The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-01-344-5654, 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 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-344-5654 |
| Item Name | Adapter,straight,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 TUBE COUPLING NUT W/SLEEVE AND 1 FLAT WASHER AND 1 PREFORMED PACKING |
| Thread Tolerance Class | 6G EXTERNAL SECOND END G |
| Thread Tolerance Class | 6G EXTERNAL FIRST END G |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Thread Pitch in Millimeters | 2.0 FIRST END |
| Thread Pitch in Millimeters | 2.0 SECOND END |
| Nominal Overall Length | 51.5 MILLIMETERS MM |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Nominal Outside Diameter Tube Accommodated | 25.0 MILLIMETERS FIRST END MM |
| Nominal Thread Size | 33.0 MILLIMETERS FIRST END MM |
| Nominal Thread Size | 33.0 MILLIMETERS SECOND END MM |
| Seat Angle | 37.0 DEGREES FIRST END |
| Material | STEEL OVERALL |
| Thread Series Designator | ISO M SECOND END |
| Thread Series Designator | ISO M FIRST 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 |
|---|---|
| F8BX-S 25-M33X2 | 3/9 Design control — primary reference U.S. Government activity |
| F8BX-S 25-M33X2 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
NSN 4730-01-344-5654 is a Adapter,straight,tube to Boss, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-344-5654: Furnished Items and Quantity: 1 TUBE COUPLING NUT W/SLEEVE AND 1 FLAT WASHER AND 1 PREFORMED PACKING; Thread Tolerance Class: 6G EXTERNAL SECOND END G; Thread Tolerance Class: 6G EXTERNAL FIRST END G; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END. 17 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.