PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

531-6985694-F263Hose Assembly,nonmetallic

Naval Sea Systems Command · NSN 4720-01-501-6902 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-01-501-6902 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-501-6902. Primary manufacturer part number: 531-6985694-F263.
Features
  • Hose Assembly,nonmetallic — FSC 4720
  • Burst Test Pressure: 4000.0 POUNDS PER SQUARE INCH LBS
  • Outside Diameter: 2.297 INCHES MAXIMUM IN
  • Minimum Inside Bending Radius: 20.000 INCHES IN
  • Temp Rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Inside Surface Condition: SMOOTH
  • Nondefinitive Spec/std Data: 24 SIZE
  • Inside Diameter: 1.539 INCHES MAXIMUM IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-501-6902, 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 Naval Sea Systems Command. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, 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
NSN4720-01-501-6902
Primary Part Number531-6985694-F263
Item NameHose Assembly,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Burst Test Pressure4000.0 POUNDS PER SQUARE INCH LBS
Outside Diameter2.297 INCHES MAXIMUM IN
Minimum Inside Bending Radius20.000 INCHES IN
Temp Rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
Inside Surface ConditionSMOOTH
Nondefinitive Spec/std Data24 SIZE
Inside Diameter1.539 INCHES MAXIMUM IN
Measuring Method and Length15.000 INCHES NOMINAL EXCLUDING END FITTINGS IN
Specification/standard Data81349-MIL-H-24136/2 GOVERNMENT SPECIFICATION
Cross-Sectional Shape StyleROUND
Operating Pressure1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4720-00-080-4203 INTERCHANGEABLE
Hose,nonmetallic
4720-00-167-4725 INTERCHANGEABLE
Hose,nonmetallic
4720-00-167-4726 INTERCHANGEABLE
Hose,nonmetallic
4720-00-168-3444 INTERCHANGEABLE
Hose,nonmetallic
4720-01-019-8976 INTERCHANGEABLE
Hose,nonmetallic
4720-01-021-1586 INTERCHANGEABLE
Hose,nonmetallic
4720-01-021-5663 INTERCHANGEABLE
Hose,nonmetallic
4730-01-122-1005FC7183-2424-4 INTERCHANGEABLE
Elbow,hose
Danfoss Power Solutions II, Llc
4730-01-501-5017531-6985694-F7 INTERCHANGEABLE
Plate,orifice,fluid
Naval Sea Systems Command
4730-01-501-5019531-6985694-F24 INTERCHANGEABLE
Restrictor Unit,fluid Flow
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
531-6985694 Naval Sea Systems Command (USA)
531-6985694-F263 PRIMARY Naval Sea Systems Command (USA)
H655-1502-F263 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
MIL-H-24136/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M24136/2-24 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
531-6985695-F26 Naval Sea Systems Command (USA)
MIL-DTL-24136/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4720-00-080-4203INTERCHANGEABLE
HOSE,NONMETALLIC
4720-00-167-4725INTERCHANGEABLE
HOSE,NONMETALLIC
4720-00-167-4726INTERCHANGEABLE
HOSE,NONMETALLIC
4720-00-168-3444INTERCHANGEABLE
HOSE,NONMETALLIC
4720-01-019-8976INTERCHANGEABLE
HOSE,NONMETALLIC
4720-01-021-1586INTERCHANGEABLE
HOSE,NONMETALLIC
4720-01-021-5663INTERCHANGEABLE
HOSE,NONMETALLIC
4730-01-122-1005INTERCHANGEABLE
ELBOW,HOSE
FC7183-2424-4
4730-01-501-5017INTERCHANGEABLE
PLATE,ORIFICE,FLUID
531-6985694-F7
4730-01-501-5019INTERCHANGEABLE
RESTRICTOR UNIT,FLUID FLOW
531-6985694-F24
4730-01-501-5027INTERCHANGEABLE
RESTRICTOR UNIT,FLUID FLOW
531-6985694-F23
4720-01-501-5068INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
531-6985694-F202

Frequently Asked Questions

What is NSN 4720-01-501-6902?

NSN 4720-01-501-6902 is a Hose Assembly,nonmetallic, manufactured by Naval Sea Systems Command, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-01-501-6902?

NSN 4720-01-501-6902 has 7 cross-referenced part numbers: 531-6985694 (Naval Sea Systems Command), 531-6985694-F263 (Naval Sea Systems Command), H655-1502-F263 (Electric Boat Corporation Div General Dynamics Electric Boat), MIL-H-24136/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M24136/2-24 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.

What NSN replaces 4720-01-501-6902?

There are 12 known substitutes for 4720-01-501-6902: 4720-00-080-4203, 4720-00-167-4725, 4720-00-167-4726 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 531-6985694-F263?

Key specifications for 531-6985694-F263: Burst Test Pressure: 4000.0 POUNDS PER SQUARE INCH LBS; End Item Identification: R.O. UNIT PORT (PIPING 4000 GPD SEAWATER-BRINE-PERM PORT); WSD: LOS ANGELES CLASS SSN (688); Outside Diameter: 2.297 INCHES MAXIMUM IN; Minimum Inside Bending Radius: 20.000 INCHES IN. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com