The Hose,air Duct, cataloged under National Stock Number 4720-01-449-1114, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Arrowhead Products Corp. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-449-1114 |
| Primary Part Number | 700630-2.50-40-8 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Arrowhead Products Corp |
| Status | ACTIVE |
| Measuring Method and Length | 10.000 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 1.250 INCHES IN |
| Connection Style | ROUND BOTH ENDS |
| Connection Type | SOFT BOTH ENDS |
| Style Designator | FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS |
| Material Document and Classification | MIL-H-62028,TYPE1,CLASS2 MIL SPEC ALL MATERIAL RESPONSES ALL PLIES |
| Cross-Sectional Shape Style | ROUND |
| Inside Diameter | 2.500 INCHES NOMINAL FIRST END IN |
| End Overall Length | 2.000 INCHES NOMINAL BOTH ENDS IN |
| End Inside Diameter | 2.500 INCHES NOMINAL BOTH ENDS IN |
| Material | STEEL REINFORCING WIRE |
| Material | FIBERGLASS AND RUBBER SILICONE CLASS Q FIRST PLY |
| Material | FIBERGLASS AND RUBBER SILICONE CLASS Q SECOND PLY |
| Material | FIBERGLASS AND RUBBER SILICONE CLASS Q COVER |
| 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 |
|---|---|
| 700630-2.50-40-8 PRIMARY | Arrowhead Products Corp (USA) |
| 5419055-8 | Naval Sea Systems Command (USA) |
| 2001-20-0040-08 PRIMARY | Flexfab Llc (USA) |
| Reference | Meaning |
|---|---|
| 5419055 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4720-01-449-1114 is a Hose,air Duct, manufactured by Arrowhead Products Corp, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-449-1114 has 3 manufacturer part numbers on file: 700630-2.50-40-8 (Arrowhead Products Corp), 5419055-8 (Naval Sea Systems Command), 2001-20-0040-08 (Flexfab Llc).
Key specifications for 700630-2.50-40-8: Measuring Method and Length: 10.000 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 1.250 INCHES IN; Connection Style: ROUND BOTH ENDS; Connection Type: SOFT BOTH ENDS. 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.