The Bolt,fluid Passage, cataloged under National Stock Number 4730-01-031-4122, 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 Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 26 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-031-4122 |
| Primary Part Number | 3165592-1 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| First End Thread Series Designator | UNF |
| Width Across Flats | 0.688 INCHES NOMINAL IN |
| First End Thread Direction | RIGHT-HAND |
| Second End Nominal Thread Size | 0.438 INCHES IN |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 0.435 INCHES NOMINAL IN |
| Second End Thread Class | 3A A |
| Body Style | BODY WRENCHING |
| First End Thread Class | 3A A |
| First End Style Designator | FLARED |
| Second End Seat Angle | 90.0 DEGREES NOMINAL |
| Second End Thread Series Designator | UNF |
| First End Thread Length | 20.000 INCHES NOMINAL IN |
| Wrenching Feature Style | HEXAGON |
| Second End Thread Direction | RIGHT-HAND |
| First End Seat Angle | 75.0 DEGREES NOMINAL |
| Second End Style Designator | FLARED TUBE |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 0.781 INCHES NOMINAL IN |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Concentric Hole Diameter | 0.188 INCHES NOMINAL IN |
| First Radial Fluid Hole Diameter | 0.188 INCHES NOMINAL IN |
| Distance From First Radial Hole Center to End of Bolt | 0.438 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Second End Thread Length | 20.000 INCHES NOMINAL IN |
| Second End Connection Type | THREADED EXTERNAL TUBE |
| First Diameter From Wrenching Feature | 0.344 INCHES NOMINAL 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 |
|---|---|
| 3165592-1 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 3165592-1 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-031-4122 is a Bolt,fluid Passage, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-031-4122 has 1 manufacturer part number on file: 3165592-1 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
Key specifications for 3165592-1: First End Thread Series Designator: UNF; Width Across Flats: 0.688 INCHES NOMINAL IN; First End Thread Direction: RIGHT-HAND; Second End Nominal Thread Size: 0.438 INCHES IN. 26 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.