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LV4N4BSS — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

LV4N4BSS: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include body_material: ALUMINUM OR STEEL CORROSION RESISTING, connection_type: THREADED INTERNAL PIPE, special_features: OPERATING MEDIA IS COMPRESSED AIR, valve_operation_method: MANUAL, thread_series_designator: NPT, part_name_assigned_by_controlling_agency: LOCKOUT VALVE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-643-9865, 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
LV4N4BSS
NSN: 4820-01-643-9865
FSC: 4820 — Valves, Nonpowered
CAGE: 61424 — PARKER-HANNIFIN CORP DIV PARFLEX DIVISION (USA)
SPECIFICATIONS
body_materialALUMINUM OR STEEL CORROSION RESISTING
connection_typeTHREADED INTERNAL PIPE
special_featuresOPERATING MEDIA IS COMPRESSED AIR
valve_operation_methodMANUAL
thread_series_designatorNPT
part_name_assigned_by_controlling_agencyLOCKOUT VALVE
NSN4820-01-643-9865
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: LV4N4BSS · 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
•
BODY MATERIAL: ALUMINUM OR STEEL CORROSION RESISTING
•
THREAD SERIES DESIGNATOR: NPT
•
VALVE OPERATION METHOD: MANUAL
TECHNICAL CHARACTERISTICS
CONNECTION TYPETHREADED INTERNAL PIPE
BODY MATERIALALUMINUM OR STEEL CORROSION RESISTING
SPECIAL FEATURESOPERATING MEDIA IS COMPRESSED AIR
PART NAME ASSIGNED BY CONTROLLING AGENCYLOCKOUT VALVE
THREAD SERIES DESIGNATORNPT
VALVE OPERATION METHODMANUAL
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 1
P001744 REV B IT 3Same 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 LV4N4BSS?
LV4N4BSS is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace LV4N4BSS?
There is 1 known substitute for LV4N4BSS: P001744 REV B IT 3. Substitute compatibility should be verified for your specific system.
What is the NSN for LV4N4BSS?
LV4N4BSS is cataloged in the U.S. Government catalog under NSN 4820-01-643-9865. 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.