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Technical Data Sheet
PartsTable / COMPONENT / 50559-25
50559-25 ✓ 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 connection_type: THREADED EXTERNAL PIPE FIRST END, inside_diameter: 0.188 INCHES NOMINAL IN, connection_style: PLAIN FIRST END, outside_diameter: 0.275 INCHES NOMINAL IN, thread_direction: RIGHT-HAND FIRST END, operating_pressure: 8000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-337-3953, 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
50559-25
NSN: 4720-01-337-3953
FSC: 4720
CAGE: 56570 — JETSTREAM OF HOUSTON, LLP DBA JETSTREAM OF HOUSTON LLP (USA)
SPECIFICATIONS
connection_typeTHREADED EXTERNAL PIPE FIRST END
inside_diameter0.188 INCHES NOMINAL IN
connection_stylePLAIN FIRST END
outside_diameter0.275 INCHES NOMINAL IN
thread_directionRIGHT-HAND FIRST END
operating_pressure8000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
burst_test_pressure20000.0 POUNDS PER SQUARE INCH LBS
nominal_thread_size0.188 INCHES FIRST END IN
end_connection_designSTRAIGHT FIRST END
inside_surface_conditionSMOOTH
thread_series_designatorNPT FIRST END
cross-sectional_shape_styleROUND
NSN4720-01-337-3953
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 50559-25 · 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
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
CONNECTION STYLE: PLAIN FIRST END
•
CONNECTION TYPE: THREADED EXTERNAL PIPE FIRST END
•
OUTER COVERING ENVIRONMENTAL PROTECTION: ABRASION RESISTANT
•
MEASURING METHOD AND LENGTH: 25.0 FEET NOMINAL OVERALL FT
•
THREAD SERIES DESIGNATOR: NPT FIRST END
•
INSIDE SURFACE CONDITION: SMOOTH
•
OPERATING PRESSURE: 8000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEROUND
CONNECTION STYLEPLAIN FIRST END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
OUTER COVERING ENVIRONMENTAL PROTECTIONABRASION RESISTANT
MEASURING METHOD AND LENGTH25.0 FEET NOMINAL OVERALL FT
THREAD SERIES DESIGNATORNPT FIRST END
INSIDE SURFACE CONDITIONSMOOTH
OPERATING PRESSURE8000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
NOMINAL THREAD SIZE0.188 INCHES FIRST END IN
OUTSIDE DIAMETER0.275 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
1610L20-004Interchangeable
interchangeable cross-reference
interchangeable
50559Interchangeable
interchangeable cross-reference
interchangeable
SCB70002Interchangeable
interchangeable cross-reference
interchangeable
88-18800Interchangeable
interchangeable cross-reference
interchangeable
AA51146B-1A16AInterchangeable
interchangeable cross-reference
interchangeable
21218Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 50559-25?
50559-25 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 50559-25?
There are 11 known substitutes for 50559-25: 1610L20-004, 50559, SCB70002 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 50559-25?
50559-25 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-337-3953. 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