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Technical Data Sheet
PartsTable / COMPONENT / L6903
L6903 ✓ Verified by PartsTable
— · PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW

The TUBE ASSEMBLY,METAL is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING SINGLE END, design_form: PREBENT, thread_class: 3B SINGLE END, wall_thickness: 0.049 INCHES NOMINAL IN, seat_angle_in_deg: 37.0 SINGLE END, mating_end_quantity: 2 SINGLE END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-00-244-0258, 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
L6903
NSN: 4710-00-244-0258
FSC: 4710
CAGE: 46717 — PETTIBONE LLC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING SINGLE END
design_formPREBENT
thread_class3B SINGLE END
wall_thickness0.049 INCHES NOMINAL IN
seat_angle_in_deg37.0 SINGLE END
mating_end_quantity2 SINGLE END
end_connection_styleSWIVEL NUT, FLARED SINGLE END
tube_outside_diameter0.500 INCHES NOMINAL IN
NSN4710-00-244-0258
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: L6903 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: STEEL CORROSION RESISTING SINGLE END
•
TUBE OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
END CONNECTION STYLE: SWIVEL NUT, FLARED SINGLE END
•
DESIGN FORM: PREBENT
•
SEAT ANGLE IN DEG: 37.0 SINGLE END
•
WALL THICKNESS: 0.049 INCHES NOMINAL IN
•
MATING END QUANTITY: 2 SINGLE END
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING SINGLE END
TUBE OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
END CONNECTION STYLESWIVEL NUT, FLARED SINGLE END
DESIGN FORMPREBENT
SEAT ANGLE IN DEG37.0 SINGLE END
WALL THICKNESS0.049 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING TUBING
MATING END QUANTITY2 SINGLE END
THREAD CLASS3B SINGLE END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
8813438Interchangeable
interchangeable cross-reference
interchangeable
35058Interchangeable
interchangeable cross-reference
interchangeable
S2553Interchangeable
interchangeable cross-reference
interchangeable
17186Interchangeable
interchangeable cross-reference
interchangeable
601420Interchangeable
interchangeable cross-reference
interchangeable
07-852569Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is L6903?
L6903 is a TUBE ASSEMBLY,METAL.
What parts can replace L6903?
There are 6 known substitutes for L6903: 8813438, 35058, S2553 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for L6903?
L6903 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-00-244-0258. 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