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Technical Data Sheet
PartsTable / COMPONENT / MIL-H-8788
MIL-H-8788 ✓ 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: 37.0 DEGREES FIRST END, temp_rating: -65.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF, thread_class: 3B FIRST END, connection_type: THREADED INTERNAL TUBE FIRST END, inside_diameter: 0.344 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 (FLIS) under NSN 4720-00-554-8084, 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
MIL-H-8788
NSN: 4720-00-554-8084
FSC: 4720
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
seat_angle37.0 DEGREES FIRST END
temp_rating-65.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_class3B FIRST END
connection_typeTHREADED INTERNAL TUBE FIRST END
inside_diameter0.344 INCHES NOMINAL IN
connection_styleSWIVEL NUT FLARE FIRST END
outside_diameter0.375 INCHES NOMINAL IN
thread_directionRIGHT-HAND FIRST END
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
burst_test_pressure14000.0 POUNDS PER SQUARE INCH LBS
nominal_thread_size0.562 INCHES FIRST END IN
end_connection_designSTRAIGHT FIRST END
NSN4720-00-554-8084
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: MIL-H-8788 · 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
•
LAYER COMPOSITION AND LOCATION: 1ST LAYER BRAIDED STEEL WIRE AND 2ND LAYER BRAIDED STEEL WIRE AND OUTER LAYER MOLDED RUBBER
•
TEMP RATING: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
MATERIAL: RUBBER SYNTHETIC TUBE
•
INSIDE SURFACE CONDITION: SMOOTH
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
•
NONDEFINITIVE SPEC/STD DATA: 5 SIZE
•
HYDROSTATIC TEST PRESSURE: 7000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
•
OUTER COVERING ENVIRONMENTAL PROTECTION: ABRASION RESISTANT AND OIL RESISTANT
TECHNICAL CHARACTERISTICS (FLIS)
LAYER COMPOSITION AND LOCATION1ST LAYER BRAIDED STEEL WIRE AND 2ND LAYER BRAIDED STEEL WIRE AND OUTER LAYER MOLDED RUBBER
TEMP RATING-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT SINGLE RESPONSE DEGF
MATERIALRUBBER SYNTHETIC TUBE
INSIDE SURFACE CONDITIONSMOOTH
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
NONDEFINITIVE SPEC/STD DATA5 SIZE
HYDROSTATIC TEST PRESSURE7000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
OUTER COVERING ENVIRONMENTAL PROTECTIONABRASION RESISTANT AND OIL RESISTANT
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
SPECIFICATION/STANDARD DATA81349-MIL-H-8788 GOVERNMENT SPECIFICATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
309-6-0160Interchangeable
interchangeable cross-reference
interchangeable
4720PL0886855Interchangeable
interchangeable cross-reference
interchangeable
MIL-H-8878-6Interchangeable
interchangeable cross-reference
interchangeable
636-4030-002Interchangeable
interchangeable cross-reference
interchangeable
M8788-8-BInterchangeable
interchangeable cross-reference
interchangeable
4720PL1742578Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-H-8788?
MIL-H-8788 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace MIL-H-8788?
There are 30 known substitutes for MIL-H-8788: 309-6-0160, 4720PL0886855, MIL-H-8878-6 and 27 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-H-8788?
MIL-H-8788 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-554-8084. 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