The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-601-5329, 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 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-00-601-5329 |
| Primary Part Number | 98HM1569-3 |
| 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 | 0.687 INCHES NOMINAL IN |
| First End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 0.776 INCHES MINIMUM AND 0.786 INCHES MAXIMUM IN |
| Body Style | PLAIN |
| First End Thread Class | 3A A |
| First End Style Designator | PLAIN |
| Concentric Hole Depth | 0.907 INCHES MINIMUM AND 0.967 INCHES MAXIMUM IN |
| Wrenching Feature Height | 0.188 INCHES NOMINAL IN |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| First End Thread Length | 0.401 INCHES MINIMUM AND 0.411 INCHES MAXIMUM IN |
| Wrenching Feature Style | HEXAGON |
| Material Document and Classification | QQ-S-763,CLASS 416 FED SPEC SINGLE MATERIAL RESPONSE |
| Length From Bearing Surface of Wrenching Feature to End of Second Diameter | 1.137 INCHES NOMINAL IN |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 1.187 INCHES NOMINAL IN |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Concentric Hole Diameter | 0.169 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN |
| First Radial Fluid Hole Diameter | 0.169 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN |
| Distance From First Radial Hole Center to End of Bolt | 0.796 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
|---|---|
| 98HM1569-3 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 98HM1569-3 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 4730-00-601-5329 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 4730-00-601-5329 has 1 manufacturer part number on file: 98HM1569-3 (Northrop Grumman Systems Corporation).
Key specifications for 98HM1569-3: First End Thread Series Designator: UNF; Width Across Flats: 0.687 INCHES NOMINAL IN; First End Thread Direction: RIGHT-HAND; Length From Bearing Surface of Wrenching Feature to End of First Diameter: 0.776 INCHES MINIMUM AND 0.786 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.