The Screw,shoulder, cataloged under National Stock Number 5305-01-093-3123, 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 3 commercial cross-references from 3 manufacturers, 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 | 5305-01-093-3123 |
| Primary Part Number | 4421 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | ACTIVE |
| Shoulder Diameter | 0.188 INCHES NOMINAL FIRST SHOULDER IN |
| Width Across Flats | 0.094 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shoulder Length | 0.625 INCHES MINIMUM AND 0.627 INCHES MAXIMUM FIRST SHOULDER IN |
| Material | STEEL COMP 303 OVERALL |
| Fastener Length | 0.813 INCHES MINIMUM AND 0.815 INCHES MAXIMUM IN |
| Head Diameter | 0.312 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Head Style | FLAT CHAMFER |
| Head Height | 0.156 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Thread Length | 0.188 INCHES NOMINAL IN |
| Internal Drive Style | HEXAGON |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Thread Quantity Per Inch | 32 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 12-108629-00 | Emerson Electric Co Computer Power Div (USA) |
| 411200-40 | Raytheon Company Dba Raytheon (USA) |
| 4421 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
NSN 5305-01-093-3123 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 5305-01-093-3123 has 3 cross-referenced part numbers: 12-108629-00 (Emerson Electric Co Computer Power Div), 411200-40 (Raytheon Company Dba Raytheon), 4421 (Roller Bearing Co of America, Inc Div Pic Design).
There are 12 known substitutes for 5305-01-093-3123: 5315-00-012-4553, 1620-00-024-6341, 3655-00-070-0473 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4421: Shoulder Diameter: 0.188 INCHES NOMINAL FIRST SHOULDER IN; Width Across Flats: 0.094 INCHES NOMINAL IN; Shoulder Shape: ROUND FIRST SHOULDER; Shoulder Length: 0.625 INCHES MINIMUM AND 0.627 INCHES MAXIMUM FIRST SHOULDER IN. 16 total characteristics are documented in the Federal Logistics Information System.