The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-221-3157, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lawson Products, Inc.. Government technical data includes 12 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-221-3157 |
| Primary Part Number | A604 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Lawson Products, Inc. |
| Status | ACTIVE |
| Thread Class | 2A A |
| Thread Length | 0.750 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Thread Direction | RIGHT-HAND |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Fastener Length | 1.500 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 20 |
| Head Height | 0.150 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Width Between Flats | 0.425 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 190000 POUNDS PER SQUARE INCH LBS |
| Head Style | HEXAGON |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A604 PRIMARY | Lawson Products, Inc. (USA) |
NSN 5305-01-221-3157 is a Screw,cap,hexagon Head, manufactured by Lawson Products, Inc., classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-221-3157 has 1 cross-referenced part number: A604 (Lawson Products, Inc.).
There are 8 known substitutes for 5305-01-221-3157: 5325-00-282-5607, 5961-00-455-4384, 3120-00-540-8584 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for A604: Thread Class: 2A A; Thread Length: 0.750 INCHES NOMINAL IN; Material: STEEL OVERALL; Thread Direction: RIGHT-HAND. 12 total characteristics are documented in the Federal Logistics Information System.