PartsTable
Technical Data Sheet
M26521-4-300 ✓ 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 temp_rating: -40.0 FAHRENHEIT SINGLE RESPONSE DEGF, connection_type: EXTERNAL QUICK DISCONNECT SECOND END, inside_diameter: 4.000 INCHES NOMINAL IN, outside_diameter: 4.625 INCHES NOMINAL IN, special_features: FURNISHED WITH A ONE TIME PROTECTIVE SHIPPING CAP FOR EACH END, operating_pressure: 225.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-974-1690, 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
M26521-4-300
NSN: 4720-00-974-1690
FSC: 4720
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
temp_rating-40.0 FAHRENHEIT SINGLE RESPONSE DEGF
connection_typeEXTERNAL QUICK DISCONNECT SECOND END
inside_diameter4.000 INCHES NOMINAL IN
outside_diameter4.625 INCHES NOMINAL IN
special_featuresFURNISHED WITH A ONE TIME PROTECTIVE SHIPPING CAP FOR EACH END
operating_pressure225.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
burst_test_pressure900.0 POUNDS PER SQUARE INCH LBS
end_connection_designSTRAIGHT SECOND END
inside_surface_conditionSMOOTH
media_for_which_designedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
hydrostatic_test_pressure340.0 POUNDS PER SQUARE INCH LBS
cross-sectional_shape_styleROUND
NSN4720-00-974-1690
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — PN: M26521-4-300 · 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
END CONNECTION DESIGN: STRAIGHT SECOND END
LAYER COMPOSITION AND LOCATION: 1ST LAYER BRAIDED SYNTHETIC CORD AND 2ND LAYER BRAIDED SYNTHETIC CORD AND OUTER LAYER MOLDED RUBBER, CHLOROPRENE
CONNECTION TYPE: THREADED EXTERNAL PIPE FIRST END
BURST TEST PRESSURE: 900.0 POUNDS PER SQUARE INCH LBS
MEASURING METHOD AND LENGTH: 297.000 INCHES MINIMUM OVERALL AND 303.000 INCHES MAXIMUM OVERALL IN
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
INSIDE SURFACE CONDITION: SMOOTH
TECHNICAL CHARACTERISTICS (FLIS)
END CONNECTION DESIGNSTRAIGHT SECOND END
LAYER COMPOSITION AND LOCATION1ST LAYER BRAIDED SYNTHETIC CORD AND 2ND LAYER BRAIDED SYNTHETIC CORD AND OUTER LAYER MOLDED RUBBER, CHLOROPRENE
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
CONNECTION TYPEEXTERNAL QUICK DISCONNECT SECOND END
BURST TEST PRESSURE900.0 POUNDS PER SQUARE INCH LBS
MEASURING METHOD AND LENGTH297.000 INCHES MINIMUM OVERALL AND 303.000 INCHES MAXIMUM OVERALL IN
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
INSIDE SURFACE CONDITIONSMOOTH
OUTER COVERING ENVIRONMENTAL PROTECTIONFUEL RESISTANT AND OZONE RESISTANT
SPECIAL FEATURESFURNISHED WITH A ONE TIME PROTECTIVE SHIPPING CAP FOR EACH END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
MIL-DTL-26521Interchangeable
interchangeable cross-reference
interchangeable
MIL-H-26521Interchangeable
interchangeable cross-reference
interchangeable
M26521F6.0T3000Interchangeable
interchangeable cross-reference
interchangeable
MIL-H-27508Interchangeable
interchangeable cross-reference
interchangeable
9058AInterchangeable
interchangeable cross-reference
interchangeable
M26521A3.0R0120Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M26521-4-300?
M26521-4-300 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace M26521-4-300?
There are 25 known substitutes for M26521-4-300: MIL-DTL-26521, MIL-H-26521, M26521F6.0T3000 and 22 more. Substitute compatibility should be verified for your specific system.
Is M26521-4-300 still available?
M26521-4-300 is currently cancelled.
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