4578-1-000 — VALVE,CHECK

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

4578-1-000: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OR STEEL COMP 316 BODY, seat_angle: 37.0 DEGREES SECOND END, thread_class: 3A SECOND END A, connection_type: THREADED EXTERNAL TUBE SECOND END, connection_style: PLAIN (PIPE) FIRST END, style_designator: STRAIGHT THRU. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-311-9459, 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

4578-1-000

NSN: 4820-01-311-9459
FSC: 4820 — Valves, Nonpowered
CAGE: 14923 — ACC PARTNERS INC (USA)

SPECIFICATIONS

material	STEEL COMP 304 OR STEEL COMP 316 BODY
seat_angle	37.0 DEGREES SECOND END
thread_class	3A SECOND END A
connection_type	THREADED EXTERNAL TUBE SECOND END
connection_style	PLAIN (PIPE) FIRST END
style_designator	STRAIGHT THRU
thread_direction	RIGHT-HAND SECOND END
mounting_position	HORIZONTAL OR VERTICAL
operating_pressure	250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_device	DISK
nominal_thread_size	0.250 INCHES FIRST END IN
maximum_operating_temp	150.0 FAHRENHEIT SINGLE RESPONSE DEGF
NSN	4820-01-311-9459

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: DISK

•

CONNECTION STYLE: FLARED (TUBE) SECOND END

•

MOUNTING POSITION: HORIZONTAL OR VERTICAL

•

CONNECTION TYPE: THREADED EXTERNAL TUBE SECOND END

•

STYLE DESIGNATOR: STRAIGHT THRU

•

OPERATING PRESSURE: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	DISK
CONNECTION STYLE	FLARED (TUBE) SECOND END
CONNECTION STYLE	PLAIN (PIPE) FIRST END
MOUNTING POSITION	HORIZONTAL OR VERTICAL
CONNECTION TYPE	THREADED EXTERNAL TUBE SECOND END
CONNECTION TYPE	THREADED EXTERNAL PIPE FIRST END
STYLE DESIGNATOR	STRAIGHT THRU
OPERATING PRESSURE	250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD DIRECTION	RIGHT-HAND SECOND END
THREAD DIRECTION	RIGHT-HAND FIRST END

SUBSTITUTES & CROSS-REFERENCES 3

K966020 ITEM 4Reference document

Same NSN cross-reference

Reference document — Secondary reference

6310033HSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

6310033Reference 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 4578-1-000?

4578-1-000 is a VALVE,CHECK.

What parts can replace 4578-1-000?

There are 3 known substitutes for 4578-1-000: K966020 ITEM 4, 6310033H, 6310033. Substitute compatibility should be verified for your specific system.

What is the NSN for 4578-1-000?

4578-1-000 is cataloged in the U.S. Government catalog under NSN 4820-01-311-9459. This indicates validated use in U.S. government and defense supply chains.

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