The Hose,air Duct, cataloged under National Stock Number 4720-01-355-7653, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Flexfab Llc. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-355-7653 |
| Primary Part Number | BOW1035-0004 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Flexfab Llc |
| Status | ACTIVE |
| Measuring Method and Length | 72.000 INCHES NOMINAL OVERALL IN |
| Connection Type | PLAIN BOTH ENDS |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Material Document and Classification | MIL-C-12189 MIL SPEC SINGLE MATERIAL RESPONSE ALL PLIES |
| Material Document and Classification | MIL-C-12189 MIL SPEC SINGLE MATERIAL RESPONSE SINGLE PLY |
| Material Document and Classification | QQ-W-428,TYPE 2,CLASS 1 FED SPEC SINGLE MATERIAL RESPONSE REINFORCING WIRE |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.125 INCHES NOMINAL IN |
| End Inside Width | 1.500 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 1.500 INCHES NOMINAL FIRST END IN |
| End Overall Length | 1.000 INCHES NOMINAL BOTH ENDS IN |
| End Inside Length | 1.500 INCHES NOMINAL BOTH ENDS IN |
| Material | STEEL REINFORCING WIRE |
| Material | COTTON AND RUBBER BUTYL FIRST PLY |
| 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 |
|---|---|
| BOW1035-0004 PRIMARY | Flexfab Llc (USA) |
| Reference | Meaning |
|---|---|
| 12553534-4 | 7/2 Vendor item drawing reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| 12553534-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4720-01-355-7653 is a Hose,air Duct, manufactured by Flexfab Llc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-355-7653 has 1 manufacturer part number on file: BOW1035-0004 (Flexfab Llc).
Key specifications for BOW1035-0004: Measuring Method and Length: 72.000 INCHES NOMINAL OVERALL IN; Connection Type: PLAIN BOTH ENDS; Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED; Material Document and Classification: MIL-C-12189 MIL SPEC SINGLE MATERIAL RESPONSE ALL PLIES. 14 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.