The Hose,air Duct, cataloged under National Stock Number 4720-01-599-9824, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-599-9824 |
| Primary Part Number | AS1543-16A50 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Measuring Method and Length | 4.88 INCHES MINIMUM OVERALL AND 5.12 INCHES MAXIMUM OVERALL IN |
| Temp Rating | -65.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF |
| Connection Type | PLAIN BOTH ENDS |
| Style Designator | SLEEVE SECTION |
| Material Document and Classification | AS1501, FORM 4, TYPE II ASSN STD SINGLE MATERIAL RESPONSE SINGLE PLY |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.028 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Outside Diameter | 4.046 INCHES MINIMUM AND 4.130 INCHES MAXIMUM BOTH ENDS IN |
| Operating Pressure | 9.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Inside Diameter | 3.99 INCHES MINIMUM AND 4.03 INCHES MAXIMUM BOTH ENDS IN |
| Material | PLASTIC POLYAMIDE NYLON 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 |
|---|---|
| AS1543-16A50 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| SAE-AS1501 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AS1543-16A50 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4720-01-599-9824 is a Hose,air Duct, manufactured by Sae International Dba Sae International, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-599-9824 has 1 manufacturer part number on file: AS1543-16A50 (Sae International Dba Sae International).
Key specifications for AS1543-16A50: Measuring Method and Length: 4.88 INCHES MINIMUM OVERALL AND 5.12 INCHES MAXIMUM OVERALL IN; Temp Rating: -65.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF; Connection Type: PLAIN BOTH ENDS; Style Designator: SLEEVE SECTION. 11 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.