The Screw,shoulder, cataloged under National Stock Number 5305-00-178-8640, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is W. M. Berg, Inc.. 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-178-8640 |
| Primary Part Number | PL10 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | W. M. Berg, Inc. |
| Status | ACTIVE |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Head Style | FLAT CHAMFER |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Head Height | 0.156 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Internal Drive Style | SLOT |
| Material | STEEL COMP 416 OVERALL |
| Shoulder Diameter | 0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Head Diameter | 0.312 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 32 |
| Thread Length | 0.188 INCHES NOMINAL IN |
| Fastener Length | 0.564 INCHES MINIMUM AND 0.566 INCHES MAXIMUM IN |
| Shoulder Length | 0.376 INCHES MINIMUM AND 0.378 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| PL10 | W. M. Berg, Inc. (USA) |
NSN 5305-00-178-8640 is a Screw,shoulder, manufactured by W. M. Berg, Inc., classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-178-8640 has 1 cross-referenced part number: PL10 (W. M. Berg, Inc.).
There are 4 known substitutes for 5305-00-178-8640: 5120-00-223-7398, 3020-00-489-1239, 6210-01-198-4200 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for PL10: Shoulder Shape: ROUND FIRST SHOULDER; Head Style: FLAT CHAMFER; Hardness Rating: 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL; Head Height: 0.156 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.