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Technical Data Sheet
PartsTable / COMPONENT / 803-1385637-8-18
803-1385637-8-18 ✓ 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 DISK ASSEMBLY,VALVE is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: C/O ONE NI-CU ALLOY DISK,ONE HINGE,ONE STUD WASHER,ONE NUT,ONE COTTER PIN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-047-1941, 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
803-1385637-8-18
NSN: 4820-01-047-1941
FSC: 4820
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
general_characteristics_item_descriptionC/O ONE NI-CU ALLOY DISK,ONE HINGE,ONE STUD WASHER,ONE NUT,ONE COTTER PIN
NSN4820-01-047-1941
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 803-1385637-8-18 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: C/O ONE NI-CU ALLOY DISK,ONE HINGE,ONE STUD WASHER,ONE NUT,ONE COTTER PIN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONC/O ONE NI-CU ALLOY DISK,ONE HINGE,ONE STUD WASHER,ONE NUT,ONE COTTER PIN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
5000-4824-1385637Interchangeable
interchangeable cross-reference
interchangeable
1385637-5-250FInterchangeable
interchangeable cross-reference
interchangeable
5021B 5IN 10115Interchangeable
interchangeable cross-reference
interchangeable
810-1385637-6PC3-4-7-10T0-12-15Interchangeable
interchangeable cross-reference
interchangeable
810-1385637-6PCInterchangeable
interchangeable cross-reference
interchangeable
810-1385637Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 803-1385637-8-18?
803-1385637-8-18 is a DISK ASSEMBLY,VALVE.
What parts can replace 803-1385637-8-18?
There are 14 known substitutes for 803-1385637-8-18: 5000-4824-1385637, 1385637-5-250F, 5021B 5IN 10115 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 803-1385637-8-18?
803-1385637-8-18 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-047-1941. 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