PartsTable
Technical Data Sheet
519-4749 ✓ 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 ADAPTER,STRAIGHT,PIPE TO HOSE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, seat_angle: 45.0 DEGREES FIRST END, thread_class: 2A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: INVERTED FLARE (TUBE) FIRST END, nominal_thread_size: 0.625 INCHES FIRST END IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-267-1328, 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
519-4749
NSN: 4820-01-267-1328
FSC: 4820
CAGE: 65459 — LANDOLL COMPANY, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
seat_angle45.0 DEGREES FIRST END
thread_class2A FIRST END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_styleINVERTED FLARE (TUBE) FIRST END
nominal_thread_size0.625 INCHES FIRST END IN
nominal_overall_length2.350 INCHES IN
thread_series_designatorUNF FIRST END
nominal_inside_diameter_hose_accommodated0.310 INCHES SECOND END IN
nominal_outside_diameter_hose_accommodated0.610 INCHES SECOND END IN
nominal_outside_diameter_tube_accommodated0.375 INCHES FIRST END IN
NSN4820-01-267-1328
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 519-4749 · 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 21
A400Interchangeable
interchangeable cross-reference
interchangeable
EY313-1Interchangeable
interchangeable cross-reference
interchangeable
498Interchangeable
interchangeable cross-reference
interchangeable
563-3101-982849PC1HInterchangeable
interchangeable cross-reference
interchangeable
563-4501-982924PC3AInterchangeable
interchangeable cross-reference
interchangeable
BP4802Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 519-4749?
519-4749 is a ADAPTER,STRAIGHT,PIPE TO HOSE.
What parts can replace 519-4749?
There are 21 known substitutes for 519-4749: A400, EY313-1, 498 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 519-4749?
519-4749 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-267-1328. This indicates validated use in U.S. government and defense supply chains.
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