The Bolt,fluid Passage, cataloged under National Stock Number 4730-01-190-5889, 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29 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-190-5889 |
| 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 |
| Second End Nominal Thread Size | 0.250 INCHES IN |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 1.470 INCHES NOMINAL IN |
| Second End Thread Class | 3B |
| Body Style | SHOULDER |
| Distance From Centerline to Flat | 0.340 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN |
| First End Thread Class | 3A A |
| Cotter Pin Hole Diameter | 0.108 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN |
| First End Style Designator | PLAIN |
| Second Diameter From Wrenching Feature | 0.375 INCHES NOMINAL IN |
| Concentric Hole Depth | 1.480 INCHES NOMINAL IN |
| Second End Seat Angle | 60.0 DEGREES NOMINAL |
| Wrenching Feature Height | 0.250 INCHES MINIMUM IN |
| Second End Thread Series Designator | UNF |
| First End Thread Length | 0.385 INCHES NOMINAL IN |
| Wrenching Feature Style | ROUND WITH WRENCH FLATS |
| Material Document and Classification | MIL-S-5000 COND C-4 MIL SPEC SINGLE MATERIAL RESPONSE |
| Second End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to End of Second Diameter | 1.545 INCHES NOMINAL IN |
| Second End Style Designator | HIGH PRESSURE FLARE |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 1.920 INCHES NOMINAL IN |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Concentric Hole Diameter | 0.215 INCHES MINIMUM AND 0.222 INCHES MAXIMUM IN |
| Distance From Bolt End to Hole Center | 0.120 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMIUM |
| First Radial Fluid Hole Diameter | 0.061 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN |
| Distance From First Radial Hole Center to End of Bolt | 1.208 INCHES NOMINAL IN |
| Material | STEEL COMP 4340 |
| 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 |
|---|---|
| 4J63201-101B | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-190-5889 is a Bolt,fluid Passage, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-190-5889: First End Thread Series Designator: UNF; First End Thread Direction: RIGHT-HAND; Second End Nominal Thread Size: 0.250 INCHES IN; Length From Bearing Surface of Wrenching Feature to End of First Diameter: 1.470 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.