The Tee,tube to Boss, cataloged under National Stock Number 4730-01-217-3129, 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 24 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-217-3129 |
| Item Name | Tee,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | FLARED (TUBE) FIRST END |
| Connection Style | GASKET SEAL (BOSS) SECOND END |
| Connection Style | FLARED (TUBE) THIRD END |
| Connection Type | THREADED EXTERNAL TUBE THIRD END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED INTERNAL BOSS SECOND END |
| Material Document and Classification | AMS5659 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES THIRD END IN |
| Leg Length | 1.090 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.090 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.800 INCHES NOMINAL THIRD END IN |
| Nominal Thread Size | 0.5625 INCHES THIRD END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Seat Angle | 37.0 DEGREES THIRD END |
| Sweep Type | LONG |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSE |
| Thread Class | 3A FIRST END A |
| Thread Class | 3A THIRD END A |
| Thread Class | 3B SECOND END |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) THIRD END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) 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 |
| Reference | Meaning |
|---|---|
| 458-52447-1 | 5/2 Secondary reference U.S. Government activity |
| 458-52447-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-217-3129 is a Tee,tube to Boss, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-217-3129: Connection Style: FLARED (TUBE) FIRST END; Connection Style: GASKET SEAL (BOSS) SECOND END; Connection Style: FLARED (TUBE) THIRD END; Connection Type: THREADED EXTERNAL 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.