311764-001 — VALVE,CHECK

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

311764-001: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, seat_angle: 45.0 DEGREES ALL ENDS, thread_class: 2B FIRST END, connection_type: THREADED EXTERNAL TUBE SECOND END, connection_style: FLARE (TUBE) FIRST END, style_designator: STRAIGHT THRU. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-185-9853, 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

311764-001

NSN: 4820-00-185-9853
FSC: 4820 — Valves, Nonpowered
CAGE: 51267 — IMI CORNELIUS INC. (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
seat_angle	45.0 DEGREES ALL ENDS
thread_class	2B FIRST END
connection_type	THREADED EXTERNAL TUBE SECOND END
connection_style	FLARE (TUBE) FIRST END
style_designator	STRAIGHT THRU
thread_direction	RIGHT-HAND ALL ENDS
mounting_position	HORIZONTAL OR VERTICAL
disk_loading_method	SPRING
flow_control_device	BALL
nominal_thread_size	0.437 INCHES ALL ENDS IN
valve_operation_method	AUTOMATIC
NSN	4820-00-185-9853

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: BALL

•

CONNECTION STYLE: FLARED (TUBE) SECOND END

•

MOUNTING POSITION: HORIZONTAL OR VERTICAL

•

CONNECTION TYPE: THREADED EXTERNAL TUBE SECOND END

•

STYLE DESIGNATOR: STRAIGHT THRU

•

NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES ALL ENDS IN

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	BALL
CONNECTION STYLE	FLARED (TUBE) SECOND END
CONNECTION STYLE	FLARE (TUBE) FIRST END
MOUNTING POSITION	HORIZONTAL OR VERTICAL
CONNECTION TYPE	THREADED EXTERNAL TUBE SECOND END
CONNECTION TYPE	THREADED INTERNAL TUBE FIRST END
STYLE DESIGNATOR	STRAIGHT THRU
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.250 INCHES ALL ENDS IN
THREAD DIRECTION	RIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE	0.437 INCHES ALL ENDS IN

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 1

311764Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 311764-001?

311764-001 is a VALVE,CHECK.

What parts can replace 311764-001?

There is 1 known substitute for 311764-001: 311764. Substitute compatibility should be verified for your specific system.

What is the NSN for 311764-001?

311764-001 is cataloged in the U.S. Government catalog under NSN 4820-00-185-9853. This indicates validated use in U.S. government and defense supply chains.

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311764-001 — VALVE,CHECK

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