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8428155 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

8428155: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT, connection_type: THREADED EXTERNAL TUBE ALL ENDS, thread_direction: RIGHT-HAND ALL ENDS, mounting_position: HORIZONTAL OR VERTICAL, disk_loading_method: SPRING, flow_control_device: BALL. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-787-8653, 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
8428155
NSN: 4820-00-787-8653
FSC: 4820 — Valves, Nonpowered
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE SEAT
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
thread_directionRIGHT-HAND ALL ENDS
mounting_positionHORIZONTAL OR VERTICAL
disk_loading_methodSPRING
flow_control_deviceBALL
valve_operation_methodAUTOMATIC
NSN4820-00-787-8653
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8428155 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FLOW CONTROL DEVICE: BALL
•
MOUNTING POSITION: HORIZONTAL OR VERTICAL
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
DISK LOADING METHOD: SPRING
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE SEAT
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEBALL
MOUNTING POSITIONHORIZONTAL OR VERTICAL
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
DISK LOADING METHODSPRING
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEAT
VALVE OPERATION METHODAUTOMATIC
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8428155?
8428155 is a VALVE,CHECK.
What is the NSN for 8428155?
8428155 is cataloged in the U.S. Government catalog under NSN 4820-00-787-8653. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.