PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ZZ-H-451Hose Assembly,nonmetallic,fire F

Harold D Hard Co · NSN 4210-00-541-6229 · FSC 4210 · No Item Name Available
Verified by PartsTable
NSN 4210-00-541-6229 — this item is cataloged by the U.S. Government under National Stock Number 4210-00-541-6229. Primary manufacturer part number: ZZ-H-451.
Features
  • Hose Assembly,nonmetallic,fire F — FSC 4210
  • Inside Surface Condition: SMOOTH
  • Connection Type: THREADED EXTERNAL HOSE SECOND END
  • Nominal Thread Size: 1.500 INCHES SECOND END IN
  • Thread Quantity Per Inch: 9 FIRST END
  • Connection Type: THREADED INTERNAL HOSE FIRST END
  • Thread Series Designator: NH SECOND END
  • FSC Application Data: FIRE FIGHTING EQUIPMENT
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose Assembly,nonmetallic,fire F, cataloged under National Stock Number 4210-00-541-6229, is classified within Federal Supply Class 4210 (No Item Name Available) of the Fire Fighting, Rescue, and Safety Equipment group. The primary manufacturer of record is Harold D Hard Co. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN4210-00-541-6229
Primary Part NumberZZ-H-451
Item NameHose Assembly,nonmetallic,fire F
FSC / FSG4210 / 42 — No Item Name Available
ManufacturerHarold D Hard Co
StatusACTIVE
Inside Surface ConditionSMOOTH
Connection TypeTHREADED EXTERNAL HOSE SECOND END
Nominal Thread Size1.500 INCHES SECOND END IN
Thread Quantity Per Inch9 FIRST END
Connection TypeTHREADED INTERNAL HOSE FIRST END
Thread Series DesignatorNH SECOND END
FSC Application DataFIRE FIGHTING EQUIPMENT
Media for Which DesignedWATER SINGLE RESPONSE
Thread DirectionRIGHT-HAND FIRST END
Thread Quantity Per Inch9 SECOND END
Burst Test Pressure600.0 POUNDS PER SQUARE INCH LBS
Nominal Thread Size1.500 INCHES FIRST END IN
Measuring Method and Length150.000 INCHES NOMINAL OVERALL IN
Layer Composition and Location1ST LAYER WOVEN COTTON CORD AND OUTER LAYER WOVEN COTTON CORD
End Connection DesignSTRAIGHT SECOND END
Thread Series DesignatorNH FIRST END
End Connection DesignSTRAIGHT FIRST END
Connection StylePLAIN SECOND END
Inside Diameter1.500 INCHES NOMINAL IN
Connection StyleSWIVEL NUT, GASKET SEAL FIRST END
Specification/standard Data81348-ZZ-H-451 GOVERNMENT SPECIFICATION
Thread DirectionRIGHT-HAND SECOND END
Cross-Sectional Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4210-00-078-9169 INTERCHANGEABLE
Hose Assembly,nonmetallic,fire F
4210-00-078-9170 INTERCHANGEABLE
Hose Assembly,nonmetallic,fire F
4210-00-096-9494 INTERCHANGEABLE
Hose Assembly,nonmetallic,fire F
4210-00-142-2071 INTERCHANGEABLE
Hose Assembly,nonmetallic,fire F
4210-00-143-4471 INTERCHANGEABLE
Hose,fire
4720-00-289-6105 INTERCHANGEABLE
Hose Assembly,nonmetallic
4210-00-289-6123 INTERCHANGEABLE
Hose Assembly,nonmetallic,fire F
4210-00-293-79948420750109 INTERCHANGEABLE
Hose Assembly,nonmetallic,fire F
Foundation Equipment Corp
4210-00-541-6230 INTERCHANGEABLE
Hose Assembly,nonmetallic,fire F
4210-00-595-0146 INTERCHANGEABLE
Hose Assembly,nonmetallic,fire F
Cross-Reference Index
Part NumberManufacturer
ZZ-H-451 Harold D Hard Co (USA)
A-A-59226 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
ZZ-H-451 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AA592261A1.512.5 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
4210-00-078-9169INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC,FIRE F
4210-00-078-9170INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC,FIRE F
4210-00-096-9494INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC,FIRE F
4210-00-142-2071INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC,FIRE F
4210-00-143-4471INTERCHANGEABLE
HOSE,FIRE
4720-00-289-6105INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4210-00-289-6123INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC,FIRE F
4210-00-293-7994INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC,FIRE F
8420750109
4210-00-541-6230INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC,FIRE F
4210-00-595-0146INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC,FIRE F
4210-00-729-5590INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC,FIRE F
4210-00-729-5591INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC,FIRE F

Frequently Asked Questions

What is NSN 4210-00-541-6229?

NSN 4210-00-541-6229 is a Hose Assembly,nonmetallic,fire F, manufactured by Harold D Hard Co, classified under FSC 4210 (No Item Name Available). Status: active.

What are the part numbers for NSN 4210-00-541-6229?

NSN 4210-00-541-6229 has 4 cross-referenced part numbers: ZZ-H-451 (Harold D Hard Co), A-A-59226 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), ZZ-H-451 (Federal Specifications Promulgated by General Services Administration Washington DC), AA592261A1.512.5 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).

What NSN replaces 4210-00-541-6229?

There are 12 known substitutes for 4210-00-541-6229: 4210-00-078-9169, 4210-00-078-9170, 4210-00-096-9494 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ZZ-H-451?

Key specifications for ZZ-H-451: Inside Surface Condition: SMOOTH; Connection Type: THREADED EXTERNAL HOSE SECOND END; Nominal Thread Size: 1.500 INCHES SECOND END IN; Thread Quantity Per Inch: 9 FIRST END. 23 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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