559T-1M-4 — VALVE,SAFETY RELIEF

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

559T-1M-4: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 SEAT, connection_style: PLAIN (PIPE) FIRST END, special_features: POP-OFF TYPE, style_designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY., thread_direction: RIGHT-HAND FIRST END, features_provided: VALVE STEM LOCK SHIELD. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-072-8510, 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

559T-1M-4

NSN: 4820-00-072-8510
FSC: 4820 — Valves, Nonpowered
CAGE: 91816 — CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC (USA)

SPECIFICATIONS

material	STEEL COMP 316 SEAT
connection_style	PLAIN (PIPE) FIRST END
special_features	POP-OFF TYPE
style_designator	STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
thread_direction	RIGHT-HAND FIRST END
features_provided	VALVE STEM LOCK SHIELD
surface_treatment	PASSIVATE LOCATION NOT OTHERWISE SPECIFIED
operating_pressure	200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_method	SPRING
flow_control_device	POPPET
nominal_thread_size	0.125 INCHES FIRST END IN
maximum_operating_temp	250.0 FAHRENHEIT SINGLE RESPONSE DEGF
NSN	4820-00-072-8510

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: POPPET

•

CONNECTION STYLE: PLAIN (PIPE) FIRST END

•

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

•

ADJUSTABLE PRESSURE RANGE: +2.5 TO 5.9 POUNDS PER SQUARE INCH LBS

•

FEATURES PROVIDED: VALVE STEM LOCK SHIELD

•

THREAD DIRECTION: RIGHT-HAND FIRST END

•

NOMINAL THREAD SIZE: 0.125 INCHES FIRST END IN

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	POPPET
CONNECTION STYLE	PLAIN (PIPE) FIRST END
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
ADJUSTABLE PRESSURE RANGE	+2.5 TO 5.9 POUNDS PER SQUARE INCH LBS
FEATURES PROVIDED	VALVE STEM LOCK SHIELD
THREAD DIRECTION	RIGHT-HAND FIRST END
NOMINAL THREAD SIZE	0.125 INCHES FIRST END IN
MAXIMUM OPERATING TEMP	250.0 FAHRENHEIT SINGLE RESPONSE DEGF
DISK LOADING METHOD	SPRING

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 4

773372-1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

2904768-1Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

4820000728510Reference document

Same NSN cross-reference

Reference document — Informative reference only

10516717Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 559T-1M-4?

559T-1M-4 is a VALVE,SAFETY RELIEF.

What parts can replace 559T-1M-4?

There are 4 known substitutes for 559T-1M-4: 773372-1, 2904768-1, 4820000728510 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 559T-1M-4?

559T-1M-4 is cataloged in the U.S. Government catalog under NSN 4820-00-072-8510. This indicates validated use in U.S. government and defense supply chains.

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