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20CN — CIRCUIT CARD ASSEMBLY

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

20CN: CIRCUIT CARD ASSEMBLY.

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 U.S.

Government catalog 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
NIINs: 006137315, 014172382
FSC: 4720 — Hose and Flexible Tubing
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
SUBSTITUTES & CROSS-REFERENCES 8
4657-0644Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
301-20Reference document
Same NSN cross-reference
Reference document — Secondary reference
129075R4Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
79504Reference document
Same NSN cross-reference
Reference document — Secondary reference
100R2TYAT-20Reference document
Same NSN cross-reference
Reference document — Secondary reference
20C2ATReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20CN?
20CN is a CIRCUIT CARD ASSEMBLY.
What parts can replace 20CN?
There are 8 known substitutes for 20CN: 4657-0644, 301-20, 129075R4 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20CN?
20CN is cataloged in the U.S. Government catalog under NSN 4720-00-613-7315. This indicates validated use in U.S. government and defense supply chains.
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