The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-00-407-6553, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-407-6553 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Measuring Method and Length | 40.750 INCHES NOMINAL OVERALL IN |
| Temp Rating | -40.0 FAHRENHEIT AND 160.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flange Thickness | 0.297 INCHES NOMINAL FIRST END IN |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | RECESSED FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| End Connection Design | STRAIGHT SECOND END |
| Layer Composition and Location | OUTER LAYER MOLDED RUBBER, CHLOROPRENE AND 1ST LAYER BRAIDED COTTON CORD |
| Connection Type | RECESSED FLANGE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Bolt Hole Diameter | 0.328 INCHES NOMINAL FIRST END IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 2.656 INCHES MINIMUM AND 2.781 INCHES MAXIMUM IN |
| Operating Pressure | 45.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Recess Depth | 0.168 INCHES NOMINAL FIRST END IN |
| Features Provided | SELF-SEALING |
| Flange Length | 3.000 INCHES NOMINAL FIRST END IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Nominal Thread Size | 0.625 INCHES SECOND END IN |
| Recess Diameter | 2.760 INCHES NOMINAL FIRST END IN |
| Inside Diameter | 2.000 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Bolt Hole Quantity | 4 FIRST END |
| Center to Center Distance Between Bolt Holes Along Length | 2.375 INCHES NOMINAL FIRST END IN |
| Center to Center Distance Between Bolt Holes Along Width | 2.375 INCHES NOMINAL FIRST END IN |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Flange Width | 3.000 INCHES NOMINAL FIRST END IN |
| Hydrostatic Test Pressure | 75.0 POUNDS PER SQUARE INCH LBS |
| Thread Class | 1A SECOND END A |
| 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 |
|---|---|
| 161501-32-0406 | 5/2 Secondary reference U.S. Government activity |
| 202-20020AB0406 | 7/2 Vendor item drawing reference U.S. Government activity |
| 161501-32-406 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4720-00-407-6553 is a Hose Assembly,nonmetallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-00-407-6553: Measuring Method and Length: 40.750 INCHES NOMINAL OVERALL IN; Temp Rating: -40.0 FAHRENHEIT AND 160.0 FAHRENHEIT SINGLE RESPONSE DEGF; Flange Thickness: 0.297 INCHES NOMINAL FIRST END IN; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END. 29 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.