The Elbow,tube, cataloged under National Stock Number 4730-01-475-2873, 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 18 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-475-2873 |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | FLARELESS (TUBE) SECOND END |
| Connection Style | SWIVEL NUT FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL)(TUBE) FIRST END |
| Seat Nominal Radius | 0.40 INCHES FIRST END IN |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Material Document and Classification | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES ALL ENDS IN |
| Leg Length | 1.570 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.684 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 1.3125 INCHES ALL ENDS IN |
| Seat Angle | 12.0 DEGREES SECOND END |
| Specification/standard Data | 80205-NAS1762 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A ALL ENDS A |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Material | STEEL COMP 304 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END |
| Thread Series Designator | UNF FIRST 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 |
|---|---|
| NAS1762J1616 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1762 | 5/1 Secondary reference U.S. Government activity |
NSN 4730-01-475-2873 is a Elbow,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-475-2873: Connection Style: FLARELESS (TUBE) SECOND END; Connection Style: SWIVEL NUT FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL)(TUBE) FIRST END; Seat Nominal Radius: 0.40 INCHES FIRST END IN; Connection Type: THREADED EXTERNAL TUBE SECOND END. 18 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.