The Hose,air Duct, cataloged under National Stock Number 4720-01-654-4531, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-654-4531 |
| Primary Part Number | AS1503-08A0072 |
| 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 | 7.5 INCHES NOMINAL OVERALL IN |
| Temp Rating | -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF |
| Minimum Inside Bending Radius | 2.0 INCHES IN |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.040 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Outside Diameter | 2.5 INCHES MAXIMUM BOTH ENDS IN |
| Operating Pressure | 30.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Inside Diameter | 2.0 INCHES NOMINAL BOTH ENDS IN |
| Material | STEEL REINFORCING WIRE |
| Material | RUBBER CHLOROPRENE CLASS CR AND FIBERGLASS 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 |
|---|---|
| AS1503-08A0072 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS1503 | 5/9 Secondary reference U.S. Government activity |
| AS1503 | 5/1 Secondary reference Sae International Dba Sae International |
| SAE-AS1501 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AS1503-08A0072 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4720-01-654-4531 is a Hose,air Duct, manufactured by Sae International Dba Sae International, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-654-4531 has 1 manufacturer part number on file: AS1503-08A0072 (Sae International Dba Sae International).
5 possible matches (shared part number, not a government interchangeability claim): 4720-01-692-1439, 4720-01-729-7399, 4720-01-729-7415. Verify interchangeability with system specifications before substitution.
Key specifications for AS1503-08A0072: Measuring Method and Length: 7.5 INCHES NOMINAL OVERALL IN; Temp Rating: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF; Minimum Inside Bending Radius: 2.0 INCHES IN; Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED. 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.