The Hose,air Duct, cataloged under National Stock Number 4720-00-474-0888, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Hbd Industries, Inc Div Hbd/thermoid Inc. Government technical data includes 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-474-0888 |
| Primary Part Number | 1244247 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Hbd Industries, Inc Div Hbd/thermoid Inc |
| Status | ACTIVE |
| Hose Weight | 7.424 OUNCES PER LINEAR FOOT OZ |
| Measuring Method and Length | 18.000 INCHES NOMINAL OVERALL IN |
| Inside Width | 1.000 INCHES NOMINAL FIRST END IN |
| Inside Length | 2.625 INCHES NOMINAL FIRST END IN |
| Connection Style | OVAL BOTH ENDS |
| Connection Type | PREFORMED SECOND END |
| Connection Type | PREFORMED FIRST END |
| Style Designator | FULLY CONVOLUTED |
| Cross-Sectional Shape Style | RECTANGULAR |
| Wall Thickness | 0.062 INCHES NOMINAL IN |
| End Inside Width | 1.500 INCHES NOMINAL SECOND END IN |
| End Inside Width | 1.000 INCHES NOMINAL FIRST END IN |
| End Overall Length | 2.000 INCHES NOMINAL FIRST END IN |
| End Overall Length | 1.500 INCHES NOMINAL SECOND END IN |
| End Inside Length | 2.625 INCHES NOMINAL SECOND END IN |
| End Inside Length | 2.230 INCHES NOMINAL FIRST END IN |
| Material | COTTON AND RUBBER SILICONE CLASS Q SINGLE 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 |
|---|---|
| 1244247 | Hbd Industries, Inc Div Hbd/thermoid Inc (USA) |
| Reference | Meaning |
|---|---|
| 1244247 | 5/2 Secondary reference U.S. Government activity |
| 1244247 | 5/9 Secondary reference The Boeing Company |
| 1244247 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4720-00-474-0888 is a Hose,air Duct, manufactured by Hbd Industries, Inc Div Hbd/thermoid Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-474-0888 has 1 manufacturer part number on file: 1244247 (Hbd Industries, Inc Div Hbd/thermoid Inc).
Key specifications for 1244247: Hose Weight: 7.424 OUNCES PER LINEAR FOOT OZ; Measuring Method and Length: 18.000 INCHES NOMINAL OVERALL IN; Inside Width: 1.000 INCHES NOMINAL FIRST END IN; Inside Length: 2.625 INCHES NOMINAL FIRST END IN. 17 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.