The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-629-3658, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-629-3658 |
| 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 |
| Connection Style | SWIVEL NUT FLARE ALL ENDS |
| End Connection Design | STRAIGHT ALL ENDS |
| Connection Type | THREADED INTERNAL TUBE ALL ENDS |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.250 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Seat Angle | 37.00 DEGREES ALL ENDS |
| Inside Diameter | 0.236 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Thread Class | 3B ALL ENDS |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
| 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 |
|---|---|
| 170001-4CR-6000 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4720-01-629-3658 is a Hose Assembly,nonmetallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-01-629-3658: Measuring Method and Length: 600.000 INCHES NOMINAL OVERALL IN; Connection Style: SWIVEL NUT FLARE ALL ENDS; End Connection Design: STRAIGHT ALL ENDS; Connection Type: THREADED INTERNAL TUBE ALL ENDS. 13 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.