The Bolt,fluid Passage, cataloged under National Stock Number 4730-01-028-1844, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Williams International Co., L.l.c.. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-028-1844 |
| Primary Part Number | 25312 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Williams International Co., L.l.c. |
| Status | ACTIVE |
| First End Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| First End Nominal Thread Size | 0.438 INCHES IN |
| First End Thread Quantity Per Inch | 20 |
| First End Thread Direction | RIGHT-HAND |
| Body Style | PLAIN |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 0.587 INCHES NOMINAL IN |
| Concentric Hole Diameter | 0.175 INCHES NOMINAL IN |
| First End Connection Type | THREADED EXTERNAL TUBE |
| First End Style Designator | PLAIN |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 1.025 INCHES NOMINAL IN |
| Wrenching Feature Style | HEXAGON |
| Distance From First Radial Hole Center to End of Bolt | 0.765 INCHES NOMINAL IN |
| Wrenching Feature Height | 0.188 INCHES NOMINAL IN |
| First End Thread Length | 0.438 INCHES NOMINAL IN |
| Width Across Flats | 0.750 INCHES NOMINAL IN |
| First Radial Fluid Hole Diameter | 0.190 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| First End Thread Class | 3A A |
| Concentric Hole Depth | 0.900 INCHES NOMINAL IN |
| First Diameter From Wrenching Feature | 0.433 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 25312 PRIMARY | Williams International Co., L.l.c. (USA) |
NSN 4730-01-028-1844 is a Bolt,fluid Passage, manufactured by Williams International Co., L.l.c., classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-028-1844 has 1 cross-referenced part number: 25312 (Williams International Co., L.l.c.).
There are 5 known substitutes for 4730-01-028-1844: 6625-00-139-3328, 2520-00-360-6893, 2925-00-442-0896 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 25312: Special Features: WRENCHING FACILITY DRILLED ACROSS FLATS 0.064 IN. NOM DIA 3 HOLES FOR LOCKING WIRE IN; First End Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF); First End Nominal Thread Size: 0.438 INCHES IN; First End Thread Quantity Per Inch: 20. 22 total characteristics are documented in the Federal Logistics Information System.