| Item Name | Screw Machine |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-620-9613 (016209613) |
| NCB Code | USA (01) |
| Manufacturer | National Aerospace Standards Com |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.47 INCHES MINIMUM AND 0.50 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.47 INCHES MINIMUM AND 0.50 INCHES MAXIMUM |
| AASK | HEAD STYLE | PAN |
| AASL | HEAD DIAMETER | 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| AHYM | NOMINAL THREAD DIAMETER | 0.1640 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, PAN HEAD |
| CYAU | SCREW MATERIAL | STEEL CORROSION RESISTING |
| CYAW | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5853 ASSN STD SINGLE MATERIAL RESPONSE |
| CYAY | BEARING SURFACE OF HEAD SURFACE TREATMENT | CADMIUM |
| CYAZ | HEAD SURFACE TREATMENT | CADMIUM |
| CYBA | SCREW SURFACE TREATMENT | CADMIUM |
| CYBB | SHANK SURFACE TREATMENT | CADMIUM |
| CYBC | BEARING SURFACE OF HEAD SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE |
| CYBD | HEAD SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE |
| CYBE | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE |
| CYBF | SHANK SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE |
| THSD | THREAD SERIES DESIGNATOR | UNJC |
| Relevant Components for NSN - 5305-01-620-9613, 5305016209613 | ||||
| 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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