D559A4D42PSI — VALVE,SAFETY RELIEF

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

D559A4D42PSI: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 SEAT, thread_class: 3A FIRST END A, connection_style: PLAIN (TUBE) FIRST END, style_designator: STRAIGHT THRU W/BAFFLE, thread_direction: RIGHT-HAND FIRST END, operating_pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-009-5209, 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

D559A4D42PSI

NSN: 4820-00-009-5209
FSC: 4820 — Valves, Nonpowered
CAGE: 91816 — CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 2024 SEAT
thread_class	3A FIRST END A
connection_style	PLAIN (TUBE) FIRST END
style_designator	STRAIGHT THRU W/BAFFLE
thread_direction	RIGHT-HAND FIRST END
operating_pressure	200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_method	SPRING
flow_control_device	POPPET
nominal_thread_size	0.437 INCHES FIRST END IN
maximum_operating_temp	280.0 FAHRENHEIT SINGLE RESPONSE DEGF
minimum_operating_temp	-40.0 FAHRENHEIT DEGF
valve_operation_method	AUTOMATIC
NSN	4820-00-009-5209

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: POPPET

•

FURNISHED ITEMS AND QUANTITY: 1 DEFLECTOR CAP

•

CONNECTION STYLE: PLAIN (TUBE) FIRST END

•

MINIMUM OPERATING TEMP: -40.0 FAHRENHEIT DEGF

•

STYLE DESIGNATOR: STRAIGHT THRU W/BAFFLE

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/6,ALLOY2024,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	POPPET
FURNISHED ITEMS AND QUANTITY	1 DEFLECTOR CAP
CONNECTION STYLE	PLAIN (TUBE) FIRST END
MINIMUM OPERATING TEMP	-40.0 FAHRENHEIT DEGF
STYLE DESIGNATOR	STRAIGHT THRU W/BAFFLE
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/6,ALLOY2024,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/6,ALLOY2024,T4 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/6,ALLOY2024,T4 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
OPERATING PRESSURE	200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD DIRECTION	RIGHT-HAND FIRST END

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

D559A4D42PS1Reference document

Same NSN cross-reference

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

247ASC1527-002Same 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 D559A4D42PSI?

D559A4D42PSI is a VALVE,SAFETY RELIEF.

What parts can replace D559A4D42PSI?

There are 2 known substitutes for D559A4D42PSI: D559A4D42PS1, 247ASC1527-002. Substitute compatibility should be verified for your specific system.

What is the NSN for D559A4D42PSI?

D559A4D42PSI is cataloged in the U.S. Government catalog under NSN 4820-00-009-5209. This indicates validated use in U.S. government and defense supply chains.

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