The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-787-2129, 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 22 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-787-2129 |
| 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 | 1.246 INCHES NOMINAL IN |
| First End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 1.830 INCHES NOMINAL IN |
| Body Style | PLAIN |
| First End Thread Class | 3A A |
| Cotter Pin Hole Diameter | 0.146 INCHES NOMINAL IN |
| First End Thread Quantity Per Inch | 16 |
| Concentric Hole Depth | 1.380 INCHES NOMINAL IN |
| Wrenching Feature Height | 0.300 INCHES NOMINAL IN |
| First End Thread Length | 0.700 INCHES NOMINAL IN |
| Wrenching Feature Style | HEXAGON |
| Material Document and Classification | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Style Designator | PLAIN |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 2.530 INCHES NOMINAL IN |
| Concentric Hole Diameter | 0.212 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN |
| Distance From Bolt End to Hole Center | 0.130 INCHES NOMINAL IN |
| First Radial Fluid Hole Diameter | 0.062 INCHES NOMINAL IN |
| Distance From First Radial Hole Center to End of Bolt | 1.600 INCHES NOMINAL IN |
| Material | STEEL |
| First Diameter From Wrenching Feature | 0.749 INCHES NOMINAL IN |
| First End Nominal Thread Size | 0.750 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 |
| Reference | Meaning |
|---|---|
| 4J13358-105A | 5/9 Secondary reference U.S. Government activity |
| 4J13358-105A | 3/9 Design control — primary reference Lockheed Martin Services, Llc |
NSN 4730-00-787-2129 is a Bolt,fluid Passage, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-787-2129: First End Thread Series Designator: UNF; Width Across Flats: 1.246 INCHES NOMINAL IN; First End Thread Direction: RIGHT-HAND; Length From Bearing Surface of Wrenching Feature to End of First Diameter: 1.830 INCHES NOMINAL IN. 22 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.