PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-H-370Hose Assembly,nonmetallic

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4720-00-230-6583 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-230-6583 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-230-6583. Primary manufacturer part number: MIL-H-370.
Features
  • Hose Assembly,nonmetallic — FSC 4720
  • End Fitting Component and Material: COMPLETE FITTING COPPER ALLOY ALL ENDS
  • Thread Series Designator: NPSH FIRST END
  • Thread Direction: RIGHT-HAND FIRST END
  • Connection Style: SWIVEL NUT, GASKET SEAL SECOND END
  • Hydrostatic Test Pressure: 125.0 POUNDS PER SQUARE INCH LBS
  • Burst Test Pressure: 375.0 POUNDS PER SQUARE INCH LBS
  • Specification/standard Data: 81349-MIL-H-370 GOVERNMENT SPECIFICATION
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-00-230-6583, is classified within Federal Supply Class 4720 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4720-00-230-6583
Primary Part NumberMIL-H-370
Item NameHose Assembly,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
End Fitting Component and MaterialCOMPLETE FITTING COPPER ALLOY ALL ENDS
Thread Series DesignatorNPSH FIRST END
Thread DirectionRIGHT-HAND FIRST END
Connection StyleSWIVEL NUT, GASKET SEAL SECOND END
Hydrostatic Test Pressure125.0 POUNDS PER SQUARE INCH LBS
Burst Test Pressure375.0 POUNDS PER SQUARE INCH LBS
Specification/standard Data81349-MIL-H-370 GOVERNMENT SPECIFICATION
Exterior ColorBLACK
End Connection DesignSTRAIGHT SECOND END
Nominal Thread Size2.500 INCHES SECOND END IN
Outer Covering Environmental ProtectionFUEL RESISTANT AND OIL RESISTANT AND MILDEW RESISTANT AND OZONE RESISTANT
Connection TypeTHREADED EXTERNAL HOSE FIRST END
Measuring Method and Length300.000 INCHES NOMINAL EXCLUDING END FITTINGS IN
Nominal Thread Size2.500 INCHES FIRST END IN
Thread DirectionRIGHT-HAND SECOND END
Thread Series DesignatorNPSH SECOND END
Connection StylePLAIN FIRST END
Connection TypeTHREADED INTERNAL HOSE SECOND END
Inside Diameter2.500 INCHES NOMINAL IN
Temp Rating-32.0 CELSIUS AND 52.0 CELSIUS SINGLE RESPONSE DEGC
Cross-Sectional Shape StyleROUND
Layer Composition and Location1ST LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD AND 2ND LAYER HELIX WIRE COIL AND 3RD LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD AND 4TH LAYER HELIX WIRE COIL AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
Inside Surface ConditionSMOOTH
Outside Diameter3.188 INCHES NOMINAL IN
End Connection DesignSTRAIGHT FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4720-00-223-7363 INTERCHANGEABLE
Hose,nonmetallic
4720-00-229-0662 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-00-555-8325 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-00-705-9542 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-00-715-1560 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-00-718-6020 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-00-893-4339 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-01-028-1818 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-01-071-2871 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-01-274-9234 INTERCHANGEABLE
Hose,nonmetallic
Cross-Reference Index
Part NumberManufacturer
MIL-H-370 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AA52554B07B33000 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M370B071B0250B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-370 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
A-A-52554 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M370B07B3C3000 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4720-00-223-7363INTERCHANGEABLE
HOSE,NONMETALLIC
4720-00-229-0662INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-00-555-8325INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-00-705-9542INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-00-715-1560INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-00-718-6020INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-00-893-4339INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-01-028-1818INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-01-071-2871INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-01-274-9234INTERCHANGEABLE
HOSE,NONMETALLIC
4720-01-360-2376INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-01-360-4360INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC

Frequently Asked Questions

What is NSN 4720-00-230-6583?

NSN 4720-00-230-6583 is a Hose Assembly,nonmetallic, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4720 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4720-00-230-6583?

NSN 4720-00-230-6583 has 6 cross-referenced part numbers: MIL-H-370 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AA52554B07B33000 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M370B071B0250B (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-370 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), A-A-52554 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 4720-00-230-6583?

There are 12 known substitutes for 4720-00-230-6583: 4720-00-223-7363, 4720-00-229-0662, 4720-00-555-8325 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-H-370?

Key specifications for MIL-H-370: End Fitting Component and Material: COMPLETE FITTING COPPER ALLOY ALL ENDS; Thread Series Designator: NPSH FIRST END; Thread Direction: RIGHT-HAND FIRST END; Connection Style: SWIVEL NUT, GASKET SEAL SECOND END. 25 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4720-00-230-6583 still in active supply?

NSN 4720-00-230-6583 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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