The Screw,shoulder, cataloged under National Stock Number 5305-00-390-0650, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-390-0650 |
| Primary Part Number | 4344 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | ACTIVE |
| Head Height | 0.218 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Length | 0.438 INCHES NOMINAL IN |
| Head Diameter | 0.500 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 20 |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Internal Drive Style | SLOT |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Head Style | FLAT CHAMFER |
| Fastener Length | 0.813 INCHES NOMINAL IN |
| Shoulder Length | 0.375 INCHES MINIMUM AND 0.377 INCHES MAXIMUM FIRST SHOULDER IN |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Thread Class | 3A A |
| Shoulder Diameter | 0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM FIRST SHOULDER IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4344 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
NSN 5305-00-390-0650 is a Screw,shoulder, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-390-0650 has 1 cross-referenced part number: 4344 (Roller Bearing Co of America, Inc Div Pic Design).
There are 6 known substitutes for 5305-00-390-0650: 4320-00-019-0700, 4730-00-142-1665, 5910-00-648-7212 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4344: Head Height: 0.218 INCHES NOMINAL IN; Material Document and Classification: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Thread Length: 0.438 INCHES NOMINAL IN; Head Diameter: 0.500 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.