The Stud,recessed, cataloged under National Stock Number 5307-00-206-7566, is classified within Federal Supply Class 5307 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5307-00-206-7566 |
| Primary Part Number | 8239-4 |
| Item Name | Stud,recessed |
| FSC / FSG | 5307 / 53 — No Item Name Available |
| Manufacturer | Cummins Inc. |
| Status | CANCELLED |
| Thread Series Designator | UNF NUT THREAD |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 12 STUD THREAD |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Nominal Thread Size | 1.250 INCHES STUD THREAD IN |
| Nominal Thread Size | 1.250 INCHES NUT THREAD IN |
| Material | STEEL |
| Hardness Rating | 35.0 ROCKWELL C NOMINAL |
| Thread Series Designator | UNF STUD THREAD |
| Thread Class | 3 NUT THREAD |
| Diameter of Recessed Portion of Shank | 1.062 INCHES NOMINAL IN |
| Style Designator | RECESSED |
| Length of Recessed Portion of Shank | 4.125 INCHES NOMINAL IN |
| Thread Length | 2.750 INCHES MINIMUM STUD THREAD IN |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Thread Length | 2.375 INCHES MINIMUM NUT THREAD IN |
| Thread Quantity Per Inch | 12 NUT THREAD |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| K8239-4 | Cummins Inc. (USA) |
| 8239-4 PRIMARY | Cummins Inc. (USA) |
| Y046S61-889PC8 PRIMARY | Naval Ship Systems Command (USA) |
NSN 5307-00-206-7566 is a Stud,recessed, manufactured by Cummins Inc., classified under FSC 5307 (No Item Name Available). Status: cancelled.
NSN 5307-00-206-7566 has 3 cross-referenced part numbers: K8239-4 (Cummins Inc.), 8239-4 (Cummins Inc.), Y046S61-889PC8 (Naval Ship Systems Command).
There are 6 known substitutes for 5307-00-206-7566: 2810-00-787-2841, 2940-01-100-6185, 6145-01-429-1053 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8239-4: Thread Series Designator: UNF NUT THREAD; Thread Class: 3A STUD THREAD A; Thread Quantity Per Inch: 12 STUD THREAD; Overall Length: 9.938 INCHES NOMINAL IN. 19 total characteristics are documented in the Federal Logistics Information System.
NSN 5307-00-206-7566 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.