The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-348-5335, 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 28 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-348-5335 |
| 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 | 0.750 INCHES NOMINAL IN |
| First End Thread Direction | RIGHT-HAND |
| Second End Nominal Thread Size | 0.437 INCHES IN |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 0.191 INCHES NOMINAL IN |
| Second End Thread Class | 3A A |
| Third Diameter From Wrenching Feature | 0.560 INCHES NOMINAL IN |
| Body Style | BODY WRENCHING |
| First End Thread Class | 3A A |
| First End Style Designator | PLAIN |
| Length From Bearing Surface of Wrenching Feature to End of Third Diameter | 0.379 INCHES NOMINAL IN |
| Second Diameter From Wrenching Feature | 0.386 INCHES NOMINAL IN |
| Concentric Hole Depth | 1.320 INCHES NOMINAL IN |
| Wrenching Feature Height | 0.188 INCHES NOMINAL IN |
| Second End Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| First End Thread Length | 0.325 INCHES NOMINAL IN |
| Wrenching Feature Style | HEXAGON |
| Material Document and Classification | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE |
| Second End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to End of Second Diameter | 0.332 INCHES NOMINAL IN |
| Second End Style Designator | EXTERNAL SEAT FOR GASKET SEAL (BOSS) |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 1.278 INCHES NOMINAL IN |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Concentric Hole Diameter | 0.206 INCHES NOMINAL IN |
| First Radial Fluid Hole Diameter | 0.200 INCHES NOMINAL IN |
| Length From Bearing Surface of Wrenching Feature to End of Fourth Diameter | 0.579 INCHES NOMINAL IN |
| Distance From First Radial Hole Center to End of Bolt | 1.106 INCHES NOMINAL IN |
| Material | STEEL COMP 303S OR STEEL COMP 303SE |
| 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 |
|---|---|
| 725992 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-348-5335 is a Bolt,fluid Passage, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-348-5335: First End Thread Series Designator: UNF; Width Across Flats: 0.750 INCHES NOMINAL IN; First End Thread Direction: RIGHT-HAND; Second End Nominal Thread Size: 0.437 INCHES IN. 28 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.