The Tee,tube to Boss, cataloged under National Stock Number 4730-01-131-0823, 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16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-131-0823 |
| Item Name | Tee,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 PLUG |
| Connection Style | GASKET SEAL (BOSS) THIRD END |
| Connection Style | FLARELESS (TUBE) FIRST END |
| Connection Type | THREADED INTERNAL BOSS THIRD END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Material Document and Classification | QQ-A-225/8 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Leg Length | 0.940 INCHES NOMINAL SECOND END IN |
| Leg Length | 2.299 INCHES NOMINAL THIRD END IN |
| Leg Length | 2.484 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.562 INCHES THIRD END IN |
| Nominal Thread Size | 0.562 INCHES FIRST END IN |
| Seat Angle | 45.0 DEGREES FIRST END |
| Thread Class | 3A FIRST END A |
| Thread Class | 3B THIRD END |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| 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 |
|---|---|
| 232-30622-1 | 3/2 Design control — primary reference U.S. Government activity |
| 232-30566-1 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-131-0823 is a Tee,tube to Boss, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-131-0823: Furnished Items and Quantity: 1 PLUG; Connection Style: GASKET SEAL (BOSS) THIRD END; Connection Style: FLARELESS (TUBE) FIRST END; Connection Type: THREADED INTERNAL BOSS THIRD END. 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.