The Elbow,tube to Hose, cataloged under National Stock Number 4730-01-686-8686, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-686-8686 |
| Item Name | Elbow,tube to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Connection Style | SWIVEL NUT, GASKET SEAL (TUBE) SECOND END |
| Connection Style | SOCKET (HOSE) FIRST END |
| Nominal Inside Diameter Hose Accommodated | 0.50 INCHES FIRST END IN |
| Connection Type | THREADED INTERNAL TUBE SECOND END |
| Connection Type | UNTHREADED INTERNAL HOSE FIRST END |
| Style Designator | ELBOW |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES SECOND END IN |
| Leg Length | 0.90 INCHES NOMINAL SECOND END IN |
| Leg Length | 2.53 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.625 INCHES SECOND END IN |
| Thread Quantity Per Inch | 16 SECOND END |
| 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 |
|---|---|
| 1J943-6-8 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-686-8686 is a Elbow,tube to Hose, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-686-8686: Flow Angle: 90.0 DEGREES; Connection Style: SWIVEL NUT, GASKET SEAL (TUBE) SECOND END; Connection Style: SOCKET (HOSE) FIRST END; Nominal Inside Diameter Hose Accommodated: 0.50 INCHES FIRST END IN. 12 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.