The Screw,shoulder, cataloged under National Stock Number 5305-01-392-1643, 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 17 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-392-1643 |
| Primary Part Number | PZ-42 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | W. M. Berg, Inc. |
| Status | ACTIVE |
| Head Height | 0.312 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Shoulder Length | 0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM FIRST SHOULDER IN |
| Internal Drive Style | HEXAGON |
| Width Across Flats | 0.250 INCHES NOMINAL IN |
| Shoulder Diameter | 0.500 INCHES NOMINAL FIRST SHOULDER IN |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL |
| Thread Quantity Per Inch | 16 |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material | STEEL COMP 416 OVERALL |
| Thread Length | 0.625 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Head Diameter | 0.750 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Head Style | FLAT CHAMFER |
| Fastener Length | 1.125 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| PZ-42 | W. M. Berg, Inc. (USA) |
NSN 5305-01-392-1643 is a Screw,shoulder, manufactured by W. M. Berg, Inc., classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-392-1643 has 1 cross-referenced part number: PZ-42 (W. M. Berg, Inc.).
There is 1 known substitute for 5305-01-392-1643: 2940-01-399-7371. Verify interchangeability with system specifications before substitution.
Key specifications for PZ-42: Head Height: 0.312 INCHES NOMINAL IN; Nominal Thread Diameter: 0.375 INCHES IN; Shoulder Length: 0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM FIRST SHOULDER IN; Internal Drive Style: HEXAGON. 17 total characteristics are documented in the Federal Logistics Information System.