The Duct,exhaust Outlet, cataloged under National Stock Number 4720-00-778-3701, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Astec Industries Inc Div Astec Ind.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Duct,exhaust Outlet |
| FSC / FSG | 4720 — Hose and Flexible Tubing (FSG 47) |
| Manufacturers | Astec Industries Inc Div Astec Ind. (CAGE 61790) |
| Parameter | Value |
|---|---|
| NSN | 4720-00-778-3701 |
| Primary Part Number | A857-276W |
| Item Name | Duct,exhaust Outlet |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Astec Industries Inc Div Astec Ind. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| A857-276W PRIMARY | Astec Industries Inc Div Astec Ind. (USA) |
| Reference | Meaning |
|---|---|
| 857-276 | 5/9 Secondary reference Barber-Greene Co |
| 857-276 | C/1 Advisory reference — outside the item-of-supply concept Minnpar, Llc Dba Minnpar |
| A857-276W | C/1 Advisory reference — outside the item-of-supply concept Minnpar, Llc Dba Minnpar |
| A857-276W | 5/9 Secondary reference Barber-Greene Co |
NSN 4720-00-778-3701 is a Duct,exhaust Outlet, manufactured by Astec Industries Inc Div Astec Ind., classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-778-3701 has 1 manufacturer part number on file: A857-276W (Astec Industries Inc Div Astec Ind.).
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.