The Bolt,fluid Passage, cataloged under National Stock Number 4730-01-551-5874, 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 Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-551-5874 |
| Primary Part Number | 421GC144 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales |
| Status | ACTIVE |
| First End Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Width Across Flats | 0.750 INCHES NOMINAL IN |
| Body Style | PLAIN |
| First End Thread Class | 2A A |
| Cotter Pin Hole Diameter | 0.125 INCHES NOMINAL IN |
| First End Thread Quantity Per Inch | 13 |
| Wrenching Feature Style | HEXAGON |
| Material Document and Classification | SAE 1137 OR 1141 ASSN STD SINGLE MATERIAL RESPONSE |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 0.750 INCHES NOMINAL IN |
| Concentric Hole Diameter | 0.394 INCHES NOMINAL IN |
| First Radial Fluid Hole Diameter | 0.188 INCHES NOMINAL IN |
| Distance From First Radial Hole Center to End of Bolt | 0.442 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 |
| Part Number | Manufacturer |
|---|---|
| 421GC144 | Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales (AUS) |
| Reference | Meaning |
|---|---|
| 421GC144 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-551-5874 is a Bolt,fluid Passage, manufactured by Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-551-5874 has 1 manufacturer part number on file: 421GC144 (Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales).
Key specifications for 421GC144: First End Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Width Across Flats: 0.750 INCHES NOMINAL IN; Body Style: PLAIN; First End Thread Class: 2A A. 12 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.