The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-579-1012, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Corp Dba Eaton Aerospace Jackson. Government technical data includes 26 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-579-1012 |
| Primary Part Number | 11556 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Eaton Corp Dba Eaton Aerospace Jackson |
| Status | ACTIVE |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.455 INCHES NOMINAL IN |
| Hole Configuration Style | ROUND LONGITUDINAL HOLE |
| Internal Drive Style | SLOT |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 0.640 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Material Document and Classification | QQ-S-630 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL COMP 1010 OVERALL |
| Hole Quantity | 1 |
| Thread Length | 0.455 INCHES MINIMUM IN |
| Head Style | FILLISTER |
| Fastener Length | 0.640 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Head Diameter | 0.414 INCHES NOMINAL IN |
| Head Height | 0.237 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 28 |
| Surface Treatment | CADMIUM OVERALL |
| Hole Type | DRILLED |
| Minimum Tensile Strength | 60000 POUNDS PER SQUARE INCH LBS |
| Second Diameter From Head | 0.158 INCHES NOMINAL IN |
| Hole Diameter | 0.064 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.062 INCHES NOMINAL FIRST HOLE IN |
| First Diameter From Head | 0.250 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 2 |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 0.062 INCHES NOMINAL FIRST HOLE IN |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 11556 PRIMARY | Eaton Corp Dba Eaton Aerospace Jackson (USA) |
NSN 5305-00-579-1012 is a Screw,externally Relieved Body, manufactured by Eaton Corp Dba Eaton Aerospace Jackson, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-579-1012 has 1 cross-referenced part number: 11556 (Eaton Corp Dba Eaton Aerospace Jackson).
There are 7 known substitutes for 5305-00-579-1012: 5120-00-144-2084, 5133-00-232-2866, 5330-00-419-6556 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 11556: Distance From Largest Bearing Surface of Head to End of First Diameter: 0.455 INCHES NOMINAL IN; Hole Configuration Style: ROUND LONGITUDINAL HOLE; Internal Drive Style: SLOT; Distance From Largest Bearing Surface of Head to End of Second Diameter: 0.640 INCHES NOMINAL IN. 26 total characteristics are documented in the Federal Logistics Information System.