PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-370JHose,nonmetallic

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4720-01-646-6755 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-01-646-6755 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-646-6755. Primary manufacturer part number: MIL-PRF-370J.
Features
  • Hose,nonmetallic — FSC 4720
  • Measuring Method and Length: 500.00 FEET NOMINAL EXCLUDING END FITTINGS FT
  • Operating Pressure: 150.00 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Burst Test Pressure: 600.00 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
  • Exterior Color: TAN OR BLACK
  • Inside Diameter: 6.00 INCHES NOMINAL IN
  • Outer Covering Environmental Protection: AGE RESISTANT AND OZONE RESISTANT AND ABRASION RESISTANT AND PETROLEUM RESISTANT
  • Media for Which Designed: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose,nonmetallic, cataloged under National Stock Number 4720-01-646-6755, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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: Active.

Technical Specifications
ParameterValue
NSN4720-01-646-6755
Primary Part NumberMIL-PRF-370J
Item NameHose,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Measuring Method and Length500.00 FEET NOMINAL EXCLUDING END FITTINGS FT
Operating Pressure150.00 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Burst Test Pressure600.00 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
Exterior ColorTAN OR BLACK
Inside Diameter6.00 INCHES NOMINAL IN
Outer Covering Environmental ProtectionAGE RESISTANT AND OZONE RESISTANT AND ABRASION RESISTANT AND PETROLEUM RESISTANT
Media for Which DesignedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4720-00-289-1409 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-00-528-2945 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-01-016-1385 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-01-122-5703 INTERCHANGEABLE
Hose,nonmetallic
4720-01-262-5146 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-01-515-313112629360 INTERCHANGEABLE
Hose Assembly,nonmetallic
U S Army Tank Automotive Command Amsta-Im-Mm
4720-01-547-1820 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-01-547-3013 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-01-547-3099 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-01-646-6522 INTERCHANGEABLE
Hose,nonmetallic
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-370J Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M370C100O5000 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
Related Parts
4720-00-289-1409INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-00-528-2945INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-01-016-1385INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-01-122-5703INTERCHANGEABLE
HOSE,NONMETALLIC
4720-01-262-5146INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-01-515-3131INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
12629360
4720-01-547-1820INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-01-547-3013INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-01-547-3099INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-01-646-6522INTERCHANGEABLE
HOSE,NONMETALLIC
4720-01-649-3376INTERCHANGEABLE
HOSE,NONMETALLIC
4720-01-650-1133INTERCHANGEABLE
HOSE,NONMETALLIC

Frequently Asked Questions

What is NSN 4720-01-646-6755?

NSN 4720-01-646-6755 is a Hose,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: active.

What are the part numbers for NSN 4720-01-646-6755?

NSN 4720-01-646-6755 has 3 cross-referenced part numbers: MIL-PRF-370J (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M370C100O5000 (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).

What NSN replaces 4720-01-646-6755?

There are 12 known substitutes for 4720-01-646-6755: 4720-00-289-1409, 4720-00-528-2945, 4720-01-016-1385 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-PRF-370J?

Key specifications for MIL-PRF-370J: Measuring Method and Length: 500.00 FEET NOMINAL EXCLUDING END FITTINGS FT; Operating Pressure: 150.00 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; End Item Identification: R21MSP ASSY00; Burst Test Pressure: 600.00 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS. 8 total characteristics are documented in the Federal Logistics Information System.

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