The Hose,air Duct, cataloged under National Stock Number 4720-01-185-9503, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 15 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 15 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-185-9503 |
| Primary Part Number | 14004540 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Measuring Method and Length | 16.500 INCHES NOMINAL OVERALL IN |
| Connection Style | ROUND FIRST END |
| Connection Type | PREFORMED FIRST END |
| Style Designator | FULLY CONVOLUTED |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.220 INCHES NOMINAL IN |
| Features Provided | OZONE RESISTANT |
| Inside Diameter | 3.000 INCHES NOMINAL FIRST END IN |
| End Overall Length | 1.500 INCHES NOMINAL FIRST END IN |
| End Inside Diameter | 3.000 INCHES NOMINAL FIRST END IN |
| Material | FIBERGLASS SECOND PLY |
| Material | PLASTIC THIRD PLY |
| Material | PLASTIC 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 |
|---|---|
| 352009 | General Motors Llc Dba General Motors Llc (USA) |
| 1256288 | General Motors Llc Dba General Motors Llc (USA) |
| 347301 | General Motors Llc Dba General Motors Llc (USA) |
| 22505340 | General Motors Llc Dba General Motors Llc (USA) |
| 25511753 | General Motors Llc Dba General Motors Llc (USA) |
| 1258811 | General Motors Llc Dba General Motors Llc (USA) |
| 1256289 | General Motors Llc Dba General Motors Llc (USA) |
| 22501531 | General Motors Llc Dba General Motors Llc (USA) |
| 10009342 | General Motors Llc Dba General Motors Llc (USA) |
| 14004540 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| 22505348 | General Motors Llc Dba General Motors Llc (USA) |
| 560640 | General Motors Llc Dba General Motors Llc (USA) |
| 560638 | General Motors Llc Dba General Motors Llc (USA) |
| 10001632 | General Motors Llc Dba General Motors Llc (USA) |
| 22507437 | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 22507437 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 560638 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 10009342 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 560640 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 22501531 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 25511753 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 347301 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 1256289 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 1258811 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 22505348 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 1256288 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 22505340 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 14004540 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 352009 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 10001632 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
NSN 4720-01-185-9503 is a Hose,air Duct, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-185-9503 has 15 manufacturer part numbers on file: 352009 (General Motors Llc Dba General Motors Llc), 1256288 (General Motors Llc Dba General Motors Llc), 347301 (General Motors Llc Dba General Motors Llc), 22505340 (General Motors Llc Dba General Motors Llc), 25511753 (General Motors Llc Dba General Motors Llc) and 10 more.
Key specifications for 14004540: Measuring Method and Length: 16.500 INCHES NOMINAL OVERALL IN; Connection Style: ROUND FIRST END; Connection Type: PREFORMED FIRST END; Style Designator: FULLY CONVOLUTED. 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.