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PartsTable / COMPONENT / MERLON SIZE 8B
MERLON SIZE 8B ✓ 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 TUBING,NONMETALLIC is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYCARBONATE TUBE, flexibility: RIGID, exterior_color: CLEAR, inside_diameter: 0.500 INCHES NOMINAL IN, outside_diameter: 0.625 INCHES NOMINAL IN, inside_surface_condition: SMOOTH. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-00-087-1645, 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
MERLON SIZE 8B
NSN: 4710-00-087-1645
FSC: 4710
CAGE: 08230 — THERMOPLASTIC PROCESSES INC (USA)
SPECIFICATIONS
materialPLASTIC POLYCARBONATE TUBE
flexibilityRIGID
exterior_colorCLEAR
inside_diameter0.500 INCHES NOMINAL IN
outside_diameter0.625 INCHES NOMINAL IN
inside_surface_conditionSMOOTH
cross-sectional_shape_styleROUND
measuring_method_and_length36.000 INCHES NOMINAL EXCLUDING END FITTINGS IN
NSN4710-00-087-1645
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: MERLON SIZE 8B · 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
•
MEASURING METHOD AND LENGTH: 36.000 INCHES NOMINAL EXCLUDING END FITTINGS IN
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OUTSIDE DIAMETER: 0.625 INCHES NOMINAL IN
•
EXTERIOR COLOR: CLEAR
•
MATERIAL: PLASTIC POLYCARBONATE TUBE
•
FLEXIBILITY: RIGID
•
INSIDE SURFACE CONDITION: SMOOTH
•
INSIDE DIAMETER: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MEASURING METHOD AND LENGTH36.000 INCHES NOMINAL EXCLUDING END FITTINGS IN
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER0.625 INCHES NOMINAL IN
EXTERIOR COLORCLEAR
MATERIALPLASTIC POLYCARBONATE TUBE
FLEXIBILITYRIGID
INSIDE SURFACE CONDITIONSMOOTH
INSIDE DIAMETER0.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
43103Interchangeable
interchangeable cross-reference
interchangeable
18844Interchangeable
interchangeable cross-reference
interchangeable
4310Interchangeable
interchangeable cross-reference
interchangeable
GD821A1Interchangeable
interchangeable cross-reference
interchangeable
C84557-001Interchangeable
interchangeable cross-reference
interchangeable
DD090Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MERLON SIZE 8B?
MERLON SIZE 8B is a TUBING,NONMETALLIC.
What parts can replace MERLON SIZE 8B?
There are 10 known substitutes for MERLON SIZE 8B: 43103, 18844, 4310 and 7 more. Substitute compatibility should be verified for your specific system.
Is MERLON SIZE 8B still available?
MERLON SIZE 8B is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026