The Tee,boss, cataloged under National Stock Number 4730-01-379-7206, 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 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-379-7206 |
| Item Name | Tee,boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-83488, CL 3 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | GASKET SEAL (BOSS) ALL ENDS |
| Connection Type | THREADED INTERNAL BOSS ALL ENDS |
| Leg Length | 0.812 INCHES NOMINAL ALL ENDS IN |
| Nominal Thread Size | 0.562 INCHES ALL ENDS IN |
| Thread Class | 3B ALL ENDS |
| Material | ALUMINUM ALLOY OVERALL |
| 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 |
|---|---|
| 7M637DH-D6 | 5/9 Secondary reference The Boeing Company Div Defense |
| 7M637DH-D6 | 3/9 Design control — primary reference Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
NSN 4730-01-379-7206 is a Tee,boss, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-379-7206: Surface Treatment Document and Classification: MIL-C-83488, CL 3 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: GASKET SEAL (BOSS) ALL ENDS; Connection Type: THREADED INTERNAL BOSS ALL ENDS; Leg Length: 0.812 INCHES NOMINAL ALL ENDS IN. 8 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.