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20R4 ✓ 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,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, wall_thickness: 0.170 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, inside_diameter: 3.000 INCHES NOMINAL IN, style_designator: SINGLE BEND, end_item_identification: E/I 4130-01-446-3526, center_to_center_distance: 14.000 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 4720-00-071-2336, 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
20R4
NSN: 4720-00-071-2336
FSC: 4720
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
wall_thickness0.170 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
inside_diameter3.000 INCHES NOMINAL IN
style_designatorSINGLE BEND
end_item_identificationE/I 4130-01-446-3526
center_to_center_distance14.000 INCHES NOMINAL IN
specification/standard_data24161-ANSI Y14.5 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN4720-00-071-2336
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 20R4 · 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
•
FIRST ARM LENGTH: 1.437 INCHES NOMINAL IN
•
SECOND ARM LENGTH: 2.625 INCHES NOMINAL IN
•
WALL THICKNESS: 0.375 INCHES NOMINAL IN
•
INSIDE DIAMETER: 2.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SINGLE BEND
•
MATERIAL: RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL
•
NONDEFINITIVE SPEC/STD DATA: SC CLASS
TECHNICAL CHARACTERISTICS (FLIS)
FIRST ARM LENGTH1.437 INCHES NOMINAL IN
SECOND ARM LENGTH2.625 INCHES NOMINAL IN
WALL THICKNESS0.375 INCHES NOMINAL IN
INSIDE DIAMETER2.000 INCHES NOMINAL IN
STYLE DESIGNATORSINGLE BEND
MATERIALRUBBER NATURAL OR RUBBER SYNTHETIC OVERALL
NONDEFINITIVE SPEC/STD DATASC CLASS
MATERIALRUBBER NATURAL AND RUBBER SYNTHETIC COVER
BEND RADIUS2.500 INCHES NOMINAL IN
WORKING LENGTH5.218 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
60194Interchangeable
interchangeable cross-reference
interchangeable
20R4Interchangeable
interchangeable cross-reference
interchangeable
20R2Interchangeable
interchangeable cross-reference
interchangeable
J20Interchangeable
interchangeable cross-reference
interchangeable
20R4 CLASS D2Interchangeable
interchangeable cross-reference
interchangeable
21042Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20R4?
20R4 is a HOSE,PREFORMED.
What parts can replace 20R4?
There are 7 known substitutes for 20R4: 60194, 20R4, 20R2 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20R4?
20R4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-071-2336. 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