The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-960-5565, 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 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-00-960-5565 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| First End Thread Series Designator | UN |
| Width Across Flats | 4.000 INCHES MINIMUM AND 4.250 INCHES MAXIMUM IN |
| First End Thread Direction | RIGHT-HAND |
| First End Thread Class | 2A A |
| Cotter Pin Hole Diameter | 0.313 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN |
| First End Thread Quantity Per Inch | 12 |
| First End Thread Length | 2.000 INCHES NOMINAL IN |
| Wrenching Feature Style | HEXAGON |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE |
| Distance From Bolt End to Hole Center | 2.750 INCHES NOMINAL IN |
| Material | STEEL |
| First End Nominal Thread Size | 2.750 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 |
|---|---|
| 25-31108-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-960-5565 is a Bolt,fluid Passage, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-960-5565: First End Thread Series Designator: UN; Width Across Flats: 4.000 INCHES MINIMUM AND 4.250 INCHES MAXIMUM IN; First End Thread Direction: RIGHT-HAND; First End Thread Class: 2A A. 12 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.