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65863BX — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

65863BX: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include connection_type: THREADED INTERNAL PIPE, nominal_thread_size: 0.125 INCHES IN, valve_operation_method: MANUAL, thread_series_designator: NPT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-050-5584, 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
65863BX
NSN: 4820-01-050-5584
FSC: 4820 — Valves, Nonpowered
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
connection_typeTHREADED INTERNAL PIPE
special_featuresZINC ALLOY; 4.500 IN. LG O/A; 2.750 IN. W; 2.125 IN. THK; 3 POSITION LEVER CONTROL, ONLY POSITIONS 1 AND 3 ARE LOCKING IN
nominal_thread_size0.125 INCHES IN
flow_pattern_quantity3
valve_operation_methodMANUAL
end_connection_quantity4
thread_series_designatorNPT
NSN4820-01-050-5584
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 65863BX · 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
•
CONNECTION TYPE: THREADED INTERNAL PIPE
•
END CONNECTION QUANTITY: 4
•
NOMINAL THREAD SIZE: 0.125 INCHES IN
•
THREAD SERIES DESIGNATOR: NPT
•
VALVE OPERATION METHOD: MANUAL
•
FLOW PATTERN QUANTITY: 3
TECHNICAL CHARACTERISTICS
CONNECTION TYPETHREADED INTERNAL PIPE
END CONNECTION QUANTITY4
NOMINAL THREAD SIZE0.125 INCHES IN
SPECIAL FEATURESZINC ALLOY; 4.500 IN. LG O/A; 2.750 IN. W; 2.125 IN. THK; 3 POSITION LEVER CONTROL, ONLY POSITIONS 1 AND 3 ARE LOCKING IN
THREAD SERIES DESIGNATORNPT
VALVE OPERATION METHODMANUAL
FLOW PATTERN QUANTITY3
SUBSTITUTES & CROSS-REFERENCES 1
285402Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 65863BX?
65863BX is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace 65863BX?
There is 1 known substitute for 65863BX: 285402. Substitute compatibility should be verified for your specific system.
What is the NSN for 65863BX?
65863BX is cataloged in the U.S. Government catalog under NSN 4820-01-050-5584. 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.