1111-578574 — VALVE,CHECK

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

1111-578574: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2017 BODY, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: FLARED (TUBE) FIRST END, style_designator: STRAIGHT THRU. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-627-4777, 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

1111-578574

NSN: 4820-00-627-4777
FSC: 4820 — Valves, Nonpowered
CAGE: 92003 — PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 2017 BODY
seat_angle	37.0 DEGREES FIRST END
thread_class	3A FIRST END A
connection_type	THREADED EXTERNAL TUBE FIRST END
connection_style	FLARED (TUBE) FIRST END
style_designator	STRAIGHT THRU
thread_direction	RIGHT-HAND FIRST END
mounting_position	HORIZONTAL OR VERTICAL
surface_treatment	ANODIZE
operating_pressure	60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_method	SPRING
flow_control_device	DISK
NSN	4820-00-627-4777

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: DISK

•

CONNECTION STYLE: FLARED (TUBE) FIRST END

•

MOUNTING POSITION: HORIZONTAL OR VERTICAL

•

CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END

•

STYLE DESIGNATOR: STRAIGHT THRU

•

NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.000 INCHES FIRST END IN

•

OPERATING PRESSURE: 60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS

•

THREAD DIRECTION: RIGHT-HAND FIRST END

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	DISK
CONNECTION STYLE	FLARED (TUBE) FIRST END
MOUNTING POSITION	HORIZONTAL OR VERTICAL
CONNECTION TYPE	THREADED EXTERNAL TUBE FIRST END
STYLE DESIGNATOR	STRAIGHT THRU
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	1.000 INCHES FIRST END IN
OPERATING PRESSURE	60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD DIRECTION	RIGHT-HAND FIRST END
NOMINAL THREAD SIZE	1.312 INCHES FIRST END IN
SEAT ANGLE	37.0 DEGREES FIRST END

SUBSTITUTES & CROSS-REFERENCES 3

2-20544Reference document

Same NSN cross-reference

Reference document — Secondary reference

MS28884A-16Reference document

Same NSN cross-reference

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

695833-1Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

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 1111-578574?

1111-578574 is a VALVE,CHECK.

What parts can replace 1111-578574?

There are 3 known substitutes for 1111-578574: 2-20544, MS28884A-16, 695833-1. Substitute compatibility should be verified for your specific system.

What is the NSN for 1111-578574?

1111-578574 is cataloged in the U.S. Government catalog under NSN 4820-00-627-4777. This indicates validated use in U.S. government and defense supply chains.

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