The Setscrew, cataloged under National Stock Number 5305-01-646-0558, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-646-0558 |
| Primary Part Number | J2656C06HD12G4 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 3A A |
| Thread Direction | RIGHT-HAND |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Quantity Per Inch | 16 |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Point Diameter | 0.250 INCHES NOMINAL IN |
| Point Chamfer Angle | 90.0 DEGREES MINIMUM AND 120.0 DEGREES MAXIMUM |
| Point Length | 0.099 INCHES NOMINAL IN |
| Point Style | HALF DOG |
| Material | STEEL CORROSION RESISTING OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 588-7666739 ITEM 29 | Naval Sea Systems Command (USA) |
| J2656 | Sae International Dba Sae International (USA) |
| J2656C06HD12G4 PRIMARY | Sae International Dba Sae International (USA) |
| J2656C06HD12G4 | Society of Automotive Engineers Inc (USA) |
| J2656 | Society of Automotive Engineers Inc (USA) |
NSN 5305-01-646-0558 is a Setscrew, manufactured by Sae International Dba Sae International, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-646-0558 has 5 cross-referenced part numbers: 588-7666739 ITEM 29 (Naval Sea Systems Command), J2656 (Sae International Dba Sae International), J2656C06HD12G4 (Sae International Dba Sae International), J2656C06HD12G4 (Society of Automotive Engineers Inc), J2656 (Society of Automotive Engineers Inc).
There is 1 known substitute for 5305-01-646-0558: 5961-01-303-5990. Verify interchangeability with system specifications before substitution.
Key specifications for J2656C06HD12G4: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Internal Drive Style: W/O INTERNAL DRIVE; Thread Class: 3A A; Thread Direction: RIGHT-HAND. 15 total characteristics are documented in the Federal Logistics Information System.