ST7M477-1 — VALVE,CHECK

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

ST7M477-1: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, seat_angle: 37.0 DEGREES SECOND 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 4820-01-129-5143, 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

ST7M477-1

NSN: 4820-01-129-5143
FSC: 4820 — Valves, Nonpowered
CAGE: 0PXV4 — THE BOEING COMPANY DIV SERVICES (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 2024 OVERALL
seat_angle	37.0 DEGREES SECOND 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 SECOND END
mounting_position	HORIZONTAL OR VERTICAL
operating_pressure	250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_method	SPRING
flow_control_device	POPPET
nominal_thread_size	0.875 INCHES FIRST END IN
NSN	4820-01-129-5143

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: POPPET

•

CONNECTION STYLE: FLARED (TUBE) SECOND END

•

MOUNTING POSITION: HORIZONTAL OR VERTICAL

•

CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END

•

STYLE DESIGNATOR: STRAIGHT THRU

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	POPPET
CONNECTION STYLE	FLARED (TUBE) SECOND END
CONNECTION STYLE	FLARED (TUBE) FIRST END
MOUNTING POSITION	HORIZONTAL OR VERTICAL
CONNECTION TYPE	THREADED EXTERNAL TUBE FIRST END
CONNECTION TYPE	THREADED EXTERNAL TUBE SECOND END
STYLE DESIGNATOR	STRAIGHT THRU
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OPERATING PRESSURE	250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD DIRECTION	RIGHT-HAND SECOND 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 3

ST7M477Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

ZCV88Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

10124598Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is ST7M477-1?

ST7M477-1 is a VALVE,CHECK.

What parts can replace ST7M477-1?

There are 3 known substitutes for ST7M477-1: ST7M477, ZCV88, 10124598. Substitute compatibility should be verified for your specific system.

What is the NSN for ST7M477-1?

ST7M477-1 is cataloged in the U.S. Government catalog under NSN 4820-01-129-5143. This indicates validated use in U.S. government and defense supply chains.

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