The Hose Assembly,air Breathing, cataloged under National Stock Number 4720-00-787-8434, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-787-8434 |
| Item Name | Hose Assembly,air Breathing |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Style Designator | SLEEVE SECTION |
| 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 | 0.047 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN |
| Operating Pressure | 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Departure From Cited Document | AS MODIFIED BY OVER LENGTH |
| Inside Diameter | 0.406 INCHES NOMINAL FIRST END IN |
| Material | STEEL CORROSION RESISTING REINFORCING WIRE |
| Material | PLASTIC SINGLE PLY |
| Material | STEEL CORROSION RESISTING OR ALUMINUM FIRST END COUPLING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 13000008-12 | 5/1 Secondary reference Smiths Tubular Systems-Laconia, Inc. |
| 124392-8CR-12 | 5/9 Secondary reference U.S. Government activity |
| AE1010010H-12 | 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 |
| M26626-8-12 | 2/2 Government specification standardization U.S. Government activity |
| MIL-PRF-26626 | 4/1 Identification reference U.S. Government activity |
| 124392-8CR-0120 | 5/1 Secondary reference U.S. Government activity |
| MIL-H-26626 | 5/9 Secondary reference U.S. Government activity |
| MS24548-8-12 | 5/9 Secondary reference U.S. Government activity |
| R3800CCX8-0120 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division |
NSN 4720-00-787-8434 is a Hose Assembly,air Breathing, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-00-787-8434: Criticality Code Justification: FEAT; Style Designator: SLEEVE SECTION; 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. 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.