The Hose,air Duct,air Breathing, cataloged under National Stock Number 4720-01-142-0750, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is R.e. Darling Co., Inc.. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4720-01-142-0750 |
| Primary Part Number | REDAR-A11148-1 |
| Item Name | Hose,air Duct,air Breathing |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | R.e. Darling Co., Inc. |
| Status | ACTIVE |
| Measuring Method and Length | 6.000 INCHES NOMINAL OVERALL IN |
| Connection Style | ROUND FIRST END |
| Connection Type | PREFORMED FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Inside Diameter | 0.750 INCHES NOMINAL FIRST END IN |
| End Overall Length | 1.000 INCHES NOMINAL FIRST END IN |
| End Inside Diameter | 0.859 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 |
| Part Number | Manufacturer |
|---|---|
| REDAR-A11148-1 PRIMARY | R.e. Darling Co., Inc. (USA) |
| 7920041-1 | Conax Florida Corporation (USA) |
| Reference | Meaning |
|---|---|
| 7920041-1 | 5/9 Secondary reference American Safety Flight Systems Inc |
| 8148650 | A/1 Packaging identification reference U.S. Government activity |
NSN 4720-01-142-0750 is a Hose,air Duct,air Breathing, manufactured by R.e. Darling Co., Inc., classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-142-0750 has 2 manufacturer part numbers on file: REDAR-A11148-1 (R.e. Darling Co., Inc.), 7920041-1 (Conax Florida Corporation).
Key specifications for REDAR-A11148-1: Measuring Method and Length: 6.000 INCHES NOMINAL OVERALL IN; Connection Style: ROUND FIRST END; Connection Type: PREFORMED FIRST END; Cross-Sectional Shape Style: ROUND. 7 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.