The Elbow,tube, cataloged under National Stock Number 4730-01-689-4733, 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 13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-689-4733 |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTM B695 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE BODY |
| Connection Style | PLAIN (TUBE) SECOND END |
| Connection Style | SWIVEL NUT W/ COMPRESSION SLEEVE (TUBE) FIRST END |
| Nominal Length | 1.42 INCHES FIRST END IN |
| Nominal Length | 1.77 INCHES SECOND END IN |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Connection Type | THREADED INTERNAL TUBE SECOND END |
| Style Designator | ELBOW |
| Material Document and Classification | MIL-DTL -18866 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE BODY |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES ALL ENDS IN |
| Surface Treatment | ZINC BODY |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSE |
| Material | STEEL BODY |
| 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 |
|---|---|
| MIL-DTL-18866 | 4/1 Identification reference U.S. Government activity |
| MS51852-16Z | 2/2 Government specification standardization U.S. Government activity |
| MS51852 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-689-4733 is a Elbow,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-689-4733: Surface Treatment Document and Classification: ASTM B695 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE BODY; Connection Style: PLAIN (TUBE) SECOND END; Connection Style: SWIVEL NUT W/ COMPRESSION SLEEVE (TUBE) FIRST END; Nominal Length: 1.42 INCHES FIRST END IN. 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.