The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-709-8523, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-709-8523 |
| Primary Part Number | AES01F438A25AW9A91 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | CANCELLED |
| Thread Quantity Per Inch | 20 |
| Thread Length | 1.250 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Fastener Length | 1.250 INCHES NOMINAL IN |
| Width Between Flats | 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Head Height | 0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Head Style | HEXAGON |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | SAE J429 GR8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Class | 2A A |
| Surface Treatment Document and Classification | ASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Thread Series Designator | UNF |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 405AX1 | Oshkosh Defense Llc (USA) |
| ASME B18.2.1 | The American Society of Mechanical Engineers (USA) |
| 405AX1 | Oshkosh Corp (USA) |
| B1821BH044F125N | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
| MS90727-87 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS90726-87 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 71144-87 | Little Giant Crane and Shovel Inc (USA) |
| 10389003 | Nimikkeistokeskus Ncb Finland (FIN) |
| FF-S-85 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| AES01F438A25AW9A91 PRIMARY | The American Society of Mechanical Engineers (USA) |
| 5305007098523 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5305-00-709-8523 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 5305-00-709-8523 has 11 cross-referenced part numbers: 405AX1 (Oshkosh Defense Llc), ASME B18.2.1 (The American Society of Mechanical Engineers), 405AX1 (Oshkosh Corp), B1821BH044F125N (American National Standards Institute Incorporated Dba American National Standards Institute), MS90727-87 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 6 more.
There is 1 known substitute for 5305-00-709-8523: 5305-00-710-4192. Verify interchangeability with system specifications before substitution.
Key specifications for AES01F438A25AW9A91: Thread Quantity Per Inch: 20; Thread Length: 1.250 INCHES MAXIMUM IN; Material: STEEL OVERALL; Fastener Length: 1.250 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-709-8523 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.