The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-013-1839, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics. Government technical data includes 28 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-013-1839 |
| Primary Part Number | 2662493 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics |
| Status | ACTIVE |
| First End Thread Series Designator | UNF |
| Width Across Flats | 0.625 INCHES NOMINAL IN |
| First End Thread Direction | RIGHT-HAND |
| Second End Thread Quantity Per Inch | 24 |
| Second End Nominal Thread Size | 0.375 INCHES IN |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 0.120 INCHES NOMINAL IN |
| Second End Thread Class | 3B |
| Third Diameter From Wrenching Feature | 0.375 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN |
| Body Style | RELIEVED |
| First End Thread Class | 3A A |
| First End Thread Quantity Per Inch | 24 |
| Length From Bearing Surface of Wrenching Feature to End of Third Diameter | 0.705 INCHES MINIMUM AND 0.709 INCHES MAXIMUM IN |
| Second Diameter From Wrenching Feature | 0.275 INCHES NOMINAL IN |
| Wrenching Feature Height | 0.430 INCHES NOMINAL IN |
| Second End Thread Series Designator | UNF |
| First End Thread Length | 0.180 INCHES NOMINAL IN |
| Wrenching Feature Style | HEXAGON |
| Material Document and Classification | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to End of Second Diameter | 0.574 INCHES NOMINAL IN |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 0.957 INCHES NOMINAL IN |
| Concentric Hole Diameter | 0.172 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE |
| First Radial Fluid Hole Diameter | 0.178 INCHES NOMINAL IN |
| Length From Bearing Surface of Wrenching Feature to End of Fourth Diameter | 0.770 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN |
| Distance From First Radial Hole Center to End of Bolt | 0.604 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| Second End Thread Length | 0.270 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2662493 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics (USA) |
| Reference | Meaning |
|---|---|
| 2662493 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4730-00-013-1839 is a Bolt,fluid Passage, manufactured by Parker-Hannifin Corporation Dba Pneutronics, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-013-1839 has 1 manufacturer part number on file: 2662493 (Parker-Hannifin Corporation Dba Pneutronics).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-150-6840. Verify interchangeability with system specifications before substitution.
Key specifications for 2662493: First End Thread Series Designator: UNF; Width Across Flats: 0.625 INCHES NOMINAL IN; First End Thread Direction: RIGHT-HAND; Second End Thread Quantity Per Inch: 24. 28 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.