The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-906-5996, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-906-5996 |
| Primary Part Number | 1599630 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| First End Thread Series Designator | UNF |
| Width Across Flats | 0.746 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| First End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 0.281 INCHES NOMINAL IN |
| Third Diameter From Wrenching Feature | 0.360 INCHES NOMINAL IN |
| First End Thread Class | 2A A |
| First End Thread Quantity Per Inch | 20 |
| First End Style Designator | PLAIN |
| Length From Bearing Surface of Wrenching Feature to End of Third Diameter | 0.556 INCHES NOMINAL IN |
| Second Diameter From Wrenching Feature | 0.719 INCHES NOMINAL IN |
| Concentric Hole Depth | 1.500 INCHES NOMINAL IN |
| Wrenching Feature Height | 0.312 INCHES NOMINAL IN |
| First End Thread Length | 0.538 INCHES NOMINAL IN |
| Wrenching Feature Style | HEXAGON |
| Length From Bearing Surface of Wrenching Feature to End of Second Diameter | 0.406 INCHES NOMINAL IN |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 1.593 INCHES NOMINAL IN |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Concentric Hole Diameter | 0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN |
| First Radial Fluid Hole Diameter | 0.062 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN |
| Distance From First Radial Hole Center to End of Bolt | 0.312 INCHES NOMINAL IN |
| Material | STEEL COMP 303 |
| First Diameter From Wrenching Feature | 0.375 INCHES NOMINAL IN |
| First End Nominal Thread Size | 0.438 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 |
| Part Number | Manufacturer |
|---|---|
| 1599630 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 4730-00-906-5996 is a Bolt,fluid Passage, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-906-5996 has 1 manufacturer part number on file: 1599630 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1599630: First End Thread Series Designator: UNF; Width Across Flats: 0.746 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; First End Thread Direction: RIGHT-HAND; Length From Bearing Surface of Wrenching Feature to End of First Diameter: 0.281 INCHES NOMINAL IN. 23 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.