787AS274 — VALVE,RESTRICTOR CHECK

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

787AS274: VALVE,RESTRICTOR CHECK.

The VALVE,RESTRICTOR CHECK is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, connection_type: THREADED INTERNAL PIPE FIRST END, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND FIRST END, aperture_diameter: 0.086 INCHES NOMINAL IN, mounting_position: HORIZONTAL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-140-3782, 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

787AS274

NSN: 4820-01-140-3782
FSC: 4820 — Valves, Nonpowered
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
connection_type	THREADED INTERNAL PIPE FIRST END
style_designator	STRAIGHT THRU
thread_direction	RIGHT-HAND FIRST END
aperture_diameter	0.086 INCHES NOMINAL IN
mounting_position	HORIZONTAL
operating_pressure	3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_method	SPRING
flow_control_device	POPPET
nominal_thread_size	0.250 INCHES FIRST END IN
maximum_operating_temp	225.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_method	AUTOMATIC
NSN	4820-01-140-3782

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: POPPET

•

MOUNTING POSITION: HORIZONTAL

•

CONNECTION TYPE: THREADED INTERNAL PIPE FIRST END

•

STYLE DESIGNATOR: STRAIGHT THRU

•

OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS

•

APERTURE DIAMETER: 0.086 INCHES NOMINAL IN

•

THREAD DIRECTION: RIGHT-HAND FIRST END

•

NOMINAL THREAD SIZE: 0.250 INCHES FIRST END IN

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	POPPET
MOUNTING POSITION	HORIZONTAL
CONNECTION TYPE	THREADED INTERNAL PIPE FIRST END
STYLE DESIGNATOR	STRAIGHT THRU
OPERATING PRESSURE	3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
APERTURE DIAMETER	0.086 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND FIRST END
NOMINAL THREAD SIZE	0.250 INCHES FIRST END IN
MAXIMUM OPERATING TEMP	225.0 FAHRENHEIT SINGLE RESPONSE DEGF
DISK LOADING METHOD	SPRING

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

6631-1/4S2-2.0Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 787AS274?

787AS274 is a VALVE,RESTRICTOR CHECK.

What parts can replace 787AS274?

There is 1 known substitute for 787AS274: 6631-1/4S2-2.0. Substitute compatibility should be verified for your specific system.

What is the NSN for 787AS274?

787AS274 is cataloged in the U.S. Government catalog under NSN 4820-01-140-3782. This indicates validated use in U.S. government and defense supply chains.

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787AS274 — VALVE,RESTRICTOR CHECK

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