| Item Name | Screw Externally Relieved Body |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-599-3221 (015993221) |
| NCB Code | USA (01) |
| Manufacturer | Keystone Electronics Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.125 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 0.374 INCHES NOMINAL |
| AASK | HEAD STYLE | KNURLED NO. 4 |
| AASL | HEAD DIAMETER | 0.320 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.312 INCHES NOMINAL |
| AAUY | POINT LENGTH | 0.078 INCHES NOMINAL |
| AAVA | POINT DIAMETER | 0.078 INCHES NOMINAL |
| AAWC | FIRST DIAMETER FROM HEAD | 0.078 INCHES NOMINAL |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AGAV | END ITEM IDENTIFICATION | 7010-01-513-8459 COMPUTER SET,DIGITAL |
| AHYM | NOMINAL THREAD DIAMETER | 4.0 MILLIMETERS |
| CMLP | THREAD QUANTITY PER INCH | 40 |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | THUMBSCREW |
| FEAT | SPECIAL FEATURES | HEAD:STRAIGHT KNURL |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A581/A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Relevant Components for NSN - 5305-01-599-3221, 5305015993221 | ||||
| 5320-01-318-6843 (5320013186843) | 5340-01-557-4760 (5340015574760) | 5340-00-336-3776 (5340003363776) | 5340-01-560-8528 (5340015608528) | |
| 5330-01-684-2979 (5330016842979) | 5310-01-185-8686 (5310011858686) | 5360-00-394-4491 (5360003944491) | 5320-01-267-6376 (5320012676376) | |
| 5315-00-432-8021 (5315004328021) | 5315-01-271-9296 (5315012719296) | 5340-01-353-1927 (5340013531927) | 5320-01-413-1816 (5320014131816) | |
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