The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-974-1905, 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 Western Precision Inc. Div Utah Tool & Die. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-00-974-1905 |
| Primary Part Number | 3G11053-103 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Western Precision Inc. Div Utah Tool & Die |
| Status | ACTIVE |
| First End Thread Series Designator | UNF |
| First End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 1.870 INCHES MINIMUM AND 1.890 INCHES MAXIMUM IN |
| Body Style | PLAIN |
| Distance From Centerline to Flat | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| First End Thread Class | 3A A |
| First End Thread Quantity Per Inch | 18 |
| Concentric Hole Depth | 0.878 INCHES MINIMUM AND 0.898 INCHES MAXIMUM IN |
| Wrenching Feature Height | 0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| First End Thread Length | 0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN |
| Wrenching Feature Style | ROUND WITH WRENCH FLATS |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 2.430 INCHES MINIMUM AND 2.450 INCHES MAXIMUM IN |
| Concentric Hole Diameter | 0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN |
| First Radial Fluid Hole Diameter | 0.095 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| Distance From First Radial Hole Center to End of Bolt | 1.805 INCHES MINIMUM AND 1.825 INCHES MAXIMUM IN |
| Material | STEEL |
| First Diameter From Wrenching Feature | 0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM IN |
| First End Nominal Thread Size | 0.625 INCHES IN |
| Head Diameter | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM 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 |
|---|---|
| 3G11053-103 | Western Precision Inc. Div Utah Tool & Die (USA) |
| Reference | Meaning |
|---|---|
| 3G11053-103 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-974-1905 is a Bolt,fluid Passage, manufactured by Western Precision Inc. Div Utah Tool & Die, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-974-1905 has 1 manufacturer part number on file: 3G11053-103 (Western Precision Inc. Div Utah Tool & Die).
Key specifications for 3G11053-103: First End Thread Series Designator: UNF; First End Thread Direction: RIGHT-HAND; Length From Bearing Surface of Wrenching Feature to End of First Diameter: 1.870 INCHES MINIMUM AND 1.890 INCHES MAXIMUM IN; Body Style: PLAIN. 19 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.