The Screw,shoulder, cataloged under National Stock Number 5305-00-619-8570, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-619-8570 |
| Primary Part Number | B198570 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Status | ACTIVE |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Series Designator | UNF |
| Thread Class | 2A A |
| Surface Treatment | ZINC OVERALL |
| Thread Quantity Per Inch | 20 |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Head Height | 0.188 INCHES NOMINAL IN |
| Head Diameter | 0.813 INCHES NOMINAL IN |
| Shoulder Length | 0.200 INCHES MINIMUM AND 0.204 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.500 INCHES MINIMUM IN |
| Shoulder Diameter | 0.554 INCHES MINIMUM AND 0.558 INCHES MAXIMUM FIRST SHOULDER IN |
| Fastener Length | 0.969 INCHES NOMINAL IN |
| Material | STEEL COMP 1020 OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5305-00-619-8570 is a Screw,shoulder, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-619-8570 has 2 cross-referenced part numbers: B198570, 24067 (Empire Electric Brake Co).
There are 3 known substitutes for 5305-00-619-8570: 5930-00-224-5569, 4730-00-675-9217, 4330-01-121-1811. Verify interchangeability with system specifications before substitution.
Key specifications for B198570: Nominal Thread Diameter: 0.438 INCHES IN; Shoulder Shape: ROUND FIRST SHOULDER; Internal Drive Style: CROSS RECESS TYPE 1; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL. 17 total characteristics are documented in the Federal Logistics Information System.