PartsTable TECHNICAL DATA SHEET
NSN 4720-00-290-5155Government record, cited

Hose Assembly, Metallic4720-00-290-5155

NSN 4720-00-290-5155 · NIIN 002905155 · Part number BW21-1HHMW4-2IN
Coast Metal Craft, Inc. · FSC 4720 — Hose and Flexible Tubing · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 52054
Government record, cited
NSN 4720-00-290-5155 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-290-5155. Manufacturer of record part number: BW21-1HHMW4-2IN.
Also searched as  4720-00-290-5155 · 4720002905155 · NIIN 002905155 · 00-290-5155 · FSC 4720 Hose and Flexible Tubing · CAGE 52054 · BW21-1HHMW4-2IN
Nearby stock numbers  ·
Features
  • Hose Assembly,metallic — FSC 4720
  • Measuring Method and Length: 24.000 INCHES NOMINAL OVERALL IN
  • Minimum Inside Bending Radius: 11.500 INCHES IN
  • Connection Style: PLAIN FIRST END
  • End Connection Design: STRAIGHT FIRST END
  • Layer Composition and Location: OUTER LAYER CORRUGATED CORROSION RESISTANT STEEL
  • Cross-Sectional Shape Style: ROUND
  • Outside Diameter: 2.885 INCHES NOMINAL IN
Identification
  • NSN: 4720-00-290-5155
  • NIIN: 002905155
  • FSC: 4720 — Hose and Flexible Tubing
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: BW21-1HHMW4-2IN
  • Manufacturer: Coast Metal Craft, Inc.
General Description

The Hose Assembly,metallic, cataloged under National Stock Number 4720-00-290-5155, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Coast Metal Craft, Inc.. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-00-290-5155
Primary Part NumberBW21-1HHMW4-2IN
Item NameHose Assembly,metallic
FSC / FSG4720 / 47 — Hose and Flexible Tubing
ManufacturerCoast Metal Craft, Inc.
StatusACTIVE
Measuring Method and Length24.000 INCHES NOMINAL OVERALL IN
Minimum Inside Bending Radius11.500 INCHES IN
Connection StylePLAIN FIRST END
End Connection DesignSTRAIGHT FIRST END
Layer Composition and LocationOUTER LAYER CORRUGATED CORROSION RESISTANT STEEL
Cross-Sectional Shape StyleROUND
Outside Diameter2.885 INCHES NOMINAL IN
Features ProvidedIDENTICAL ENDS
Thread DirectionRIGHT-HAND FIRST END
Nominal Thread Size2.000 INCHES FIRST END IN
Exterior ColorSILVER
Inside Diameter2.000 INCHES NOMINAL IN
Burst Test Pressure2100.0 POUNDS PER SQUARE INCH LBS
Thread Quantity Per Inch11-1/2 FIRST END
Special MarkingsPERMANENTLY W/WORKING PRESSURE AND MERN AND NAME
Thread Series DesignatorNPT FIRST END
Inner Conveying Tube StyleANNULAR CLOSE-PITCH CORRUGATED
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
BW21-1HHMW4-2IN PRIMARY Coast Metal Craft, Inc. (USA)
No interchangeability data on file.
Other items in FSC 4720 — Hose and Flexible Tubing
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4720-00-000-0080
HOSE ASSEMBLY,NONMETALLIC
4720-00-000-0081
4720-00-000-0081 · Item name not on file
4720-00-000-0084
HOSE,PREFORMED
4720-00-000-0724
4720-00-000-0724 · Item name not on file
4720-00-001-0014
HOSE ASSEMBLY,NONMETALLIC
4720-00-001-0015
4720-00-001-0015 · Item name not on file
4720-00-001-0023
HOSE ASSEMBLY,NONMETALLIC
4720-00-001-0025
4720-00-001-0025 · Item name not on file

Frequently Asked Questions

What is NSN 4720-00-290-5155?

NSN 4720-00-290-5155 is a Hose Assembly,metallic, manufactured by Coast Metal Craft, Inc., classified under FSC 4720, Hose and Flexible Tubing. Status: active.

What part numbers are listed for NSN 4720-00-290-5155?

NSN 4720-00-290-5155 has 1 manufacturer part number on file: BW21-1HHMW4-2IN (Coast Metal Craft, Inc.).

What are the specifications of BW21-1HHMW4-2IN?

Key specifications for BW21-1HHMW4-2IN: Measuring Method and Length: 24.000 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 11.500 INCHES IN; Connection Style: PLAIN FIRST END; End Connection Design: STRAIGHT FIRST END. 17 specifications are documented in the U.S. Government catalog.

Is NSN 4720-00-290-5155 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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