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Technical Data Sheet
PartsTable / COMPONENT / 5231K11
5231K11 ✓ 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: FLEXIBLE, temp_rating: -40.0 FAHRENHEIT AND 215.0 FAHRENHEIT SINGLE RESPONSE DEGF, exterior_color: CLEAR, inside_diameter: 0.375 INCHES NOMINAL IN, outside_diameter: 0.625 INCHES NOMINAL 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 4720-00-100-3057, 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
5231K11
NSN: 4720-00-100-3057
FSC: 4720
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialPLASTIC POLYCARBONATE TUBE
flexibilityFLEXIBLE
temp_rating-40.0 FAHRENHEIT AND 215.0 FAHRENHEIT SINGLE RESPONSE DEGF
exterior_colorCLEAR
inside_diameter0.375 INCHES NOMINAL IN
outside_diameter0.625 INCHES NOMINAL IN
operating_pressure45.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
inside_surface_conditionSMOOTH
cross-sectional_shape_styleROUND
nondefinitive_spec/std_data2 TYPE
specification/standard_data81348-LT-790 GOVERNMENT SPECIFICATION
NSN4720-00-100-3057
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 5231K11 · 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
•
EXTERIOR COLOR: CLEAR
•
FLEXIBILITY: FLEXIBLE
•
OPERATING PRESSURE: 45.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
INSIDE SURFACE CONDITION: SMOOTH
•
MATERIAL: PLASTIC POLYCARBONATE TUBE
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE
•
SPECIFICATION/STANDARD DATA: 81348-LT-790 GOVERNMENT SPECIFICATION
•
INSIDE DIAMETER: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
EXTERIOR COLORCLEAR
FLEXIBILITYFLEXIBLE
OPERATING PRESSURE45.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
INSIDE SURFACE CONDITIONSMOOTH
MATERIALPLASTIC POLYCARBONATE TUBE
NONDEFINITIVE SPEC/STD DATA2 TYPE
SPECIFICATION/STANDARD DATA81348-LT-790 GOVERNMENT SPECIFICATION
INSIDE DIAMETER0.375 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEROUND
TEMP RATING-40.0 FAHRENHEIT AND 215.0 FAHRENHEIT SINGLE RESPONSE DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
A-A-55697Interchangeable
interchangeable cross-reference
interchangeable
A-A-55697AInterchangeable
interchangeable cross-reference
interchangeable
L-T-790Interchangeable
interchangeable cross-reference
interchangeable
S22-1Interchangeable
interchangeable cross-reference
interchangeable
S50HL1-4X3-8X50Interchangeable
interchangeable cross-reference
interchangeable
AA5569702A1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5231K11?
5231K11 is a TUBING,NONMETALLIC.
What parts can replace 5231K11?
There are 9 known substitutes for 5231K11: A-A-55697, A-A-55697A, L-T-790 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5231K11?
5231K11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-100-3057. 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