The Elbow,swivel Flange to Tube, cataloged under National Stock Number 4730-01-694-6166, 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 Sae International Dba Sae International. Government technical data includes 23 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-694-6166 |
| Primary Part Number | SAE J1453-3 4-4 520281S |
| Item Name | Elbow,swivel Flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Nominal Pipe Size Accommodated | 0.5625 INCHES SECOND END IN |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | GASKET SEAL (PIPE) FIRST END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Style Designator | ELBOW |
| Operating Pressure | 5990.06 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.617 INCHES NOMINAL FIRST END IN |
| Leg Length | 2.013 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 0.4375 INCHES SECOND END IN |
| Nominal Thread Size | 0.5625 INCHES FIRST END IN |
| Specification/standard Data | 0U583-SAE J1453-3 NATIONAL STD/SPEC |
| Nondefinitive Spec/std Data | 37 FIGURE |
| Nominal Outside Diameter | 0.4375 INCHES FIRST END IN |
| Nominal Outside Diameter | 0.5625 INCHES SECOND END IN |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSE |
| Thread Class | 2A SECOND END A |
| Thread Quantity Per Inch | 20 SECOND END |
| Thread Quantity Per Inch | 18 FIRST END |
| Material | STEEL BODY |
| Thread Series Designator | UN FIRST END |
| Thread Series Designator | UNF 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 |
| Part Number | Manufacturer |
|---|---|
| SAE J1453-3 4-4 520281S PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| 4-4 520281S | 3/9 Design control — primary reference U.S. Government activity |
| 4-4 520281S | 5/9 Secondary reference Sae International Dba Sae International |
| SAE J1453-3 4-4 520281S | 5/9 Secondary reference U.S. Government activity |
| J1453-3 | 5/1 Secondary reference Sae International Dba Sae International |
| SAE-J1453/3 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 4730-01-694-6166 is a Elbow,swivel Flange to Tube, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-694-6166 has 1 manufacturer part number on file: SAE J1453-3 4-4 520281S (Sae International Dba Sae International).
Key specifications for SAE J1453-3 4-4 520281S: Flow Angle: 90.0 DEGREES; Nominal Pipe Size Accommodated: 0.5625 INCHES SECOND END IN; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: GASKET SEAL (PIPE) FIRST END. 23 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.