The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-440-4975, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-440-4975 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Measuring Method and Length | 600.000 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 4.000 INCHES IN |
| Layer Composition and Location | 1ST LAYER HELIX WIRE COIL AND 2ND LAYER HELIX WIRE COIL AND OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.625 INCHES NOMINAL IN |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | REUSABLE END FITTINGS |
| Inside Diameter | 1.000 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Hydrostatic Test Pressure | 150.0 POUNDS PER SQUARE INCH LBS |
| Burst Test Pressure | 500.0 POUNDS PER SQUARE INCH LBS |
| Outer Covering Environmental Protection | FUEL RESISTANT AND OXIDATION RESISTANT AND LIGHT RESISTANT AND OIL RESISTANT |
| 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 |
|---|---|
| AA52554-B03B360 | C/1 Advisory reference — outside the item-of-supply concept Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| MIL-PRF-370 | 4/1 Identification reference U.S. Government activity |
| A-A-52554B03B36000 | 5/9 Secondary reference American Portable Systems Inc |
| M370B03B3C6000 | 5/9 Secondary reference U.S. Government activity |
| M370B031B0500B | 2/2 Government specification standardization U.S. Government activity |
NSN 4720-01-440-4975 is a Hose Assembly,nonmetallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-01-440-4975: Measuring Method and Length: 600.000 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 4.000 INCHES IN; Layer Composition and Location: 1ST LAYER HELIX WIRE COIL AND 2ND LAYER HELIX WIRE COIL AND OUTER LAYER MOLDED RUBBER, SYNTHETIC; Connection Type: THREADED EXTERNAL TUBE SECOND END. 14 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.