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PartsTable / COMPONENT / LAN-1 1-2IN 138
LAN-1 1-2IN 138 ✓ 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

PISTON,LINEAR ACTUATING CYLINDER. Key specifications include material: COPPER ALLOY, special_features: BRONZE PER ASTM B61. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-304-1921, 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
LAN-1 1-2IN 138
NSN: 4820-01-304-1921
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
special_featuresBRONZE PER ASTM B61
ring_groove_quantity1
NSN4820-01-304-1921
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: LAN-1 1-2IN 138 · 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 14
13814N PIECE 34Interchangeable
interchangeable cross-reference
interchangeable
13814NInterchangeable
interchangeable cross-reference
interchangeable
N23402Interchangeable
interchangeable cross-reference
interchangeable
13814N PIECE 5Interchangeable
interchangeable cross-reference
interchangeable
20489Interchangeable
interchangeable cross-reference
interchangeable
LAN-1 1-1/2IN AND 13814NInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LAN-1 1-2IN 138?
LAN-1 1-2IN 138 is a PISTON,LINEAR ACTUATING CYLINDER.
What parts can replace LAN-1 1-2IN 138?
There are 14 known substitutes for LAN-1 1-2IN 138: 13814N PIECE 34, 13814N, N23402 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LAN-1 1-2IN 138?
LAN-1 1-2IN 138 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-304-1921. 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