The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-052-8262, 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 The Boeing Company Div Defense. Government technical data includes 25 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 | 4730-00-052-8262 |
| Primary Part Number | 7M57C4 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Defense |
| 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 | 0.950 INCHES NOMINAL IN |
| Second End Thread Class | 3A A |
| Body Style | BODY WRENCHING |
| First End Thread Class | 3A A |
| First End Style Designator | PLAIN |
| Second End Seat Angle | 37.0 DEGREES NOMINAL |
| Wrenching Feature Height | 0.125 INCHES NOMINAL IN |
| Second End Thread Series Designator | UNF |
| First End Thread Length | 0.235 INCHES NOMINAL IN |
| Wrenching Feature Style | HEXAGON |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Thread Direction | RIGHT-HAND |
| Second End Style Designator | FLARED |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 1.185 INCHES NOMINAL IN |
| Concentric Hole Diameter | 0.172 INCHES MINIMUM AND 0.179 INCHES MAXIMUM IN |
| First Radial Fluid Hole Diameter | 0.166 INCHES MINIMUM AND 0.173 INCHES MAXIMUM IN |
| Distance From First Radial Hole Center to End of Bolt | 0.710 INCHES NOMINAL IN |
| Material | STEEL |
| Second End Thread Length | 0.550 INCHES NOMINAL IN |
| First Diameter From Wrenching Feature | 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN |
| First End Nominal Thread Size | 0.250 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 |
|---|---|
| 7M57C4 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 4730-00-052-8262 is a Bolt,fluid Passage, manufactured by The Boeing Company Div Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-052-8262 has 1 manufacturer part number on file: 7M57C4 (The Boeing Company Div Defense).
Key specifications for 7M57C4: 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. 25 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.