The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-226-4831, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 16 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-226-4831 |
| Primary Part Number | AES01C312A50AW9A91 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | CANCELLED |
| Thread Class | 2A A |
| Surface Treatment Document and Classification | ASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | SAE J429 GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A354 GRADE BD ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Features Provided | FINISHED HEAD |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 18 |
| Material | STEEL OVERALL |
| Surface Finish | 63.0 MICROINCHES THREADS |
| Nondefinitive Spec/std Data | 2 TYPE AND 10P STYLE AND 8 GRADE |
| Thread Direction | RIGHT-HAND |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Style | HEXAGON |
| Head Height | 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN |
| Width Between Flats | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Fastener Length | 1.438 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN |
| Thread Length | 0.875 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 197-115 | Dorman Products, Inc. Dba Dorman (USA) |
| 12Z24-24 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 411375 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 2-170-5-05-901-11 | Fluid Handling Llc (USA) |
| AES01C312A50AW9A91 PRIMARY | The American Society of Mechanical Engineers (USA) |
| M2001BM | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| 5305PL0790297 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 9415819 | General Motors Corp (USA) |
| FFS85 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| B1821BH031C150N | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
| 5306-226-4831 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| MS90728-38 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 11KP390 | Oshkosh Defense Llc (USA) |
| 11KP390 | Oshkosh Corp (USA) |
| 3176210-A-049 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 2-170-5-05-901-11 | Itt Corporation Dba Itt Standard (USA) |
| 180083 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 179822 | Liberty Ventures Inti, Llc (USA) |
| 5306002264831 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 227777 | Fnss Savunma Sistemleri Anonim Sirketi (TUR) |
NSN 5305-00-226-4831 is a Screw,cap,hexagon Head, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-226-4831 has 20 cross-referenced part numbers: 197-115 (Dorman Products, Inc. Dba Dorman), 12Z24-24 (Zf Industrieantriebe Witten Gmbh), 411375 (Zf Industrieantriebe Witten Gmbh), 2-170-5-05-901-11 (Fluid Handling Llc), AES01C312A50AW9A91 (The American Society of Mechanical Engineers) and 15 more.
There are 9 known substitutes for 5305-00-226-4831: 5306-00-018-0083, 5306-00-273-6379, 5360-00-754-5593 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for AES01C312A50AW9A91: Thread Class: 2A A; Surface Treatment Document and Classification: ASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: SAE J429 GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A354 GRADE BD ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL. 20 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-226-4831 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.