The Hose Assembly,air Breathing, cataloged under National Stock Number 4720-01-588-9355, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-588-9355 |
| Primary Part Number | MD56020TFSB000 OXYGEN CLEAN CP |
| Item Name | Hose Assembly,air Breathing |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| MD56020TFSB000 OXYGEN CLEAN CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| MD56020TFSB000 OXYGEN CLEAN | 3/1 Design control — primary reference U.s. Hose Corp |
| MD56020TFSB000 OXYGEN CLEAN CP | 5/1 Secondary reference U.s. Hose Corp |
NSN 4720-01-588-9355 is a Hose Assembly,air Breathing, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-588-9355 has 1 manufacturer part number on file: MD56020TFSB000 OXYGEN CLEAN CP (Naval Inventory Control Point Mechanicsburg).
Key specifications for MD56020TFSB000 OXYGEN CLEAN CP: Criticality Code Justification: ZZZY; Special Features: HOSE ASSY, 1.25 INCH (1-1/4INCH NOMINAL SMOOTH BORE, FEP INNER CORE, DOGLEG CONFIGURATION, JIC FEMALE SWIVEL WITH MONEL 400 BRAZE ADAPTER X RFSO CLASS 150 POUND FLANGE, DUAL PLANE BENDS) LBS; End Item Identification: COMPRESSOR RECYCLE MODULE OXYGEN SERVICE.; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D.. 2 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.