The Tee,tube, cataloged under National Stock Number 4730-01-706-6577, 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 16 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-706-6577 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS-QQ-P-416 INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE TEE |
| Connection Style | EXTERNAL ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Style Designator | TEE |
| Material Document and Classification | AMS6370 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OR AMS-S-6758 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE TEE |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.4375 INCHES SECOND END IN |
| Nominal Thread Size | 0.7500 INCHES FIRST END IN |
| Nominal Thread Size | 0.7500 INCHES THIRD END IN |
| Surface Treatment | CADMIUM TEE |
| Thread Class | 3A ALL ENDS A |
| Thread Quantity Per Inch | 16 FIRST END |
| Thread Quantity Per Inch | 16 THIRD END |
| Thread Quantity Per Inch | 20 SECOND END |
| Material | STEEL COMP 4130 TEE |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) 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 |
| Reference | Meaning |
|---|---|
| AS1009F080408 | 5/9 Secondary reference Sae International Dba Sae International |
| AS1009F080408 | 3/2 Design control — primary reference U.S. Government activity |
| AS1009 | 5/9 Secondary reference Sae International Dba Sae International |
NSN 4730-01-706-6577 is a Tee,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-706-6577: Surface Treatment Document and Classification: AMS-QQ-P-416 INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE TEE; Connection Style: EXTERNAL ALL ENDS; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Style Designator: TEE. 16 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.