The Bolt,fluid Passage, cataloged under National Stock Number 4730-01-490-3265, 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 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 27 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-490-3265 |
| Primary Part Number | 4730NR0287 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| Status | ACTIVE |
| First End Thread Series Designator | NPT |
| Width Across Flats | 0.625 INCHES NOMINAL IN |
| First End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 0.094 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | ASTM B633,TY 1,CL 3 ASSN STD SINGLE TREATMENT RESPONSE |
| Third Diameter From Wrenching Feature | 0.675 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN |
| Body Style | RELIEVED |
| First End Thread Class | 2A A |
| First End Thread Quantity Per Inch | 18 |
| First End Style Designator | PLAIN |
| Length From Bearing Surface of Wrenching Feature to End of Third Diameter | 5.750 INCHES NOMINAL IN |
| Second Diameter From Wrenching Feature | 0.5085 INCHES MINIMUM AND 0.5105 INCHES MAXIMUM IN |
| Concentric Hole Depth | 3.880 INCHES NOMINAL IN |
| Wrenching Feature Height | 0.250 INCHES NOMINAL IN |
| First End Thread Length | 1.000 INCHES NOMINAL IN |
| Wrenching Feature Style | HEXAGON |
| Material Document and Classification | UNS G1214400 ASSN STD SINGLE MATERIAL RESPONSE |
| Length From Bearing Surface of Wrenching Feature to End of Second Diameter | 0.235 INCHES NOMINAL IN |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 6.750 INCHES NOMINAL IN |
| First End Connection Type | THREADED EXTERNAL PIPE |
| Concentric Hole Diameter | 0.440 INCHES NOMINAL IN |
| Surface Treatment | ZINC |
| First Radial Fluid Hole Diameter | 0.250 INCHES NOMINAL IN |
| Distance From First Radial Hole Center to End of Bolt | 3.620 INCHES NOMINAL IN |
| Material | STEEL |
| Second Radial Fluid Hole Diameter | 0.250 INCHES NOMINAL IN |
| Distance From Second Radial Hole Center to End of Bolt | 3.120 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 |
|---|---|
| 4730NR0287 PRIMARY | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
NSN 4730-01-490-3265 is a Bolt,fluid Passage, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-490-3265 has 1 manufacturer part number on file: 4730NR0287 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).
Key specifications for 4730NR0287: First End Thread Series Designator: NPT; Width Across Flats: 0.625 INCHES NOMINAL IN; First End Thread Direction: RIGHT-HAND; Length From Bearing Surface of Wrenching Feature to End of First Diameter: 0.094 INCHES NOMINAL IN. 27 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.