| Item Name | Screw Machine |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-657-9039 (016579039) |
| NCB Code | USA (01) |
| Manufacturer | National Aerospace Standards Com |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.35 INCHES MINIMUM AND 0.38 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.35 INCHES MINIMUM AND 0.38 INCHES MAXIMUM |
| AASK | HEAD STYLE | ROUND EXTENDED WASHER |
| AASL | HEAD DIAMETER | 0.343 INCHES MINIMUM AND 0.363 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.085 INCHES MINIMUM AND 0.105 INCHES MAXIMUM |
| AATC | EXTENDED WASHER DIAMETER | 0.413 INCHES MINIMUM AND 0.443 INCHES MAXIMUM |
| AATD | EXTENDED WASHER THICKNESS | 0.030 INCHES MINIMUM AND 0.037 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| AHYM | NOMINAL THREAD DIAMETER | 0.1900 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CXCY | III PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, MACHINE |
| CYAU | SCREW MATERIAL | STEEL COMP 4340 OR STEEL COMP 8740 |
| CYAY | BEARING SURFACE OF HEAD SURFACE TREATMENT | CADMIUM |
| CYAZ | HEAD SURFACE TREATMENT | CADMIUM |
| CYBA | SCREW SURFACE TREATMENT | CADMIUM |
| CYBB | SHANK SURFACE TREATMENT | CADMIUM |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-657-9039, 5305016579039 | ||||
| 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) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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