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Technical Data Sheet
PartsTable / COMPONENT / M370B05A1
M370B05A1 ✓ 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 material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR TUBE, temp_rating: -32.00 CELSIUS AND 52.0 CELSIUS SINGLE RESPONSE DEGC, inside_diameter: 1.500 INCHES NOMINAL IN, outside_diameter: 2.125 INCHES NOMINAL IN, operating_pressure: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, burst_test_pressure: 500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-223-7363, 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
M370B05A1
NSN: 4720-00-223-7363
FSC: 4720
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR TUBE
temp_rating-32.00 CELSIUS AND 52.0 CELSIUS SINGLE RESPONSE DEGC
inside_diameter1.500 INCHES NOMINAL IN
outside_diameter2.125 INCHES NOMINAL IN
operating_pressure125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
burst_test_pressure500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
inside_surface_conditionSMOOTH
hydrostatic_test_pressure250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
cross-sectional_shape_styleROUND
nondefinitive_spec/std_data2 TYPE AND 5 SIZE
specification/standard_data81349-MIL-H-370 GOVERNMENT SPECIFICATION
layer_composition_and_location2ND LAYER SPIRALLY WRAPPED STEEL FABRIC
NSN4720-00-223-7363
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: M370B05A1 · 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
•
OUTSIDE DIAMETER: 2.125 INCHES NOMINAL IN
•
LAYER COMPOSITION AND LOCATION: OUTER LAYER MOLDED RUBBER, SYNTHETIC
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 5 SIZE
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR TUBE
•
OPERATING PRESSURE: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
HYDROSTATIC TEST PRESSURE: 250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
•
SPECIFICATION/STANDARD DATA: 81349-MIL-H-370 GOVERNMENT SPECIFICATION
•
INSIDE SURFACE CONDITION: SMOOTH
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER2.125 INCHES NOMINAL IN
LAYER COMPOSITION AND LOCATIONOUTER LAYER MOLDED RUBBER, SYNTHETIC
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 5 SIZE
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR TUBE
OPERATING PRESSURE125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
HYDROSTATIC TEST PRESSURE250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
SPECIFICATION/STANDARD DATA81349-MIL-H-370 GOVERNMENT SPECIFICATION
INSIDE SURFACE CONDITIONSMOOTH
OUTER COVERING ENVIRONMENTAL PROTECTIONCRUSH RESISTANT AND FUEL RESISTANT AND OIL RESISTANT AND OZONE RESISTANT
TEMP RATING-32.00 CELSIUS AND 52.0 CELSIUS SINGLE RESPONSE DEGC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
M370B051A0250BInterchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-370Interchangeable
interchangeable cross-reference
interchangeable
AA52554B05B33000Interchangeable
interchangeable cross-reference
interchangeable
MIL-H-370Interchangeable
interchangeable cross-reference
interchangeable
AA52554B07B33000Interchangeable
interchangeable cross-reference
interchangeable
M370B071B0250BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M370B05A1?
M370B05A1 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace M370B05A1?
There are 24 known substitutes for M370B05A1: M370B051A0250B, MIL-PRF-370, AA52554B05B33000 and 21 more. Substitute compatibility should be verified for your specific system.
Is M370B05A1 still available?
M370B05A1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026