The Bolt,fluid Passage, cataloged under National Stock Number 4730-01-141-8869, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 29 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-141-8869 |
| Primary Part Number | 4057336 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| First End Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Width Across Flats | 0.676 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| First End Thread Direction | RIGHT-HAND |
| Second End Nominal Thread Size | 0.437 INCHES IN |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Second End Thread Class | 3A A |
| Body Style | BODY WRENCHING |
| First End Thread Class | 3A A |
| First End Style Designator | PLAIN |
| Second Diameter From Wrenching Feature | 0.351 INCHES MINIMUM AND 0.353 INCHES MAXIMUM IN |
| Second End Seat Angle | 37.0 DEGREES NOMINAL |
| Wrenching Feature Height | 0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN |
| Second End Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| First End Thread Length | 0.308 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN |
| Wrenching Feature Style | HEXAGON |
| Material Document and Classification | AMS 5646 ASSN STD ALL MATERIAL RESPONSES |
| Second End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to End of Second Diameter | 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN |
| Second End Style Designator | FLARED |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 0.960 INCHES MINIMUM AND 0.980 INCHES MAXIMUM IN |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Concentric Hole Diameter | 0.168 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN |
| First Radial Fluid Hole Diameter | 0.104 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN |
| Distance From First Radial Hole Center to End of Bolt | 0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING |
| Second End Thread Length | 0.242 INCHES NOMINAL IN |
| Second End Connection Type | THREADED EXTERNAL TUBE |
| First Diameter From Wrenching Feature | 0.451 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN |
| First End Nominal Thread Size | 0.375 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 |
NSN 4730-01-141-8869 is a Bolt,fluid Passage, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-141-8869 has 2 manufacturer part numbers on file: 4057336 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4057336 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 4057336: First End Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF); Width Across Flats: 0.676 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN; First End Thread Direction: RIGHT-HAND; Second End Nominal Thread Size: 0.437 INCHES IN. 29 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.