The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-719-5239, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-719-5239 |
| Primary Part Number | B1821AH050F225N |
| 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 | CANCELLED |
| Thread Direction | RIGHT-HAND |
| Thread Length | 1.250 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN |
| Thread Series Designator | UNF |
| Thread Quantity Per Inch | 20 |
| Material Document and Classification | SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Fastener Length | 2.156 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Class | 2A A |
| Head Style | HEXAGON |
| Width Between Flats | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Material | STEEL OVERALL |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Head Height | 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 5305007195239 | E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| MS90727-116 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| B1821BH050F225N | The American Society of Mechanical Engineers (USA) |
| B1821AH050F225N PRIMARY | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
| MS90727-116 | Psa Peugeot-Citroen Espana, Sa (ESP) |
| MS90726-116 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 10082571 | Nimikkeistokeskus Ncb Finland (FIN) |
| 199-422 | Dorman Products, Inc. Dba Dorman (USA) |
| 326-1023-000 | Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA) |
NSN 5305-00-719-5239 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: cancelled.
NSN 5305-00-719-5239 has 9 cross-referenced part numbers: 5305007195239 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee), MS90727-116 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), B1821BH050F225N (The American Society of Mechanical Engineers), B1821AH050F225N (American National Standards Institute Incorporated Dba American National Standards Institute), MS90727-116 (Psa Peugeot-Citroen Espana, Sa) and 4 more.
There are 3 known substitutes for 5305-00-719-5239: 5305-00-716-8183, 5998-00-993-8853, 5305-01-424-8744. Verify interchangeability with system specifications before substitution.
Key specifications for B1821AH050F225N: Thread Direction: RIGHT-HAND; Thread Length: 1.250 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN; Thread Series Designator: UNF; Thread Quantity Per Inch: 20. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-719-5239 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.