The Hose,air Duct, cataloged under National Stock Number 4720-01-248-5184, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-248-5184 |
| Primary Part Number | 2680-1228 ITEM 1 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Measuring Method and Length | 2.500 INCHES NOMINAL OVERALL IN |
| Inside Width | 6.000 INCHES NOMINAL FIRST END IN |
| Inside Length | 10.000 INCHES NOMINAL FIRST END IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Material | RUBBER CHLOROPRENE CLASS CR 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 |
|---|---|
| 501-5927913 ITEM 1 | Naval Sea Systems Command (USA) |
| 2680-1228 ITEM 1 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 501-5927913 | D/9 Drawing number reference only Naval Sea Systems Command |
| 501-5927913 ITE | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 4720-01-248-5184 is a Hose,air Duct, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-248-5184 has 2 manufacturer part numbers on file: 501-5927913 ITEM 1 (Naval Sea Systems Command), 2680-1228 ITEM 1 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 2680-1228 ITEM 1: Measuring Method and Length: 2.500 INCHES NOMINAL OVERALL IN; Inside Width: 6.000 INCHES NOMINAL FIRST END IN; Inside Length: 10.000 INCHES NOMINAL FIRST END IN; Cross-Sectional Shape Style: RECTANGULAR. 5 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.