The Tee,tube to Boss, cataloged under National Stock Number 4730-01-319-7574, 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 24 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-319-7574 |
| Primary Part Number | SAE J1453-3 8-8-8 520428CA |
| Item Name | Tee,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 PREFORMED PACKING AND 1 LOCKNUT AND 1 TUBE COUPLING NUT AND 1 FERRULE SLEEVE |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | GASKET SEAL (TUBE) FIRST END |
| Connection Style | GASKET SEAL (TUBE) THIRD END |
| Connection Type | THREADED EXTERNAL TUBE THIRD END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES THIRD END IN |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST END IN |
| Operating Pressure | 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.100 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.600 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.100 INCHES NOMINAL THIRD END IN |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Nominal Thread Size | 0.750 INCHES THIRD END IN |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A SECOND END A |
| Thread Class | 2A FIRST END A |
| Thread Class | 2A THIRD END A |
| Material | STEEL COMP 1010 OVERALL |
| Thread Series Designator | UNF THIRD END |
| Thread Series Designator | UNF 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 |
|---|---|
| 5D3-02476 ITEM 6 | Lake Shore Systems, Inc. (USA) |
| SAE J1453-3 8-8-8 520428CA PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| SAE-J1453/3 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 8-8-8 520428CA | 3/9 Design control — primary reference U.S. Government activity |
| 8-R5BL-S | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| 8-R5BL-S | 5/9 Secondary reference U.S. Government activity |
| 8-8-8 520428CA | 5/9 Secondary reference Sae International Dba Sae International |
| 5D3-02476 | D/9 Drawing number reference only Lake Shore Systems, Inc. |
NSN 4730-01-319-7574 is a Tee,tube to Boss, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-319-7574 has 2 manufacturer part numbers on file: 5D3-02476 ITEM 6 (Lake Shore Systems, Inc.), SAE J1453-3 8-8-8 520428CA (Sae International Dba Sae International).
Key specifications for SAE J1453-3 8-8-8 520428CA: Furnished Items and Quantity: 1 PREFORMED PACKING AND 1 LOCKNUT AND 1 TUBE COUPLING NUT AND 1 FERRULE SLEEVE; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: GASKET SEAL (TUBE) FIRST END; Connection Style: GASKET SEAL (TUBE) THIRD END. 24 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.