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PartsTable / COMPONENT / 20R2CLASSRGRADE2
20R2CLASSRGRADE2 ✓ 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 HOSE,NONMETALLIC is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC TUBE, temp_rating: -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF, inside_diameter: 4.000 INCHES NOMINAL IN, outside_diameter: 4.420 INCHES NOMINAL IN, burst_test_pressure: 50.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS, inside_surface_condition: SMOOTH. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-429-2337, 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
20R2CLASSRGRADE2
NSN: 4720-00-429-2337
FSC: 4720
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC TUBE
temp_rating-40.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
inside_diameter4.000 INCHES NOMINAL IN
outside_diameter4.420 INCHES NOMINAL IN
burst_test_pressure50.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
inside_surface_conditionSMOOTH
media_for_which_designedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
cross-sectional_shape_styleROUND
measuring_method_and_length3.000 INCHES NOMINAL OVERALL IN
NSN4720-00-429-2337
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 20R2CLASSRGRADE2 · 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 3
43628Interchangeable
interchangeable cross-reference
interchangeable
20R2CLASSRGRADE2Interchangeable
interchangeable cross-reference
interchangeable
115739Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20R2CLASSRGRADE2?
20R2CLASSRGRADE2 is a HOSE,NONMETALLIC.
What parts can replace 20R2CLASSRGRADE2?
There are 3 known substitutes for 20R2CLASSRGRADE2: 43628, 20R2CLASSRGRADE2, 115739. Substitute compatibility should be verified for your specific system.
Is 20R2CLASSRGRADE2 still available?
20R2CLASSRGRADE2 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