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Technical Data Sheet
PartsTable / COMPONENT / M370B021B0155B
M370B021B0155B ✓ 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: -25.0 FAHRENHEIT AND 140.0 FAHRENHEIT FIRST RESPONSE DEGF, exterior_color: BLACK OR TAN, operating_pressure: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS, burst_test_pressure: 500.0 POUNDS PER SQUARE INCH LBS, end_item_identification: NAVY EQUIPMENT: FUEL DISTRIBUTION, inside_surface_condition: SMOOTH. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-484-1929, 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
M370B021B0155B
NSN: 4720-01-484-1929
FSC: 4720
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
temp_rating-25.0 FAHRENHEIT AND 140.0 FAHRENHEIT FIRST RESPONSE DEGF
exterior_colorBLACK OR TAN
operating_pressure125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
burst_test_pressure500.0 POUNDS PER SQUARE INCH LBS
end_item_identificationNAVY EQUIPMENT: FUEL DISTRIBUTION
inside_surface_conditionSMOOTH
media_for_which_designedFUEL/OIL, HYDROCARBON FIRST RESPONSE
cross-sectional_shape_styleROUND
measuring_method_and_length15.5 FEET NOMINAL EXCLUDING END FITTINGS FT
specification/standard_data81349-MIL-PRF-370H GOVERNMENT SPECIFICATION
minimum_inside_bending_radius3.500 INCHES IN
layer_composition_and_location2ND LAYER HELIX, NYLON MONOFILAMENT OR 2ND LAYER HELIX STEEL COIL
NSN4720-01-484-1929
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: M370B021B0155B · 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
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON FIRST RESPONSE
•
OPERATING PRESSURE: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
•
TEMP RATING: -25.0 FAHRENHEIT AND 140.0 FAHRENHEIT FIRST RESPONSE DEGF
•
MINIMUM INSIDE BENDING RADIUS: 3.500 INCHES IN
•
BURST TEST PRESSURE: 500.0 POUNDS PER SQUARE INCH LBS
•
LAYER COMPOSITION AND LOCATION: 2ND LAYER HELIX, NYLON MONOFILAMENT OR 2ND LAYER HELIX STEEL COIL
•
EXTERIOR COLOR: BLACK OR TAN
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON FIRST RESPONSE
OPERATING PRESSURE125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
TEMP RATING-25.0 FAHRENHEIT AND 140.0 FAHRENHEIT FIRST RESPONSE DEGF
MINIMUM INSIDE BENDING RADIUS3.500 INCHES IN
END ITEM IDENTIFICATIONNAVY EQUIPMENT: FUEL DISTRIBUTION
BURST TEST PRESSURE500.0 POUNDS PER SQUARE INCH LBS
LAYER COMPOSITION AND LOCATION2ND LAYER HELIX, NYLON MONOFILAMENT OR 2ND LAYER HELIX STEEL COIL
EXTERIOR COLORBLACK OR TAN
SPECIFICATION/STANDARD DATA81349-MIL-PRF-370H GOVERNMENT SPECIFICATION
INSIDE SURFACE CONDITIONSMOOTH
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
543-420-3-12Interchangeable
interchangeable cross-reference
interchangeable
553-0083-12Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-370Interchangeable
interchangeable cross-reference
interchangeable
A-A-52554Interchangeable
interchangeable cross-reference
interchangeable
MIL-H-370Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-370HInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M370B021B0155B?
M370B021B0155B is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace M370B021B0155B?
There are 7 known substitutes for M370B021B0155B: 543-420-3-12, 553-0083-12, MIL-PRF-370 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M370B021B0155B?
M370B021B0155B is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-484-1929. 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