1771AS819-1 — VALVE,CHECK

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

1771AS819-1: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, connection_type: UNTHREADED INTERNAL HOSE ALL ENDS, offset_distance: 0.300 INCHES IN, connection_style: HOSE SOCKET (HOSE) ALL ENDS, style_designator: OFFSET, mounting_position: HORIZONTAL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-331-3554, 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

1771AS819-1

NSN: 4820-01-331-3554
FSC: 4820 — Valves, Nonpowered
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

material	COPPER ALLOY BODY
connection_type	UNTHREADED INTERNAL HOSE ALL ENDS
offset_distance	0.300 INCHES IN
connection_style	HOSE SOCKET (HOSE) ALL ENDS
style_designator	OFFSET
mounting_position	HORIZONTAL
disk_loading_method	SPRING
flow_control_device	DISK
valve_operation_method	AUTOMATIC
NSN	4820-01-331-3554

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: DISK

•

CONNECTION STYLE: HOSE SOCKET (HOSE) ALL ENDS

•

MOUNTING POSITION: HORIZONTAL

•

CONNECTION TYPE: UNTHREADED INTERNAL HOSE ALL ENDS

•

STYLE DESIGNATOR: OFFSET

•

OFFSET DISTANCE: 0.300 INCHES IN

•

DISK LOADING METHOD: SPRING

•

MATERIAL: COPPER ALLOY BODY

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	DISK
CONNECTION STYLE	HOSE SOCKET (HOSE) ALL ENDS
MOUNTING POSITION	HORIZONTAL
CONNECTION TYPE	UNTHREADED INTERNAL HOSE ALL ENDS
STYLE DESIGNATOR	OFFSET
OFFSET DISTANCE	0.300 INCHES IN
DISK LOADING METHOD	SPRING
MATERIAL	COPPER ALLOY BODY
VALVE OPERATION METHOD	AUTOMATIC

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 6

4DHY9Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

C60Z-19A563AReference document

Same NSN cross-reference

Reference document — Secondary reference

85590-42Reference document

Same NSN cross-reference

Reference document — Secondary reference

YG-34Reference document

Same NSN cross-reference

Reference document — Secondary reference

1771AS819Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

WWP8101Reference 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 1771AS819-1?

1771AS819-1 is a VALVE,CHECK.

What parts can replace 1771AS819-1?

There are 6 known substitutes for 1771AS819-1: 4DHY9, C60Z-19A563A, 85590-42 and 3 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 1771AS819-1?

1771AS819-1 is cataloged in the U.S. Government catalog under NSN 4820-01-331-3554. This indicates validated use in U.S. government and defense supply chains.

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