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NSN 4720-01-644-5531Government record, cited

Hose, Air Duct4720-01-644-5531

NSN 4720-01-644-5531 · NIIN 016445531 · Part number PB600-004-01
Breezer Holdings, Llc Dba Breezer Mobile Cooling · FSC 4720 — Hose and Flexible Tubing · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 673Q7
Government record, cited
NSN 4720-01-644-5531 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-644-5531. Manufacturer of record part number: PB600-004-01.
Also searched as  4720-01-644-5531 · 4720016445531 · NIIN 016445531 · 01-644-5531 · FSC 4720 Hose and Flexible Tubing · CAGE 673Q7 · PB600-004-01
Nearby stock numbers  ·
Features
  • Hose,air Duct — FSC 4720
  • Measuring Method and Length: 33.0 INCHES NOMINAL OVERALL IN
  • Connection Type: PLAIN FIRST END
  • Connection Type: COUPLING SECOND END
  • Cross-Sectional Shape Style: ROUND
  • Inside Diameter: 20.0 INCHES NOMINAL SECOND END IN
  • Inside Diameter: 24.0 INCHES NOMINAL FIRST END IN
  • 1 manufacturer part number on file
Identification
  • NSN: 4720-01-644-5531
  • NIIN: 016445531
  • FSC: 4720 — Hose and Flexible Tubing
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: PB600-004-01
  • Manufacturer: Breezer Holdings, Llc Dba Breezer Mobile Cooling
General Description

The Hose,air Duct, cataloged under National Stock Number 4720-01-644-5531, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Breezer Holdings, Llc Dba Breezer Mobile Cooling. Government technical data includes 6 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
NSN4720-01-644-5531
Primary Part NumberPB600-004-01
Item NameHose,air Duct
FSC / FSG4720 / 47 — Hose and Flexible Tubing
ManufacturerBreezer Holdings, Llc Dba Breezer Mobile Cooling
StatusACTIVE
Measuring Method and Length33.0 INCHES NOMINAL OVERALL IN
Connection TypePLAIN FIRST END
Connection TypeCOUPLING SECOND END
Cross-Sectional Shape StyleROUND
Inside Diameter20.0 INCHES NOMINAL SECOND END IN
Inside Diameter24.0 INCHES NOMINAL FIRST END IN
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
PB600-004-01 PRIMARY Breezer Holdings, Llc Dba Breezer Mobile Cooling (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 4720-01-644-5531?

NSN 4720-01-644-5531 is a Hose,air Duct, manufactured by Breezer Holdings, Llc Dba Breezer Mobile Cooling, classified under FSC 4720, Hose and Flexible Tubing. Status: active.

What part numbers are listed for NSN 4720-01-644-5531?

NSN 4720-01-644-5531 has 1 manufacturer part number on file: PB600-004-01 (Breezer Holdings, Llc Dba Breezer Mobile Cooling).

What are the specifications of PB600-004-01?

Key specifications for PB600-004-01: Measuring Method and Length: 33.0 INCHES NOMINAL OVERALL IN; Connection Type: PLAIN FIRST END; Connection Type: COUPLING SECOND END; Cross-Sectional Shape Style: ROUND. 6 specifications are documented in the U.S. Government catalog.

Is NSN 4720-01-644-5531 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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