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MIL-H-6399 — HOSE,NONMETALLIC

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

MIL-H-6399: HOSE,NONMETALLIC.

The HOSE,NONMETALLIC is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC TUBE, inside_diameter: 0.625 INCHES NOMINAL IN, outside_diameter: 0.875 INCHES NOMINAL IN, special_markings: W/DATE OF MFR, operating_pressure: 40.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, burst_test_pressure: 160.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS. This part is cataloged in the U.S.

Government catalog under NSN 4720-00-200-0428, 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-6399
NSN: 4720-00-200-0428
NIINs: 002000428, 002000429, 006183115
FSC: 4720 — Hose and Flexible Tubing
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialRUBBER SYNTHETIC TUBE
inside_diameter0.625 INCHES NOMINAL IN
outside_diameter0.875 INCHES NOMINAL IN
special_markingsW/DATE OF MFR
operating_pressure40.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
burst_test_pressure160.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
inside_surface_conditionSMOOTH
media_for_which_designedAIR SINGLE RESPONSE
cross-sectional_shape_styleROUND
specification/standard_data81349-MIL-H-6399 GOVERNMENT SPECIFICATION
minimum_inside_bending_radius2.000 INCHES IN
outer_covering_environmental_protectionLIGHT RESISTANT
NSN4720-00-200-0428
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: MIL-H-6399 · 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
•
MEASURING METHOD AND LENGTH: 71.000 INCHES MINIMUM OVERALL AND 73.000 INCHES MAXIMUM OVERALL IN
•
LAYER COMPOSITION AND LOCATION: OUTER LAYER MOLDED RUBBER, CHLOROPRENE
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CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
SPECIFICATION/STANDARD DATA: 81349-H-6399 GOVERNMENT SPECIFICATION
•
INSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
INSIDE SURFACE CONDITION: SMOOTH
•
MEDIA FOR WHICH DESIGNED: AIR AND FUEL/OIL, HYDROCARBON SINGLE RESPONSE
TECHNICAL CHARACTERISTICS
MEASURING METHOD AND LENGTH71.000 INCHES MINIMUM OVERALL AND 73.000 INCHES MAXIMUM OVERALL IN
LAYER COMPOSITION AND LOCATIONOUTER LAYER MOLDED RUBBER, CHLOROPRENE
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA81349-H-6399 GOVERNMENT SPECIFICATION
INSIDE DIAMETER0.500 INCHES NOMINAL IN
INSIDE SURFACE CONDITIONSMOOTH
MEDIA FOR WHICH DESIGNEDAIR AND FUEL/OIL, HYDROCARBON SINGLE RESPONSE
BURST TEST PRESSURE50.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
OUTER COVERING ENVIRONMENTAL PROTECTIONLIGHT RESISTANT
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MIL-H-6399?
MIL-H-6399 is a HOSE,NONMETALLIC.
What is the NSN for MIL-H-6399?
MIL-H-6399 is cataloged in the U.S. Government catalog under NSN 4720-00-200-0428. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.