The Bolt,fluid Passage, cataloged under National Stock Number 4730-01-019-2747, 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 Astec America Inc.. Government technical data includes 20 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 | 4730-01-019-2747 |
| Primary Part Number | 356-36450 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Astec America Inc. |
| Status | ACTIVE |
| First End Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Width Across Flats | 0.438 INCHES NOMINAL IN |
| First End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 0.250 INCHES NOMINAL IN |
| Body Style | PLAIN |
| First End Thread Class | 2A A |
| First End Thread Quantity Per Inch | 20 |
| First End Style Designator | PLAIN |
| Concentric Hole Depth | 0.656 INCHES NOMINAL IN |
| Wrenching Feature Height | 0.125 INCHES NOMINAL IN |
| First End Thread Length | 0.500 INCHES NOMINAL IN |
| Wrenching Feature Style | HEXAGON |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 0.781 INCHES NOMINAL IN |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Concentric Hole Diameter | 0.047 INCHES NOMINAL IN |
| First Radial Fluid Hole Diameter | 0.047 INCHES NOMINAL IN |
| Distance From First Radial Hole Center to End of Bolt | 0.562 INCHES NOMINAL IN |
| Material | STEEL |
| First Diameter From Wrenching Feature | 0.250 INCHES NOMINAL IN |
| First End Nominal Thread Size | 0.250 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 |
|---|---|
| 356-36450 PRIMARY | Astec America Inc. (USA) |
NSN 4730-01-019-2747 is a Bolt,fluid Passage, manufactured by Astec America Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-019-2747 has 1 manufacturer part number on file: 356-36450 (Astec America Inc.).
Key specifications for 356-36450: First End Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Width Across Flats: 0.438 INCHES NOMINAL IN; First End Thread Direction: RIGHT-HAND; Length From Bearing Surface of Wrenching Feature to End of First Diameter: 0.250 INCHES NOMINAL IN. 20 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.