The Hose,air Duct, cataloged under National Stock Number 4720-01-172-2118, 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 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-172-2118 |
| Primary Part Number | FIE1004 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Flexfab Llc |
| Status | ACTIVE |
| Measuring Method and Length | 7.000 INCHES NOMINAL OVERALL IN |
| Connection Style | ROUND BOTH ENDS |
| Connection Type | SOFT SECOND END |
| Connection Type | SOFT FIRST END |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Cross-Sectional Shape Style | ROUND |
| Features Provided | ABRASION RESISTANT |
| Inside Diameter | 1.120 INCHES NOMINAL FIRST END IN |
| End Overall Length | 1.000 INCHES NOMINAL SECOND END IN |
| End Overall Length | 1.000 INCHES NOMINAL FIRST END IN |
| End Inside Diameter | 1.380 INCHES NOMINAL SECOND END IN |
| End Inside Diameter | 1.120 INCHES NOMINAL FIRST END IN |
| Material | FIBERGLASS AND RUBBER SILICONE CLASS Q 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 |
|---|---|
| FIE1004 PRIMARY | Flexfab Llc (USA) |
| Reference | Meaning |
|---|---|
| 8227165 | D/9 Drawing number reference only U.S. Government activity |
NSN 4720-01-172-2118 is a Hose,air Duct, manufactured by Flexfab Llc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-172-2118 has 1 manufacturer part number on file: FIE1004 (Flexfab Llc).
Key specifications for FIE1004: Measuring Method and Length: 7.000 INCHES NOMINAL OVERALL IN; Connection Style: ROUND BOTH ENDS; Connection Type: SOFT SECOND END; Connection Type: SOFT FIRST END. 13 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.