FC-157 — VALVE,CHECK

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

FC-157: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, thread_class: 3B ALL ENDS, connection_type: THREADED INTERNAL BOSS ALL ENDS, connection_style: GASKET SEAL (BOSS) ALL ENDS, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-116-3663, 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

FC-157

NSN: 4820-01-116-3663
FSC: 4820 — Valves, Nonpowered
CAGE: 51680 — CODECAL INC (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 2024 OVERALL
thread_class	3B ALL ENDS
connection_type	THREADED INTERNAL BOSS ALL ENDS
connection_style	GASKET SEAL (BOSS) ALL ENDS
style_designator	STRAIGHT THRU
thread_direction	RIGHT-HAND ALL ENDS
mounting_position	HORIZONTAL
disk_loading_method	SPRING
flow_control_device	POPPET
nominal_thread_size	0.438 INCHES ALL ENDS IN
valve_operation_method	AUTOMATIC
thread_series_designator	UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
NSN	4820-01-116-3663

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: POPPET

•

CONNECTION STYLE: GASKET SEAL (BOSS) ALL ENDS

•

MOUNTING POSITION: HORIZONTAL

•

CONNECTION TYPE: THREADED INTERNAL BOSS ALL ENDS

•

STYLE DESIGNATOR: STRAIGHT THRU

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/6,ALLOY 2024,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND ALL ENDS

•

NOMINAL THREAD SIZE: 0.438 INCHES ALL ENDS IN

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	POPPET
CONNECTION STYLE	GASKET SEAL (BOSS) ALL ENDS
MOUNTING POSITION	HORIZONTAL
CONNECTION TYPE	THREADED INTERNAL BOSS ALL ENDS
STYLE DESIGNATOR	STRAIGHT THRU
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/6,ALLOY 2024,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE	0.438 INCHES ALL ENDS IN
DISK LOADING METHOD	SPRING
THREAD CLASS	3B 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

GV500URReference document

Same NSN cross-reference

Reference document — Drawing number reference only

GV500UR1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 FC-157?

FC-157 is a VALVE,CHECK.

What parts can replace FC-157?

There are 2 known substitutes for FC-157: GV500UR, GV500UR1. Substitute compatibility should be verified for your specific system.

What is the NSN for FC-157?

FC-157 is cataloged in the U.S. Government catalog under NSN 4820-01-116-3663. This indicates validated use in U.S. government and defense supply chains.

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