| Item Name | Nut Self Locking Barrel |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-488-9138 (004889138) |
| NCB Code | USA (00) |
| Manufacturer | Harvard Industries Inc, Sps Technologies Inc, Fitz Aerospace Llc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| AAWY | COUNTERBORE DIAMETER | 0.563 INCHES NOMINAL FIRST END |
| ACTA | NUT STYLE | NON-FLOATING SELF-LOCKING BARREL |
| ACTD | NUT DIAMETER | 0.863 INCHES MINIMUM AND 0.866 INCHES MAXIMUM |
| ACVN | NUT LENGTH | 0.750 INCHES NOMINAL |
| ADBA | BARREL HEIGHT | 0.618 NOMINAL INCHES |
| ADEA | NUT HEIGHT | 0.718 INCHES NOMINAL |
| ADFK | NUT COUNTERBORE DEPTH | 0.094 INCHES NOMINAL FIRST END |
| BZRR | THREAD SERIES | UNF |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.500 INCHES |
| MATT | MATERIAL | PLASTIC POLYAMIDE LOCKING INSERT |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL EXCEPT INSERT |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL EXCEPT INSERT |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TYPE I CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| Relevant Components for NSN - 5310-00-488-9138, 5310004889138 | ||||
| 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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