Measuring Method and Length: 6.75 INCHES NOMINAL OVERALL IN
Temp Rating: -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF
Style Designator: SLEEVE SECTION
Cross-Sectional Shape Style: ROUND
Wall Thickness: 0.030 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
Inside Diameter: 1.734 INCHES MINIMUM AND 1.813 INCHES MAXIMUM BOTH ENDS IN
Identification
NSN: 4720-01-620-1330
NIIN: 016201330
FSC: 4720 — Hose and Flexible Tubing
FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description
The Hose,air Duct, cataloged under National Stock Number 4720-01-620-1330, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4720-01-620-1330
Item Name
Hose,air Duct
FSC / FSG
4720 / 47 — Hose and Flexible Tubing
Status
ACTIVE
Measuring Method and Length
6.75 INCHES NOMINAL OVERALL IN
Temp Rating
-65.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF
Style Designator
SLEEVE SECTION
Cross-Sectional Shape Style
ROUND
Wall Thickness
0.030 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
Inside Diameter
1.734 INCHES MINIMUM AND 1.813 INCHES MAXIMUM BOTH ENDS IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
NAS520-14-27
3/2Design control — primary reference
U.S. Government activity
NAS522
3/1Design control — primary reference
U.S. Government activity
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 4720-01-620-1330?
NSN 4720-01-620-1330 is a Hose,air Duct, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
What are the specifications of 4720-01-620-1330?
Key specifications for 4720-01-620-1330: Measuring Method and Length: 6.75 INCHES NOMINAL OVERALL IN; Temp Rating: -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF; Style Designator: SLEEVE SECTION; Cross-Sectional Shape Style: ROUND. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4720-01-620-1330 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.