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PartsTable / COMPONENT / LA1559
LA1559 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The VALVE,FLOW CONTROL is a the manufacturer industrial component. Key specifications include phase: SINGLE, width: 2.438 INCHES NOMINAL IN, height: 4.469 INCHES NOMINAL IN, length: 4.812 INCHES NOMINAL IN, diameter: 2.500 INCHES NOMINAL IN, material: RUBBER SYNTHETIC AND COTTON OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-072-7684, 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
LA1559
NSN: 4820-00-072-7684
FSC: 4820
CAGE: 63097 — VIKING PUMP, INC (USA)
SPECIFICATIONS
phaseSINGLE
width2.438 INCHES NOMINAL IN
height4.469 INCHES NOMINAL IN
length4.812 INCHES NOMINAL IN
diameter2.500 INCHES NOMINAL IN
materialRUBBER SYNTHETIC AND COTTON OVERALL
body_width2.062 INCHES NOMINAL IN
drive_typeDIRECT
body_height2.500 INCHES NOMINAL IN
body_length1.250 INCHES NOMINAL IN
rating_methodWINDING TURNS SINGLE COMPONENT SINGLE WINDING
turn_quantity10 SINGLE COMPONENT SINGLE WINDING
NSN4820-00-072-7684
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: LA1559 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
865757R91Interchangeable
interchangeable cross-reference
interchangeable
280212Interchangeable
interchangeable cross-reference
interchangeable
BX102626Interchangeable
interchangeable cross-reference
interchangeable
40413Interchangeable
interchangeable cross-reference
interchangeable
GK4699Interchangeable
interchangeable cross-reference
interchangeable
11661Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LA1559?
LA1559 is a VALVE,FLOW CONTROL.
What parts can replace LA1559?
There are 17 known substitutes for LA1559: 865757R91, 280212, BX102626 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LA1559?
LA1559 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-072-7684. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026