PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-17902Hose Assembly,nonmetallic

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4720-01-655-9238 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-01-655-9238 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-655-9238. Primary manufacturer part number: MIL-DTL-17902.
Features
  • Hose Assembly,nonmetallic — FSC 4720
  • Thread Quantity Per Inch: 8 ALL ENDS
  • Connection Type: THREADED INTERNAL PIPE SECOND END
  • Nominal Thread Size: 2.5 INCHES ALL ENDS IN
  • Connection Type: THREADED EXTERNAL PIPE FIRST END
  • Connection Style: SWIVEL NUT, FLARELESS FIRST END
  • Connection Style: PLAIN SECOND END
  • Measuring Method and Length: 75.0 INCHES NOMINAL OVERALL IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-655-9238, 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 17 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-01-655-9238
Primary Part NumberMIL-DTL-17902
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
StatusACTIVE
Thread Quantity Per Inch8 ALL ENDS
Connection TypeTHREADED INTERNAL PIPE SECOND END
Nominal Thread Size2.5 INCHES ALL ENDS IN
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Connection StyleSWIVEL NUT, FLARELESS FIRST END
Connection StylePLAIN SECOND END
Measuring Method and Length75.0 INCHES NOMINAL OVERALL IN
Hydrostatic Test Pressure300.0 POUNDS PER SQUARE INCH LBS
Thread Series DesignatorNPT ALL ENDS
Outer Covering Environmental ProtectionABRASION RESISTANT AND OZONE RESISTANT AND FUEL RESISTANT
Inside Surface ConditionSMOOTH
Layer Composition and LocationOUTER LAYER RUBBER COMPOSITION AND 1ST LAYER RUBBER COMPOSITION
Burst Test Pressure600.0 POUNDS PER SQUARE INCH LBS
Exterior ColorBLACK
Outside Diameter3.125 INCHES NOMINAL IN
Inside Diameter2.50 INCHES NOMINAL IN
Cross-Sectional Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4720-00-142-2070 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-00-826-4782 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-01-183-8916SA25N INTERCHANGEABLE
Spider Assembly
Anco International, Inc
4730-01-242-2832 INTERCHANGEABLE
Adapter,straight,pipe to Hose
4730-01-242-7734 INTERCHANGEABLE
Adapter,straight,pipe to Hose
4720-01-254-0191 INTERCHANGEABLE
Hose,nonmetallic
4720-01-655-8697 INTERCHANGEABLE
Hose Assembly,nonmetallic
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-17902 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M17902-B-CCA-75 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-17902G Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4720-00-142-2070INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-00-826-4782INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-01-183-8916INTERCHANGEABLE
SPIDER ASSEMBLY
SA25N
4730-01-242-2832INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
4730-01-242-7734INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
4720-01-254-0191INTERCHANGEABLE
HOSE,NONMETALLIC
4720-01-655-8697INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC

Frequently Asked Questions

What is NSN 4720-01-655-9238?

NSN 4720-01-655-9238 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: active.

What are the part numbers for NSN 4720-01-655-9238?

NSN 4720-01-655-9238 has 3 cross-referenced part numbers: MIL-DTL-17902 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M17902-B-CCA-75 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-17902G (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4720-01-655-9238?

There are 7 known substitutes for 4720-01-655-9238: 4720-00-142-2070, 4720-00-826-4782, 4720-01-183-8916 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-17902?

Key specifications for MIL-DTL-17902: Thread Quantity Per Inch: 8 ALL ENDS; Connection Type: THREADED INTERNAL PIPE SECOND END; Nominal Thread Size: 2.5 INCHES ALL ENDS IN; Connection Type: THREADED EXTERNAL PIPE FIRST END. 17 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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