The Elbow,hose, cataloged under National Stock Number 4730-00-692-1878, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Smith and Smith Aircraft Co. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-692-1878 |
| Primary Part Number | 159-48029 |
| Item Name | Elbow,hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Smith and Smith Aircraft Co |
| Status | ACTIVE |
| Flow Angle | 38.5 DEGREES |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-5541 FED SPEC 2ND TREATMENT RESPONSE OR MIL-P-8585 MIL SPEC 3RD TREATMENT RESPONSE OVERALL |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Material Document and Classification | QQ-A-601 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Operating Pressure | 35.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.031 INCHES NOMINAL SECOND END IN |
| Leg Length | 3.688 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 1.062 INCHES ALL ENDS IN |
| Surface Treatment | ANODIZE OR OXIDE FILM OR CHROMATE ZINC OVERALL |
| Media for Which Designed | OIL SINGLE RESPONSE |
| Thread Class | 3A SECOND END A |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Material | ALUMINUM ALLOY 355.0 OVERALL |
| Thread Series Designator | UN 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 |
| Part Number | Manufacturer |
|---|---|
| 159-48029 PRIMARY | Smith and Smith Aircraft Co (USA) |
| Reference | Meaning |
|---|---|
| 159-48029 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-692-1878 is a Elbow,hose, manufactured by Smith and Smith Aircraft Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-692-1878 has 1 manufacturer part number on file: 159-48029 (Smith and Smith Aircraft Co).
Key specifications for 159-48029: Flow Angle: 38.5 DEGREES; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-5541 FED SPEC 2ND TREATMENT RESPONSE OR MIL-P-8585 MIL SPEC 3RD TREATMENT RESPONSE OVERALL; Connection Type: THREADED EXTERNAL TUBE FIRST END; Connection Type: THREADED EXTERNAL TUBE SECOND END. 15 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.