PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ZZH611GRADEBHose Assembly,nonmetallic

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 4720-00-425-9784 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-425-9784 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-425-9784. Primary manufacturer part number: ZZH611GRADEB.
Features
  • Hose Assembly,nonmetallic — FSC 4720
  • Thread Series Designator: NPT FIRST END
  • Measuring Method and Length: 300.000 INCHES NOMINAL EXCLUDING END FITTINGS IN
  • Nondefinitive Spec/std Data: B GRADE
  • Specification/standard Data: 81348-ZZ-H-611 GOVERNMENT SPECIFICATION
  • Outer Covering Environmental Protection: ABRASION RESISTANT
  • Hydrostatic Test Pressure: 250.0 POUNDS PER SQUARE INCH LBS
  • Operating Pressure: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-00-425-9784, 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 Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN4720-00-425-9784
Primary Part NumberZZH611GRADEB
Item NameHose Assembly,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Thread Series DesignatorNPT FIRST END
Measuring Method and Length300.000 INCHES NOMINAL EXCLUDING END FITTINGS IN
Nondefinitive Spec/std DataB GRADE
Specification/standard Data81348-ZZ-H-611 GOVERNMENT SPECIFICATION
Outer Covering Environmental ProtectionABRASION RESISTANT
Hydrostatic Test Pressure250.0 POUNDS PER SQUARE INCH LBS
Operating Pressure125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
Connection StylePLAIN FIRST END
Layer Composition and Location2ND LAYER RUBBER IMPREGNATED COTTON FABRIC AND 1ST LAYER RUBBER IMPREGNATED COTTON FABRIC AND OUTER LAYER SPIRALLY WRAPPED RUBBER FABRIC
End Connection DesignSTRAIGHT FIRST END
Thread DirectionRIGHT-HAND FIRST END
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Burst Test Pressure500.0 POUNDS PER SQUARE INCH LBS
Cross-Sectional Shape StyleROUND
Nominal Thread Size1.500 INCHES FIRST END IN
Inside Diameter1.500 INCHES NOMINAL IN
Media for Which DesignedWATER, FRESH SINGLE RESPONSE
Inside Surface ConditionSMOOTH
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-004-74908322 INTERCHANGEABLE
Reactor
Exxelia Usa, Inc.
5960-00-104-5816 INTERCHANGEABLE
Electron Tube
5930-00-161-3118 INTERCHANGEABLE
Switch,thermostatic
1650-00-394-2346 INTERCHANGEABLE
Vent,plug
5985-00-763-80258322 INTERCHANGEABLE
Attenuator,fixed
Bird Electronic Corporation Div Bird Electronic Corp
5935-00-937-44211250-0143 INTERCHANGEABLE
Retainer,electrical Connector
Keysight Technologies Inc
6630-00-963-9375 INTERCHANGEABLE
Screws
4730-01-017-42940021130-020 INTERCHANGEABLE
Tee,pipe
Cleveland Service Center
5310-01-074-74548322 INTERCHANGEABLE
Nut,plain,round
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5310-01-081-8534M45938/4-8 INTERCHANGEABLE
Nut,plain,clinch
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
ZZH611GRADEB Federal Specifications Promulgated by General Services Administration Washington DC (USA)
8-322 Vic Mfg Co (USA)
WD111 Streets and Roads Equipment Co (USA)
Related Parts
5950-00-004-7490INTERCHANGEABLE
REACTOR
8322
5960-00-104-5816INTERCHANGEABLE
ELECTRON TUBE
5930-00-161-3118INTERCHANGEABLE
SWITCH,THERMOSTATIC
1650-00-394-2346INTERCHANGEABLE
VENT,PLUG
5985-00-763-8025INTERCHANGEABLE
ATTENUATOR,FIXED
8322
5935-00-937-4421INTERCHANGEABLE
RETAINER,ELECTRICAL CONNECTOR
1250-0143
6630-00-963-9375INTERCHANGEABLE
SCREWS
4730-01-017-4294INTERCHANGEABLE
TEE,PIPE
0021130-020
5310-01-074-7454INTERCHANGEABLE
NUT,PLAIN,ROUND
8322
5310-01-081-8534INTERCHANGEABLE
NUT,PLAIN,CLINCH
M45938/4-8
3950-01-136-3848INTERCHANGEABLE
SHIFTER ASSEMBLY,WINCH
6515-01-162-2792INTERCHANGEABLE
GLOVES,SURGEONS'
11321

Frequently Asked Questions

What is NSN 4720-00-425-9784?

NSN 4720-00-425-9784 is a Hose Assembly,nonmetallic, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-00-425-9784?

NSN 4720-00-425-9784 has 3 cross-referenced part numbers: ZZH611GRADEB (Federal Specifications Promulgated by General Services Administration Washington DC), 8-322 (Vic Mfg Co), WD111 (Streets and Roads Equipment Co).

What NSN replaces 4720-00-425-9784?

There are 12 known substitutes for 4720-00-425-9784: 5950-00-004-7490, 5960-00-104-5816, 5930-00-161-3118 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ZZH611GRADEB?

Key specifications for ZZH611GRADEB: Thread Series Designator: NPT FIRST END; Measuring Method and Length: 300.000 INCHES NOMINAL EXCLUDING END FITTINGS IN; Nondefinitive Spec/std Data: B GRADE; Specification/standard Data: 81348-ZZ-H-611 GOVERNMENT SPECIFICATION. 18 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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