The Hose Assembly,air Breathing, cataloged under National Stock Number 4720-00-243-7730, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 13 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-243-7730 |
| Item Name | Hose Assembly,air Breathing |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Measuring Method and Length | 20.000 INCHES NOMINAL OVERALL IN |
| Material Document and Classification | QQ-W-423,FORM 1,COMP 302,COND 3 FED SPEC SINGLE MATERIAL RESPONSE REINFORCING WIRE |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.043 INCHES NOMINAL IN |
| Operating Pressure | 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Inside Diameter | 0.406 INCHES NOMINAL FIRST END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 13000008-20 | 5/1 Secondary reference Smiths Tubular Systems-Laconia, Inc. |
| AE1010010H-20 | 5/1 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| 8148650 | D/9 Drawing number reference only U.S. Government activity |
| 124392-8CR-0200 | 5/1 Secondary reference U.S. Government activity |
| TF169-8-0200 | 5/9 Secondary reference Hyspan Precision Products, Inc. |
| MIL-PRF-26626 | 5/9 Secondary reference U.S. Government activity |
| R660003-8-0200 | 5/9 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| MIL-PRF-26626 | 4/1 Identification reference U.S. Government activity |
| M26626-8-20 | 2/2 Government specification standardization U.S. Government activity |
| MIL-H-26626 | 5/9 Secondary reference U.S. Government activity |
| MS24548-8-20 | 5/9 Secondary reference U.S. Government activity |
| M26626-8-020 | 5/9 Secondary reference U.S. Government activity |
| 124392-8CR-20 | 5/9 Secondary reference U.S. Government activity |
NSN 4720-00-243-7730 is a Hose Assembly,air Breathing, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-00-243-7730: Measuring Method and Length: 20.000 INCHES NOMINAL OVERALL IN; Material Document and Classification: QQ-W-423,FORM 1,COMP 302,COND 3 FED SPEC SINGLE MATERIAL RESPONSE REINFORCING WIRE; Cross-Sectional Shape Style: ROUND; Wall Thickness: 0.043 INCHES NOMINAL IN. 6 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.