The Bolt,fluid Passage, cataloged under National Stock Number 4730-01-319-7793, 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 13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-319-7793 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| First End Thread Series Designator | UNF |
| First End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN |
| Body Style | BODY WRENCHING |
| Wrenching Feature Height | 0.179 INCHES MINIMUM IN |
| First End Thread Length | 0.433 INCHES MINIMUM IN |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 1.188 INCHES NOMINAL IN |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Concentric Hole Diameter | 0.172 INCHES NOMINAL IN |
| First Radial Fluid Hole Diameter | 0.188 INCHES NOMINAL IN |
| Distance From First Radial Hole Center to End of Bolt | 0.776 INCHES MINIMUM AND 0.786 INCHES MAXIMUM IN |
| Material | STEEL COMP 302 |
| First Diameter From Wrenching Feature | 0.435 INCHES NOMINAL 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 |
|---|---|
| AN774J4 | 2/2 Government specification standardization U.S. Government activity |
| AN774-4C | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-6001 | 4/1 Identification reference U.S. Government activity |
NSN 4730-01-319-7793 is a Bolt,fluid Passage, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-319-7793: First End Thread Series Designator: UNF; First End Thread Direction: RIGHT-HAND; Length From Bearing Surface of Wrenching Feature to End of First Diameter: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN; Body Style: BODY WRENCHING. 13 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.