The Hose,air Duct, cataloged under National Stock Number 4720-00-243-9771, 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 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4720-00-243-9771 |
| Primary Part Number | 1234277 |
| 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 | 72.000 INCHES NOMINAL OVERALL IN |
| Connection Type | PLAIN BOTH ENDS |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.060 INCHES NOMINAL IN |
| Inside Diameter | 2.500 INCHES NOMINAL FIRST END IN |
| Material | STEEL REINFORCING WIRE |
| Material | PLASTIC FIRST PLY |
| Material | PLASTIC SECOND 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 |
|---|---|
| 1234277 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| 3786766 | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 1234277 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 3783045 | D/9 Drawing number reference only General Motors Corp Chevrolet Motor Div Special Products Dept |
| 3786766 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
NSN 4720-00-243-9771 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 4720-00-243-9771 has 2 manufacturer part numbers on file: 1234277 (General Motors Llc Dba General Motors Llc), 3786766 (General Motors Llc Dba General Motors Llc).
Key specifications for 1234277: Measuring Method and Length: 72.000 INCHES NOMINAL OVERALL IN; Connection Type: PLAIN BOTH ENDS; Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED; Cross-Sectional Shape Style: ROUND. 9 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.