| Item Name | Nut Self Locking Round |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-053-0998 (010530998) |
| NCB Code | USA (01) |
| Manufacturer | Whittet Higgins Company |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJE | THREAD PITCH DIAMETERS | 0.4487 TO 0.4513 INCHES |
| AAJF | THREAD DIRECTION | LEFT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| ABPH | SMALL END DIAMETER | 0.703 INCHES NOMINAL |
| ABQU | DRIVE POINT DEPTH | 0.100 INCHES MINIMUM AND 0.145 INCHES MAXIMUM |
| ACTA | NUT STYLE | ROUND |
| ACTD | NUT DIAMETER | 0.860 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| ADBG | NUT THICKNESS | 0.343 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| ADBH | DRIVE POINT WIDTH | 0.105 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| ADBJ | UNDERCUT THICKNESS | 0.094 INCHES NOMINAL |
| ADBM | DRIVE POINT QUANTITY | 4 |
| BZRR | THREAD SERIES | UNS |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQJX | NOMINAL THREAD SIZE | 0.469 INCHES |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| MATT | MATERIAL | PLASTIC POLYAMIDE LOCKING INSERT |
| MATT | MATERIAL | STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1117 OR STEEL COMP 1118 OR STEEL COMP 1213 OR STEEL COMP 1215 NUT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD ALL MATERIAL RESPONSES NUT |
| Relevant Components for NSN - 5310-01-053-0998, 5310010530998 | ||||
| 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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