The Tee,tube to Boss, cataloged under National Stock Number 4730-01-652-2390, 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 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-652-2390 |
| Primary Part Number | SAE J1453-3 4-4-4 520428CN |
| 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 |
| Connection Style | GASKET SEAL (TUBE) FIRST END |
| Connection Style | DOUBLE THREADED SECTION W/ GASKET AND LOCKNUT SEALING (BOSS) SECOND 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 | 0.25 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.25 INCHES THIRD END IN |
| Leg Length | 0.846 INCHES NOMINAL THIRD END IN |
| Leg Length | 1.279 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 0.4375 INCHES SECOND END IN |
| Nominal Thread Size | 0.5625 INCHES FIRST END IN |
| Nominal Thread Size | 0.5625 INCHES THIRD END IN |
| Thread Class | 2A ALL ENDS A |
| Thread Quantity Per Inch | 20 SECOND END |
| Thread Quantity Per Inch | 18 FIRST END |
| Thread Quantity Per Inch | 18 THIRD END |
| Material | STEEL BODY |
| Material | RUBBER GASKET |
| Thread Series Designator | UNF 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 |
|---|---|
| SAE J1453-3 4-4-4 520428CN PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| SAE-J1453/3 | 3/1 Design control — primary reference Sae International Dba Sae International |
| SAE J1453-3 4-4-4 520428CN | 3/9 Design control — primary reference U.S. Government activity |
NSN 4730-01-652-2390 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 4730-01-652-2390 has 1 manufacturer part number on file: SAE J1453-3 4-4-4 520428CN (Sae International Dba Sae International).
Key specifications for SAE J1453-3 4-4-4 520428CN: Connection Style: GASKET SEAL (TUBE) FIRST END; Connection Style: DOUBLE THREADED SECTION W/ GASKET AND LOCKNUT SEALING (BOSS) SECOND END; Connection Style: GASKET SEAL (TUBE) THIRD END; Connection Type: THREADED EXTERNAL TUBE THIRD END. 20 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.