The Bolt,fluid Passage, cataloged under National Stock Number 4730-01-074-3707, 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 22 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-074-3707 |
| 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 |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 2.090 INCHES MINIMUM AND 2.110 INCHES MAXIMUM IN |
| Body Style | SHOULDER |
| First End Thread Class | 3A A |
| First End Thread Quantity Per Inch | 24 |
| Second Diameter From Wrenching Feature | 0.435 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Concentric Hole Depth | 1.558 INCHES MINIMUM AND 1.598 INCHES MAXIMUM IN |
| Wrenching Feature Height | 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN |
| First End Thread Length | 0.335 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN |
| Wrenching Feature Style | ROUND |
| Length From Bearing Surface of Wrenching Feature to End of Second Diameter | 2.152 INCHES MINIMUM AND 2.172 INCHES MAXIMUM IN |
| Second End Style Designator | PLAIN |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 2.497 INCHES MINIMUM AND 2.517 INCHES MAXIMUM IN |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Concentric Hole Diameter | 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN |
| First Radial Fluid Hole Diameter | 0.127 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Distance From First Radial Hole Center to End of Bolt | 1.637 INCHES MINIMUM AND 1.657 INCHES MAXIMUM IN |
| Material | STEEL |
| First Diameter From Wrenching Feature | 0.560 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| First End Nominal Thread Size | 0.375 INCHES IN |
| Head Diameter | 0.740 INCHES MINIMUM AND 0.760 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 |
| Reference | Meaning |
|---|---|
| 5005024 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-074-3707 is a Bolt,fluid Passage, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-074-3707: First End Thread Series Designator: UNF; First End Thread Direction: RIGHT-HAND; Length From Bearing Surface of Wrenching Feature to End of First Diameter: 2.090 INCHES MINIMUM AND 2.110 INCHES MAXIMUM IN; Body Style: SHOULDER. 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.