The Bolt,fluid Passage, cataloged under National Stock Number 4730-01-119-2158, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-119-2158 |
| Primary Part Number | 74A835786-2001 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| Status | ACTIVE |
| First End Thread Series Designator | UNF |
| Width Across Flats | 0.688 INCHES NOMINAL IN |
| First End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 0.495 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Body Style | PLAIN |
| First End Thread Class | 3A A |
| First End Style Designator | INVERTED FLARE |
| Concentric Hole Depth | 0.641 INCHES MINIMUM AND 0.671 INCHES MAXIMUM IN |
| Wrenching Feature Height | 0.125 INCHES NOMINAL IN |
| First End Thread Length | 0.331 INCHES NOMINAL IN |
| Wrenching Feature Style | HEXAGON |
| Material Document and Classification | QQ-A-200/8,T6511 FED SPEC SINGLE MATERIAL RESPONSE |
| Length From Bearing Surface of Wrenching Feature to End of Second Diameter | 0.856 INCHES NOMINAL IN |
| First End Seat Angle | 45.0 DEGREES NOMINAL |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 0.906 INCHES NOMINAL IN |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Concentric Hole Diameter | 0.172 INCHES NOMINAL IN |
| First Radial Fluid Hole Diameter | 0.172 INCHES NOMINAL IN |
| Distance From First Radial Hole Center to End of Bolt | 0.641 INCHES MINIMUM AND 0.671 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 6061 |
| First Diameter From Wrenching Feature | 0.434 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN |
| First End Nominal Thread Size | 0.438 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 |
| Part Number | Manufacturer |
|---|---|
| 74A835786-2001 | Seyer Industries, Inc. Dba Seyer Industries Inc (USA) |
| 74A835786-2001 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| Reference | Meaning |
|---|---|
| 74A835786-2001 | 5/9 Secondary reference The Boeing Company Div Defense |
| 10130692 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A835786 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 4730-01-119-2158 is a Bolt,fluid Passage, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-119-2158 has 2 manufacturer part numbers on file: 74A835786-2001 (Seyer Industries, Inc. Dba Seyer Industries Inc), 74A835786-2001 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems).
Key specifications for 74A835786-2001: First End Thread Series Designator: UNF; Width Across Flats: 0.688 INCHES NOMINAL IN; First End Thread Direction: RIGHT-HAND; Length From Bearing Surface of Wrenching Feature to End of First Diameter: 0.495 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN. 22 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.