The Hose Assembly,air Breathing, cataloged under National Stock Number 4720-00-006-0429, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4720-00-006-0429 |
| Primary Part Number | 128SCES111-1 |
| Item Name | Hose Assembly,air Breathing |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Connection Type | THREADED FIRST END |
| Connection Type | THREADED SECOND END |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Coupling Style | THREADED INTERNAL SECOND END |
| Coupling Style | CONNECTOR, OXYGEN HOSE TO REGULATOR (NOTE: APPLICABLE TO HOSE ASSEMBLY, AIR BREATHING ONLY.) FIRST END |
| Cross-Sectional Shape Style | ROUNDROUND |
| Features Provided | COMMUNICATION CABLE |
| Inside Diameter | 0.250 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 |
|---|---|
| 128SCES111-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| REDAR-A10867-01 | R.e. Darling Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| REDAR-A10867-1 | 5/9 Secondary reference R.e. Darling Co., Inc. |
| 128SCES111-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 4720-00-006-0429 is a Hose Assembly,air Breathing, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-006-0429 has 2 manufacturer part numbers on file: 128SCES111-1 (Northrop Grumman Systems Corporation), REDAR-A10867-01 (R.e. Darling Co., Inc.).
Key specifications for 128SCES111-1: Connection Type: THREADED FIRST END; Connection Type: THREADED SECOND END; Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED; Coupling Style: THREADED INTERNAL SECOND END. 8 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.