AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| 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) | 00-175-3055 (001753055) |
| NCB Code | USA (00) |
| Manufacturer | Fitz Aerospace Llc, Inspektorat Wsparcia Sil Zbrojnych, Sps Technologies Inc, National Aerospace Standards Com, Amerace Corp, Alcoa Global Fasteners Inc, Harvard Industries Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| LH6520-054 | fitz aerospace llc | nut self locking double hexagon | RFQ |
| 5310PL0145229 | inspektorat wsparcia sil zbrojnych | nut self locking double hexagon | RFQ |
| EWSN22A5 | sps technologies inc | nut self locking double hexagon | RFQ |
| NAS1759-5 | national aerospace standards com | nut self locking double hexagon | RFQ |
| LH6520-054 | amerace corp | nut self locking double hexagon | RFQ |
| H29251X5 | alcoa global fasteners inc | nut self locking double hexagon | RFQ |
| LH6520-054 | harvard industries inc | nut self locking double hexagon | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| ABAJ | LUBRICATION | SOLUBLE LUBRICANT |
| ACTA | NUT STYLE | DOUBLE HEXAGON |
| ADEA | NUT HEIGHT | 0.245 INCHES MAXIMUM |
| ASDB | WIDTH ACROSS FLATS | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
| AZKQ | TEMP RATING | 450.0 DEG FAHRENHEIT NOMINAL |
| BZRR | THREAD SERIES | UNJF |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQFM | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.312 INCHES |
| CRTM | BEARING SURFACE TYPE | CHAMFERED |
| CSXL | BEARING SURFACE FINISH | 125.0 MICROINCHES |
| MATT | MATERIAL | STEEL COMP 601 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6300 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS 6304 ASSN STD 2ND MATERIAL RESPONSE OVERALL OR AMS 6280 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS1759 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Relevant Components for NSN - 5310-00-175-3055, 5310001753055 | ||||
| 5365-01-101-3819 (5365011013819) | 5305-01-006-9246 (5305010069246) | 5310-00-639-2818 (5310006392818) | 5310-01-332-9051 (5310013329051) | |
| 5330-01-399-2381 (5330013992381) | 5340-01-496-5144 (5340014965144) | 5342-00-326-6390 (5342003266390) | 5305-01-361-1154 (5305013611154) | |
| 5305-01-516-4729 (5305015164729) | 5330-15-007-8953 (5330150078953) | 5340-01-078-1350 (5340010781350) | 5310-01-471-5429 (5310014715429) | |
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