1828AS179-1 — VALVE,STOP-CHECK

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

1828AS179-1: VALVE,STOP-CHECK.

The VALVE,STOP-CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, seat_angle: 37.0 DEGREES ALL ENDS, bonnet_type: INSIDE SCREW, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE SECOND END, connection_style: FLARED (TUBE) SECOND END. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-397-5780, 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

1828AS179-1

NSN: 4820-01-397-5780
FSC: 4820 — Valves, Nonpowered
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

material	COPPER ALLOY BODY
seat_angle	37.0 DEGREES ALL ENDS
bonnet_type	INSIDE SCREW
thread_class	3A ALL ENDS A
connection_type	THREADED EXTERNAL TUBE SECOND END
connection_style	FLARED (TUBE) SECOND END
special_features	CLEAN AND PACKAGE FOR OXYGEN SERVICE PER ASTM G93
style_designator	STRAIGHT THRU
thread_direction	RIGHT-HAND ALL ENDS
mounting_position	VERTICAL
operating_pressure	2640.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size	0.500 INCHES SECOND END IN
NSN	4820-01-397-5780

COMPONENT DIAGRAM

KEY FEATURES

•

CONNECTION STYLE: FLARED (TUBE) SECOND END

•

MOUNTING POSITION: VERTICAL

•

CRITICALITY CODE JUSTIFICATION: FEAT

•

CONNECTION TYPE: THREADED EXTERNAL BOSS FIRST END

•

STYLE DESIGNATOR: STRAIGHT THRU

•

OPERATING PRESSURE: 2640.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS

TECHNICAL CHARACTERISTICS

CONNECTION STYLE	FLARED (TUBE) SECOND END
CONNECTION STYLE	EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
MOUNTING POSITION	VERTICAL
CRITICALITY CODE JUSTIFICATION	FEAT
CONNECTION TYPE	THREADED EXTERNAL BOSS FIRST END
CONNECTION TYPE	THREADED EXTERNAL TUBE SECOND END
STYLE DESIGNATOR	STRAIGHT THRU
OPERATING PRESSURE	2640.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
BONNET TYPE	INSIDE SCREW
THREAD DIRECTION	RIGHT-HAND ALL ENDS

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 2

1828AS179Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

VGB00059Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 1828AS179-1?

1828AS179-1 is a VALVE,STOP-CHECK.

What parts can replace 1828AS179-1?

There are 2 known substitutes for 1828AS179-1: 1828AS179, VGB00059. Substitute compatibility should be verified for your specific system.

What is the NSN for 1828AS179-1?

1828AS179-1 is cataloged in the U.S. Government catalog under NSN 4820-01-397-5780. This indicates validated use in U.S. government and defense supply chains.

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