The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-132-4091, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 26 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-132-4091 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| First End Thread Series Designator | UNF |
| First End Thread Direction | RIGHT-HAND |
| Second End Thread Quantity Per Inch | 28 |
| Second End Nominal Thread Size | 0.250 INCHES IN |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 0.910 INCHES NOMINAL IN |
| Second End Thread Class | 3B |
| Body Style | PLAIN |
| Distance From Centerline to Flat | 0.240 INCHES NOMINAL IN |
| First End Thread Class | 3A A |
| Cotter Pin Hole Diameter | 0.074 INCHES NOMINAL IN |
| First End Thread Quantity Per Inch | 28 |
| Wrenching Feature Height | 0.312 INCHES NOMINAL IN |
| Second End Thread Series Designator | UNF |
| First End Thread Length | 0.312 INCHES NOMINAL IN |
| Wrenching Feature Style | DEE |
| Material Document and Classification | AMS 5610 ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 1.222 INCHES NOMINAL IN |
| Concentric Hole Diameter | 0.093 INCHES NOMINAL IN |
| Distance From Bolt End to Hole Center | 0.210 INCHES NOMINAL IN |
| First Radial Fluid Hole Diameter | 0.050 INCHES NOMINAL IN |
| Distance From First Radial Hole Center to End of Bolt | 0.768 INCHES NOMINAL IN |
| Material | STEEL |
| First Diameter From Wrenching Feature | 0.312 INCHES NOMINAL IN |
| First End Nominal Thread Size | 0.250 INCHES IN |
| Head Diameter | 0.560 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 4G53442-101A | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-132-4091 is a Bolt,fluid Passage, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-132-4091: First End Thread Series Designator: UNF; First End Thread Direction: RIGHT-HAND; Second End Thread Quantity Per Inch: 28; Second End Nominal Thread Size: 0.250 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.