| Item Name | Screw Cap Hexagon Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-489-1110 (004891110) |
| NCB Code | USA (00) |
| Manufacturer | National Instruments Corporation, Weaver |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 3.375 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 4.375 INCHES NOMINAL |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.156 INCHES NOMINAL FIRST HOLE |
| AHYM | NOMINAL THREAD DIAMETER | 0.625 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 11 |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.750 INCHES NOMINAL FIRST HOLE |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| MATT | MATERIAL | STEEL OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Components Related to NSN - 5305-00-489-1110, 5305004891110 | ||||
| 5330-01-317-6323 (5330013176323) | 5325-12-153-6230 (5325121536230) | 5330-01-457-9536 (5330014579536) | 5330-01-292-0190 (5330012920190) | |
| 5306-00-385-6716 (5306003856716) | 5330-01-596-0550 (5330015960550) | 5310-01-263-9122 (5310012639122) | 5365-00-685-7933 (5365006857933) | |
| 5330-01-284-5222 (5330012845222) | 5315-01-078-6855 (5315010786855) | 5325-00-373-0965 (5325003730965) | 5305-12-329-9677 (5305123299677) | |
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