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1858654-10 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1858654-10: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING BODY, connection_type: THREADED INTERNAL PIPE SECOND END, connection_style: PLAIN (PIPE) FIRST END, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND FIRST END, mounting_position: HORIZONTAL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-354-5210, 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
1858654-10
NSN: 4820-01-354-5210
FSC: 4820 — Valves, Nonpowered
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
connection_typeTHREADED INTERNAL PIPE SECOND END
connection_stylePLAIN (PIPE) FIRST END
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND FIRST END
mounting_positionHORIZONTAL
disk_loading_methodSPRING
flow_control_deviceDISK
nominal_thread_size1.062 INCHES ALL ENDS IN
valve_operation_methodAUTOMATIC
thread_series_designatorNPT ALL ENDS
NSN4820-01-354-5210
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1858654-10 · 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: DISK
•
CONNECTION STYLE: PLAIN, OPTIONAL END (PIPE) SECOND END
•
MOUNTING POSITION: HORIZONTAL
•
CONNECTION TYPE: THREADED INTERNAL PIPE SECOND END
•
STYLE DESIGNATOR: STRAIGHT THRU
•
THREAD DIRECTION: RIGHT-HAND FIRST END
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) SECOND END
CONNECTION STYLEPLAIN (PIPE) FIRST END
MOUNTING POSITIONHORIZONTAL
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND FIRST END
NOMINAL THREAD SIZE1.062 INCHES ALL ENDS IN
DISK LOADING METHODSPRING
SUBSTITUTES & CROSS-REFERENCES 2
1512C-1-5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1858654Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1858654-10?
1858654-10 is a VALVE,CHECK.
What parts can replace 1858654-10?
There are 2 known substitutes for 1858654-10: 1512C-1-5, 1858654. Substitute compatibility should be verified for your specific system.
What is the NSN for 1858654-10?
1858654-10 is cataloged in the U.S. Government catalog under NSN 4820-01-354-5210. This indicates validated use in U.S. government and defense supply chains.
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