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421-0601-4-4-4-24 — Technical Data Sheet

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— · 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: 37.0 DEGREES FIRST END, temp_rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF, thread_class: 3B FIRST END, connection_type: THREADED EXTERNAL PIPE SECOND END, inside_diameter: 0.250 INCHES NOMINAL IN, connection_style: SWIVEL NUT FLARE FIRST END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4720-01-332-1334, 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
421-0601-4-4-4-24
NSN: 4720-01-332-1334
FSC: 4720
CAGE: 98441 — PARKER HANNIFIN CORP DBA PNEUTRONICS DIV STRATOFLEX PRODUCTS DIVISION (USA)
SPECIFICATIONS
seat_angle37.0 DEGREES FIRST END
temp_rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_class3B FIRST END
connection_typeTHREADED EXTERNAL PIPE SECOND END
inside_diameter0.250 INCHES NOMINAL IN
connection_styleSWIVEL NUT FLARE FIRST END
outside_diameter0.530 INCHES NOMINAL IN
thread_directionRIGHT-HAND FIRST END
operating_pressure2750.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
burst_test_pressure1100.0 POUNDS PER SQUARE INCH LBS
nominal_thread_size0.250 INCHES SECOND END IN
end_connection_designSTRAIGHT SECOND END
NSN4720-01-332-1334
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 421-0601-4-4-4-24 · 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
•
NOMINAL THREAD SIZE: 0.250 INCHES SECOND END IN
•
THREAD CLASS: 3B FIRST END
•
CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND END
•
END CONNECTION DESIGN: STRAIGHT SECOND END
•
OUTSIDE DIAMETER: 0.530 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND SECOND END
•
THREAD SERIES DESIGNATOR: UNF FIRST END
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
TECHNICAL CHARACTERISTICS
NOMINAL THREAD SIZE0.250 INCHES SECOND END IN
THREAD CLASS3B FIRST END
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
END CONNECTION DESIGNSTRAIGHT SECOND END
OUTSIDE DIAMETER0.530 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD SERIES DESIGNATORUNF FIRST END
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
OUTER COVERING ENVIRONMENTAL PROTECTIONWEATHERPROOF AND ABRASION RESISTANT
NOMINAL THREAD SIZE0.438 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
8495069InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
112-26InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
420-04371InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
54728InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
14283InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
B94.9InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 421-0601-4-4-4-24?
421-0601-4-4-4-24 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 421-0601-4-4-4-24?
There are 15 known substitutes for 421-0601-4-4-4-24: 8495069, 112-26, 420-04371 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 421-0601-4-4-4-24?
421-0601-4-4-4-24 is cataloged in the Federal Logistics Information System under NSN 4720-01-332-1334. This indicates validated use in U.S. government and defense supply chains.
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Last verified: September 2026