The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-474-1990, 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. Government technical data includes 23 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 | 4730-00-474-1990 |
| Primary Part Number | 95940 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| First End Thread Series Designator | UNF |
| Width Across Flats | 0.750 INCHES NOMINAL IN |
| First End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 0.095 INCHES NOMINAL IN |
| Body Style | RELIEVED |
| Extended Washer Diameter | 1.000 INCHES NOMINAL IN |
| First End Thread Class | 3A A |
| First End Thread Quantity Per Inch | 16 |
| Second Diameter From Wrenching Feature | 0.690 INCHES NOMINAL IN |
| Concentric Hole Depth | 0.655 INCHES NOMINAL IN |
| Wrenching Feature Height | 0.312 INCHES NOMINAL IN |
| Hardness Rating | 89.0 ROCKWELL B NOMINAL |
| First End Thread Length | 0.375 INCHES NOMINAL IN |
| Wrenching Feature Style | EXTENDED WASHER |
| Material Document and Classification | FED STD 66,AISI/SAE 4130 FED STD SINGLE MATERIAL RESPONSE |
| Length From Bearing Surface of Wrenching Feature to End of Second Diameter | 0.375 INCHES NOMINAL IN |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 0.750 INCHES NOMINAL IN |
| Concentric Hole Diameter | 0.375 INCHES NOMINAL IN |
| First Radial Fluid Hole Diameter | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Distance From First Radial Hole Center to End of Bolt | 0.593 INCHES NOMINAL IN |
| Material | STEEL |
| First Diameter From Wrenching Feature | 0.750 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 |
| Part Number | Manufacturer |
|---|---|
| 95940 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 4730-00-474-1990 is a Bolt,fluid Passage, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-474-1990 has 1 manufacturer part number on file: 95940 (Northrop Grumman Systems Corporation).
Key specifications for 95940: First End Thread Series Designator: UNF; Width Across Flats: 0.750 INCHES NOMINAL IN; First End Thread Direction: RIGHT-HAND; Length From Bearing Surface of Wrenching Feature to End of First Diameter: 0.095 INCHES NOMINAL IN. 23 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.