721963 — VALVE,SAFETY RELIEF

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

721963: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY BODY, connection_type: THREADED EXTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, special_features: POP-OFF TYPE, style_designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY., thread_direction: RIGHT-HAND ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-199-3069, 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

721963

NSN: 4820-01-199-3069
FSC: 4820 — Valves, Nonpowered
CAGE: 05869 — RAYTHEON COMPANY DIV RMD STRATEGIC (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY BODY
connection_type	THREADED EXTERNAL PIPE ALL ENDS
connection_style	PLAIN (PIPE) ALL ENDS
special_features	POP-OFF TYPE
style_designator	STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
thread_direction	RIGHT-HAND ALL ENDS
operating_pressure	200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_method	SPRING
flow_control_device	POPPET
nominal_thread_size	0.250 INCHES ALL ENDS IN
valve_operation_method	AUTOMATIC
media_for_which_designed	AIR FIRST RESPONSE
NSN	4820-01-199-3069

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: POPPET

•

CONNECTION STYLE: PLAIN (PIPE) ALL ENDS

•

CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS

•

STYLE DESIGNATOR: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.

•

OPERATING PRESSURE: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS

•

THREAD DIRECTION: RIGHT-HAND ALL ENDS

•

NOMINAL THREAD SIZE: 0.250 INCHES ALL ENDS IN

•

DISK LOADING METHOD: SPRING

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	POPPET
CONNECTION STYLE	PLAIN (PIPE) ALL ENDS
CONNECTION TYPE	THREADED EXTERNAL PIPE ALL ENDS
STYLE DESIGNATOR	STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
OPERATING PRESSURE	200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD DIRECTION	RIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE	0.250 INCHES ALL ENDS IN
DISK LOADING METHOD	SPRING
SPECIAL FEATURES	POP-OFF TYPE
MEDIA FOR WHICH DESIGNED	ACETYLENE SECOND RESPONSE

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

559A-2M-14Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 721963?

721963 is a VALVE,SAFETY RELIEF.

What parts can replace 721963?

There is 1 known substitute for 721963: 559A-2M-14. Substitute compatibility should be verified for your specific system.

What is the NSN for 721963?

721963 is cataloged in the U.S. Government catalog under NSN 4820-01-199-3069. This indicates validated use in U.S. government and defense supply chains.

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