The Hose,air Duct, cataloged under National Stock Number 4720-01-389-9595, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Industrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-389-9595 |
| Primary Part Number | IT-5038S6-20B |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Industrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc |
| Status | ACTIVE |
| Measuring Method and Length | 5.000 INCHES NOMINAL OVERALL IN |
| Connection Style | ROUND BOTH ENDS |
| Connection Type | SOFT BOTH ENDS |
| Style Designator | SLEEVE SECTION |
| Material Document and Classification | 27D0003 MFR REF SINGLE MATERIAL RESPONSE SINGLE PLY |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.050 INCHES NOMINAL IN |
| Operating Pressure | 12.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Inside Diameter | 1.500 INCHES NOMINAL FIRST END IN |
| End Overall Length | 1.500 INCHES NOMINAL BOTH ENDS IN |
| End Inside Diameter | 1.500 INCHES NOMINAL BOTH ENDS IN |
| Material | FIBERGLASS AND RUBBER SILICONE CLASS Q FIRST PLY |
| Material | FIBERGLASS AND RUBBER SILICONE CLASS Q SECOND PLY |
| Material | STEEL CORROSION RESISTING REINFORCING WIRE |
| Material | COTTON REINFORCING CORD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| IT-5038S6-20B PRIMARY | Industrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc (USA) |
| DOU106812002000 PRIMARY | Flexfab Llc (USA) |
| Reference | Meaning |
|---|---|
| 7D0106 | D/9 Drawing number reference only U.S. Government activity |
| 7D0106S6-20B | C/1 Advisory reference — outside the item-of-supply concept Flexfab Llc |
| 7D0106S6-20B | 5/2 Secondary reference U.S. Government activity |
| DOU1068 | D/9 Drawing number reference only Flexfab Llc |
NSN 4720-01-389-9595 is a Hose,air Duct, manufactured by Industrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-389-9595 has 2 manufacturer part numbers on file: IT-5038S6-20B (Industrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc), DOU106812002000 (Flexfab Llc).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-391-5851. Verify interchangeability with system specifications before substitution.
Key specifications for IT-5038S6-20B: Measuring Method and Length: 5.000 INCHES NOMINAL OVERALL IN; Connection Style: ROUND BOTH ENDS; Connection Type: SOFT BOTH ENDS; Style Designator: SLEEVE SECTION. 15 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.