The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-865-8957, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Electronic Systems Security Engineering Center. Government technical data includes 16 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 | 5305-00-865-8957 |
| Primary Part Number | 3530 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Naval Electronic Systems Security Engineering Center |
| Status | ACTIVE |
| Thread Quantity Per Inch | 32 |
| Countersink Angle | 82.0 DEGREES NOMINAL |
| Externally Relieved Body Diameter Quantity | 1 |
| Fastener Length | 1.250 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Head Diameter | 0.385 INCHES NOMINAL IN |
| First Diameter From Head | 0.156 INCHES NOMINAL IN |
| Thread Length | 0.375 INCHES MINIMUM IN |
| Internal Drive Style | CROSS RECESS TYPE II |
| Surface Treatment | PASSIVATE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | OVAL COUNTERSUNK |
| Thread Series Designator | UNF |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.875 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3530 | Naval Electronic Systems Security Engineering Center (USA) |
NSN 5305-00-865-8957 is a Screw,externally Relieved Body, manufactured by Naval Electronic Systems Security Engineering Center, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-865-8957 has 1 cross-referenced part number: 3530 (Naval Electronic Systems Security Engineering Center).
There are 12 known substitutes for 5305-00-865-8957: 5950-00-009-5522, 6632-00-299-9832, 2940-00-480-7546 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3530: Thread Quantity Per Inch: 32; Countersink Angle: 82.0 DEGREES NOMINAL; Externally Relieved Body Diameter Quantity: 1; Fastener Length: 1.250 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.