| Item Name | Nut Self Locking Double Hexagon |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-866-5335 (008665335) |
| NCB Code | USA (00) |
| Manufacturer | Boeing Company The, Sps Technologies Inc, Alcoa Global Fasteners Inc, Leonardo Spa Aerostructure Division, Sikorsky Aircraft Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 3M221-8 | boeing company the | nut self locking double hexagon | 76301 | RFQ |
| 3M221-8 | sps technologies inc | nut self locking double hexagon | 56878 | RFQ |
| FN22-820 | sps technologies inc | nut self locking double hexagon | 80539 | RFQ |
| H23-8 | alcoa global fasteners inc | nut self locking double hexagon | 15653 | RFQ |
| LH3393-080 | sps technologies inc | nut self locking double hexagon | 56878 | RFQ |
| LH3393-080 | leonardo spa aerostructure division | nut self locking double hexagon | a0170 | RFQ |
| SS5089-08 | sikorsky aircraft corporation | nut self locking double hexagon | 78286 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | DOUBLE HEXAGON |
| ADEA | NUT HEIGHT | 0.578 INCHES MAXIMUM |
| AZKQ | TEMP RATING | 500.0 DEG FAHRENHEIT NOMINAL |
| BZRR | THREAD SERIES | UNF |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQJX | NOMINAL THREAD SIZE | 0.500 INCHES |
| CRSQ | COUNTERSINK ANGLE | 109.5 DEGREES MINIMUM AND 110.5 DEGREES MAXIMUM NUT |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| ABAJ | LUBRICATION | DRY FILM LUBRICANT |
| ASDB | WIDTH ACROSS FLATS | 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM |
| CRTM | BEARING SURFACE TYPE | FLAT |
| MATT | MATERIAL | STEEL OVERALL |
| SPCL | SPECIAL TEST FEATURES | 100 MPI INSPECTION |
| Components Related to NSN - 5310-00-866-5335, 5310008665335 | ||||
| 5305-01-222-3196 (5305012223196) | 5340-01-420-2904 (5340014202904) | 5305-01-506-5038 (5305015065038) | 5307-01-093-0586 (5307010930586) | |
| 5306-01-455-2212 (5306014552212) | 5320-01-425-9724 (5320014259724) | 5330-01-429-5246 (5330014295246) | 5340-01-359-3660 (5340013593660) | |
| 5330-01-524-1191 (5330015241191) | 5320-00-395-6445 (5320003956445) | 5310-01-510-7415 (5310015107415) | 5310-01-104-8190 (5310011048190) | |
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