The Bolt,fluid Passage, cataloged under National Stock Number 4730-01-213-7723, 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 18 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-213-7723 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| First End Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Width Across Flats | 1.500 INCHES NOMINAL IN |
| First End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 5.000 INCHES NOMINAL IN |
| Body Style | PLAIN |
| First End Thread Class | 2A A |
| First End Style Designator | PLAIN |
| Wrenching Feature Height | 0.500 INCHES NOMINAL IN |
| First End Thread Length | 1.250 INCHES NOMINAL IN |
| Wrenching Feature Style | HEXAGON |
| Material Document and Classification | QQ-N-281 CL A FED SPEC SINGLE MATERIAL RESPONSE |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 6.375 INCHES NOMINAL IN |
| First End Connection Type | THREADED EXTERNAL TUBE |
| First Radial Fluid Hole Diameter | 0.125 INCHES NOMINAL IN |
| Distance From First Radial Hole Center to End of Bolt | 3.875 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| First Diameter From Wrenching Feature | 1.248 INCHES MINIMUM AND 1.249 INCHES MAXIMUM IN |
| First End Nominal Thread Size | 0.875 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 |
|---|---|
| 515-2143590 PIECE 10 | 5/2 Secondary reference U.S. Government activity |
| 77552-06X11 PIECE 10 | 3/2 Design control — primary reference U.S. Government activity |
| 515-2143590 | D/9 Drawing number reference only U.S. Government activity |
NSN 4730-01-213-7723 is a Bolt,fluid Passage, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-213-7723: First End Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Width Across Flats: 1.500 INCHES NOMINAL IN; First End Thread Direction: RIGHT-HAND; Length From Bearing Surface of Wrenching Feature to End of First Diameter: 5.000 INCHES NOMINAL IN. 18 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.