The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-520-8812, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-520-8812 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Measuring Method and Length | 82.000 INCHES NOMINAL WORKING IN |
| Minimum Inside Bending Radius | 0.750 INCHES IN |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| Vacuum in Torr | 101.6 |
| Layer Composition and Location | OUTER LAYER RUBBER IMPREGNATED FABRIC AND 1ST LAYER BRAIDED WIRE AND 2ND LAYER RUBBER IMPREGNATED BRAIDED FABRIC |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.484 INCHES NOMINAL IN |
| Features Provided | REUSABLE END FITTINGS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.437 INCHES FIRST END IN |
| Specification/standard Data | MS52103E AND MIL DTL 13444G, TYPE III GOVERNMENT SPECIFICATION G |
| Inside Diameter | 0.187 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Burst Test Pressure | 6000.0 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 20 FIRST END |
| Outer Covering Environmental Protection | OIL RESISTANT AND FUEL RESISTANT AND VIBRATION RESISTANT AND MILDEW 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 |
|---|---|
| B1.1 | 5/1 Secondary reference U.S. Government activity |
| MIL-DTL-13444G | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-13444 | 4/1 Identification reference U.S. Government activity |
| B18.2.2 | 5/1 Secondary reference U.S. Government activity |
| J516 | 5/1 Secondary reference Sae International Dba Sae International |
| J516 | 5/9 Secondary reference U.S. Government activity |
| MS52103A-040820R | 2/2 Government specification standardization U.S. Government activity |
NSN 4720-01-520-8812 is a Hose Assembly,nonmetallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-01-520-8812: Measuring Method and Length: 82.000 INCHES NOMINAL WORKING IN; Minimum Inside Bending Radius: 0.750 INCHES IN; Connection Style: SWIVEL NUT FLARE FIRST END; Vacuum in Torr: 101.6. 17 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.