| Item Name | Screw Machine |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-809-8393 (008098393) |
| NCB Code | USA (00) |
| Manufacturer | Accurate Threaded Products Company, Precision Speed Manufacturing Llc, United Technologies Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASB | FASTENER LENGTH | 0.553 INCHES MINIMUM AND 0.573 INCHES MAXIMUM |
| AASK | HEAD STYLE | HEXAGON |
| CYAU | SCREW MATERIAL | IRON ALLOY 660 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.491 INCHES MINIMUM AND 0.553 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CFSG | NONSTANDARD THREAD PITCH DIAMETER | 0.1644 TO 0.1667 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MAXIMUM |
| CYAW | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE |
| CYBA | SCREW SURFACE TREATMENT | SILVER |
| PRMT | PRECIOUS MATERIAL | SILVER |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5305-00-809-8393, 5305008098393 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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