The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-061-4064, 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 21 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-061-4064 |
| 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 | 1.000 INCHES NOMINAL IN |
| First End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 1.218 INCHES NOMINAL IN |
| Body Style | PLAIN |
| First End Thread Class | 3A A |
| First End Style Designator | INVERTED FLARE |
| Concentric Hole Depth | 1.297 INCHES NOMINAL IN |
| Wrenching Feature Height | 0.250 INCHES NOMINAL IN |
| First End Thread Length | 0.375 INCHES NOMINAL IN |
| Wrenching Feature Style | HEXAGON |
| First End Seat Angle | 45.0 DEGREES NOMINAL |
| Specification/standard Data | 81343-AS4875 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 80205-NAS551 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 1.687 INCHES NOMINAL IN |
| Concentric Hole Diameter | 0.391 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE |
| First Radial Fluid Hole Diameter | 0.313 INCHES NOMINAL IN |
| Distance From First Radial Hole Center to End of Bolt | 1.078 INCHES NOMINAL IN |
| Material | ALUMINUM |
| First Diameter From Wrenching Feature | 0.748 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 |
|---|---|
| AS4875 | 5/9 Secondary reference U.S. Government activity |
| NAS551 | 3/1 Design control — primary reference U.S. Government activity |
| MIL-F-5509 | 5/9 Secondary reference U.S. Government activity |
| NAS551-8DH | 3/2 Design control — primary reference U.S. Government activity |
| AS4875 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 4730-00-061-4064 is a Bolt,fluid Passage, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 4730-00-541-6586, 4730-00-815-0292, 4730-01-032-7432. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-00-061-4064: First End Thread Series Designator: UNF; Width Across Flats: 1.000 INCHES NOMINAL IN; First End Thread Direction: RIGHT-HAND; Length From Bearing Surface of Wrenching Feature to End of First Diameter: 1.218 INCHES NOMINAL IN. 21 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.