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PartsTable / COMPONENT / DDONSXL1
DDONSXL1 ✓ 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

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include body_material: STEEL, end_item_identification: VALVES,NONPOWERED, criticality_code_justification: ZZZY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-377-1800, 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
DDONSXL1
NSN: 4820-01-377-1800
FSC: 4820
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
body_materialSTEEL
end_connection_quantity2
end_item_identificationVALVES,NONPOWERED
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsQUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
NSN4820-01-377-1800
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: DDONSXL1 · 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
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
BODY MATERIAL: STEEL
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
•
END CONNECTION QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
CRITICALITY CODE JUSTIFICATIONZZZY
BODY MATERIALSTEEL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
END CONNECTION QUANTITY2
END ITEM IDENTIFICATIONVALVES,NONPOWERED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
ODONSX 3B6A5SLXInterchangeable
interchangeable cross-reference
interchangeable
DDONSX 3B6A5SLXInterchangeable
interchangeable cross-reference
interchangeable
22944NInterchangeable
interchangeable cross-reference
interchangeable
21829NInterchangeable
interchangeable cross-reference
interchangeable
0367952000LInterchangeable
interchangeable cross-reference
interchangeable
15536Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DDONSXL1?
DDONSXL1 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace DDONSXL1?
There are 10 known substitutes for DDONSXL1: ODONSX 3B6A5SLX, DDONSX 3B6A5SLX, 22944N and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DDONSXL1?
DDONSXL1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-377-1800. 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