The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-424-8744, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is American National Standards Institute Incorporated Dba American National Standards Institute. Government technical data includes 14 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 | 5305-01-424-8744 |
| Primary Part Number | B1821BH050F225N |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | American National Standards Institute Incorporated Dba American National Standards Institute |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND |
| Thread Length | 1.250 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Material | STEEL OVERALL |
| Material Document and Classification | ASTM A354,GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Thread Quantity Per Inch | 13 |
| Surface Treatment | ZINC OVERALL |
| Thread Series Designator | UNF |
| Surface Treatment Document and Classification | ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Fastener Length | 2.250 INCHES NOMINAL IN |
| Head Style | HEXAGON |
| Width Between Flats | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Head Height | 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B1821BH050F225N PRIMARY | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
NSN 5305-01-424-8744 is a Screw,cap,hexagon Head, manufactured by American National Standards Institute Incorporated Dba American National Standards Institute, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-424-8744 has 1 cross-referenced part number: B1821BH050F225N (American National Standards Institute Incorporated Dba American National Standards Institute).
There is 1 known substitute for 5305-01-424-8744: 5305-00-719-5239. Verify interchangeability with system specifications before substitution.
Key specifications for B1821BH050F225N: Thread Direction: RIGHT-HAND; Thread Length: 1.250 INCHES NOMINAL IN; Thread Class: 2A A; Material: STEEL OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.