The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-611-9989, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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 | 5305-01-611-9989 |
| Primary Part Number | AES01C312A75WA2D71 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Thread Length | 0.875 INCHES NOMINAL IN |
| Fastener Length | 1.750 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 18 |
| Width Between Flats | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Diameter | 0.3125 INCHES IN |
| Head Style | HEXAGON |
| Head Height | 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Surface Treatment | ZINC OVERALL |
| Specification/standard Data | 05047-ASME-B18.24-2015 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment Document and Classification | ASTM F1941,ZINC FE/ZN,TYPE 3A ASSN STD SINGLE TREATMENT RESPONSE OVERALL A |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material | STEEL OVERALL |
| Material Document and Classification | SAE J429,GRADE 5 CARBON STEEL NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AES01C312A75WA2D71 PRIMARY | The American Society of Mechanical Engineers (USA) |
| B18.2 | The American Society of Mechanical Engineers (USA) |
NSN 5305-01-611-9989 is a Screw,cap,hexagon Head, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-611-9989 has 2 cross-referenced part numbers: AES01C312A75WA2D71 (The American Society of Mechanical Engineers), B18.2 (The American Society of Mechanical Engineers).
There are 8 known substitutes for 5305-01-611-9989: 5305-00-068-0502, 4520-00-368-8327, 3020-00-401-8147 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for AES01C312A75WA2D71: Thread Length: 0.875 INCHES NOMINAL IN; Fastener Length: 1.750 INCHES NOMINAL IN; End Item Identification: A/S48M-4 UMS; Thread Quantity Per Inch: 18. 17 total characteristics are documented in the Federal Logistics Information System.