The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-146-7371, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Norfolk Naval Shipyard. Government technical data includes 18 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-146-7371 |
| Primary Part Number | 6209 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Norfolk Naval Shipyard |
| Status | ACTIVE |
| Material | STEEL COMP 3135 OVERALL |
| Head Diameter | 0.687 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Externally Relieved Body Diameter Quantity | 3 |
| Thread Quantity Per Inch | 20 |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 1.062 INCHES NOMINAL IN |
| Nonstandard Thread Pitch Diameter | +0.4034 TO 0.4050 INCHES IN |
| Third Diameter From Head | 0.430 INCHES MINIMUM AND 0.432 INCHES MAXIMUM IN |
| Head Height | 0.250 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of Third Diameter | 1.625 INCHES NOMINAL IN |
| Hardness Rating | 33.0 SHORE SCLEROSCOPE MINIMUM AND 38.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL |
| First Diameter From Head | 0.430 INCHES MINIMUM AND 0.436 INCHES MAXIMUM IN |
| Thread Length | 0.812 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.187 INCHES NOMINAL IN |
| Second Diameter From Head | 0.4315 INCHES MINIMUM AND 0.4379 INCHES MAXIMUM IN |
| Thread Series Designator | UNF |
| Fastener Length | 2.438 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 6209 | Norfolk Naval Shipyard (USA) |
NSN 5306-00-146-7371 is a Bolt,externally Relieved Body, manufactured by Norfolk Naval Shipyard, classified under FSC 5306 (No Item Name Available). Status: active.
NSN 5306-00-146-7371 has 1 cross-referenced part number: 6209 (Norfolk Naval Shipyard).
There are 12 known substitutes for 5306-00-146-7371: 3110-00-144-8668, 3110-00-158-7244, 4730-00-180-5720 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 6209: Special Features: AXIALLY DRILLED HOLE IN THREADED END 0.125 IN. DIA BY 0.187 IN. DEEP,SHANK FLATTED 0.750 IN. LG BY 0.417 IN. MIN 0.418 IN. W ACROSS FLAT IN; Material: STEEL COMP 3135 OVERALL; Head Diameter: 0.687 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND. 19 total characteristics are documented in the Federal Logistics Information System.