The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-576-2551, 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 American Coleman Company, the Dba Metro Crown International. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-576-2551 |
| Primary Part Number | 25815 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | American Coleman Company, the Dba Metro Crown International |
| Status | ACTIVE |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 2.500 INCHES NOMINAL IN |
| First End Style Designator | PLAIN |
| Second End Style Designator | PLAIN |
| Second End Thread Series Designator | NPT |
| Body Style | PLAIN |
| Material | STEEL COMP 1015 OR STEEL COMP 8620 |
| Concentric Hole Diameter | 0.125 INCHES NOMINAL IN |
| First End Connection Type | THREADED EXTERNAL TUBE |
| First End Thread Class | 2A A |
| Second End Thread Direction | RIGHT-HAND |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE |
| Concentric Hole Depth | 1.562 INCHES MINIMUM AND 1.704 INCHES MAXIMUM IN |
| Second End Connection Type | THREADED INTERNAL PIPE |
| Wrenching Feature Style | HEXAGON |
| First Diameter From Wrenching Feature | 0.750 INCHES NOMINAL IN |
| First Radial Fluid Hole Diameter | 0.125 INCHES NOMINAL IN |
| First End Nominal Thread Size | 0.750 INCHES IN |
| Hardness Rating | 55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM |
| First End Thread Direction | RIGHT-HAND |
| Second End Thread Length | 0.312 INCHES NOMINAL IN |
| Second End Nominal Thread Size | 0.125 INCHES IN |
| Wrenching Feature Height | 0.531 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 93000 POUNDS PER SQUARE INCH LBS |
| Distance From First Radial Hole Center to End of Bolt | 2.500 INCHES NOMINAL IN |
| Width Across Flats | 1.000 INCHES NOMINAL IN |
| First End Thread Series Designator | UNF |
| First End Thread Length | 1.000 INCHES NOMINAL IN |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 3.469 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4730-00-576-2551 is a Bolt,fluid Passage, manufactured by American Coleman Company, the Dba Metro Crown International, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-576-2551 has 2 cross-referenced part numbers: 25815 (American Coleman Company, the Dba Metro Crown International), 258-15 (American Coleman Company, the Dba Metro Crown International).
There are 6 known substitutes for 4730-00-576-2551: 5310-00-037-4935, 5999-00-252-6350, 5330-00-318-4089 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 25815: Length From Bearing Surface of Wrenching Feature to End of First Diameter: 2.500 INCHES NOMINAL IN; First End Style Designator: PLAIN; Second End Style Designator: PLAIN; Second End Thread Series Designator: NPT. 30 total characteristics are documented in the Federal Logistics Information System.