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Technical Data Sheet
PartsTable / COMPONENT / 4R1U2MBN5MZB20
4R1U2MBN5MZB20 ✓ 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 ASSEMBLY,NONMETALLIC is a the manufacturer industrial component. Key specifications include seat_angle: 45.0 DEGREES FIRST END, temp_rating: -40.0 FAHRENHEIT AND 225.0 FAHRENHEIT SINGLE RESPONSE DEGF, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, inside_diameter: 0.250 INCHES NOMINAL IN, connection_style: PLAIN SECOND END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-987-3657, 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
4R1U2MBN5MZB20
NSN: 4720-00-987-3657
FSC: 4720
CAGE: 04NP0 — CONTITECH USA, INC DBA VEYANCE TECHNOLOGIES (USA)
SPECIFICATIONS
seat_angle45.0 DEGREES FIRST END
temp_rating-40.0 FAHRENHEIT AND 225.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_class3A FIRST END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
inside_diameter0.250 INCHES NOMINAL IN
connection_stylePLAIN SECOND END
outside_diameter0.422 INCHES NOMINAL IN
thread_directionRIGHT-HAND FIRST END
operating_pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
burst_test_pressure1600.0 POUNDS PER SQUARE INCH LBS
nominal_thread_size0.500 INCHES FIRST END IN
end_connection_designSTRAIGHT SECOND END
NSN4720-00-987-3657
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 4R1U2MBN5MZB20 · 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
•
THREAD CLASS: 3A FIRST END A
•
END CONNECTION DESIGN: STRAIGHT FIRST END
•
NOMINAL THREAD SIZE: 0.500 INCHES FIRST END IN
•
CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND END
•
THREAD SERIES DESIGNATOR: UNF FIRST END
•
THREAD DIRECTION: RIGHT-HAND SECOND END
•
OUTSIDE DIAMETER: 0.422 INCHES NOMINAL IN
•
CONNECTION STYLE: FLARED FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3A FIRST END A
END CONNECTION DESIGNSTRAIGHT FIRST END
NOMINAL THREAD SIZE0.500 INCHES FIRST END IN
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
THREAD SERIES DESIGNATORUNF FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND END
OUTSIDE DIAMETER0.422 INCHES NOMINAL IN
CONNECTION STYLEFLARED FIRST END
TEMP RATING-40.0 FAHRENHEIT AND 225.0 FAHRENHEIT SINGLE RESPONSE DEGF
NOMINAL THREAD SIZE0.125 INCHES SECOND END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
50190Interchangeable
interchangeable cross-reference
interchangeable
750-12Interchangeable
interchangeable cross-reference
interchangeable
15176Interchangeable
interchangeable cross-reference
interchangeable
116256-1Interchangeable
interchangeable cross-reference
interchangeable
5010090Interchangeable
interchangeable cross-reference
interchangeable
P1080-T-O-N70ITEM3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4R1U2MBN5MZB20?
4R1U2MBN5MZB20 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 4R1U2MBN5MZB20?
There are 10 known substitutes for 4R1U2MBN5MZB20: 50190, 750-12, 15176 and 7 more. Substitute compatibility should be verified for your specific system.
Is 4R1U2MBN5MZB20 still available?
4R1U2MBN5MZB20 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