| Item Name | Screw Machine |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-348-8097 (013488097) |
| NCB Code | USA (01) |
| Manufacturer | Society Of Automotive Engineers Inc, Sae International, Military Standards Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AASA | THREAD LENGTH | 0.638 INCHES MINIMUM AND 0.678 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.250 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.2188 INCHES NOMINAL |
| CYBL | THREAD SURFACE FINISH | 32.0 MICROINCHES |
| AASK | HEAD STYLE | DOUBLE HEXAGON W/ HOLE |
| AASU | HEAD HEIGHT | 0.230 INCHES NOMINAL |
| AATD | EXTENDED WASHER THICKNESS | 0.030 INCHES MINIMUM |
| ABQZ | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| CYBH | BEARING SURFACE OF HEAD SURFACE FINISH | 32.0 MICROINCHES |
| CYBK | SHANK SURFACE FINISH | 32.0 MICROINCHES |
| AATC | EXTENDED WASHER DIAMETER | 0.312 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.164 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CMLP | THREAD QUANTITY PER INCH | 36 |
| CYAU | SCREW MATERIAL | IRON ALLOY 660 |
| CYAW | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-348-8097, 5305013488097 | ||||
| 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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