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Technical Data Sheet
PartsTable / COMPONENT / 20CN
20CN ✓ 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 CIRCUIT CARD ASSEMBLY is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR TUBE, temp_rating: -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF, inside_diameter: 1.250 INCHES NOMINAL IN, outside_diameter: 1.781 INCHES NOMINAL IN, operating_pressure: 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, burst_test_pressure: 12000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-613-7315, 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
20CN
NSN: 4720-00-613-7315
FSC: 4720
CAGE: 8Z680 — HOSE COUPLINGS MFG INC (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR TUBE
temp_rating-40.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
inside_diameter1.250 INCHES NOMINAL IN
outside_diameter1.781 INCHES NOMINAL IN
operating_pressure4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
burst_test_pressure12000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
end_item_identificationSTRATEGIC SEALIFT CONVERSION SHIPS CLASS, POWER PACK, HY
inside_surface_conditionSMOOTH
hydrostatic_test_pressure8000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
cross-sectional_shape_styleROUND
specification/standard_data81343-SAE J517 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
minimum_inside_bending_radius18.000 INCHES IN
NSN4720-00-613-7315
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 20CN · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
672Interchangeable
interchangeable cross-reference
interchangeable
106701Interchangeable
interchangeable cross-reference
interchangeable
FLEXTRA2INX36INInterchangeable
interchangeable cross-reference
interchangeable
624VLH00155Interchangeable
interchangeable cross-reference
interchangeable
32SWInterchangeable
interchangeable cross-reference
interchangeable
20SWInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20CN?
20CN is a CIRCUIT CARD ASSEMBLY.
What parts can replace 20CN?
There are 32 known substitutes for 20CN: 672, 106701, FLEXTRA2INX36IN and 29 more. Substitute compatibility should be verified for your specific system.
Is 20CN still available?
20CN 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