.

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