The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-709-0379, 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 29 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-00-709-0379 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| First End Thread Series Designator | UNF |
| Width Across Flats | 0.688 INCHES NOMINAL IN |
| First End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 0.094 INCHES NOMINAL IN |
| Third Diameter From Wrenching Feature | 0.325 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN |
| First End Thread Class | 3A A |
| First End Thread Quantity Per Inch | 20 |
| Length From Bearing Surface of Wrenching Feature to End of Third Diameter | 0.530 INCHES NOMINAL IN |
| Second Diameter From Wrenching Feature | 0.434 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN |
| Concentric Hole Depth | 0.980 INCHES NOMINAL IN |
| Wrenching Feature Height | 0.188 INCHES NOMINAL IN |
| Hardness Rating | 23.0 ROCKWELL C NOMINAL |
| First End Thread Length | 0.331 INCHES NOMINAL IN |
| Wrenching Feature Style | HEXAGON |
| Material Document and Classification | MIL-S-6758,COND C4 MIL SPEC SINGLE MATERIAL RESPONSE |
| Length From Bearing Surface of Wrenching Feature to End of Second Diameter | 0.330 INCHES NOMINAL IN |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 1.266 INCHES NOMINAL IN |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Concentric Hole Diameter | 0.172 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM |
| Minimum Tensile Strength | 115000 POUNDS PER SQUARE INCH LBS |
| First Radial Fluid Hole Diameter | 0.172 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN |
| Length From Bearing Surface of Wrenching Feature to End of Fourth Diameter | 0.860 INCHES NOMINAL IN |
| Distance From First Radial Hole Center to End of Bolt | 0.836 INCHES NOMINAL IN |
| Material | STEEL COMP 4130 |
| Fifth Diameter From Wrenching Feature | 0.325 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN |
| Length From Bearing Surface of Wrenching Feature to End of Fifth Diameter | 0.935 INCHES NOMINAL IN |
| First Diameter From Wrenching Feature | 0.325 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN |
| First End Nominal Thread Size | 0.437 INCHES IN |
| 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 |
|---|---|
| 47-691-093-5 | 3/2 Design control — primary reference U.S. Government activity |
| 4730H13-000 | 5/2 Secondary reference U.S. Government activity |
| T0379 | 5/9 Secondary reference Tossco Inc |
NSN 4730-00-709-0379 is a Bolt,fluid Passage, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-709-0379: First End Thread Series Designator: UNF; Width Across Flats: 0.688 INCHES NOMINAL IN; First End Thread Direction: RIGHT-HAND; Length From Bearing Surface of Wrenching Feature to End of First Diameter: 0.094 INCHES NOMINAL IN. 29 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.