| 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) | 00-055-2350 (000552350) |
| NCB Code | USA (00) |
| Manufacturer | Alcoa Global Fasteners Inc, Fitz Aerospace Llc, Bristol Industries, Sps Technologies Inc, Sikorsky Aircraft Corporation, Simmonds Precision Products Inc, Harvard Industries Inc, Greer Industries Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| LH6521-064 | alcoa global fasteners inc | nut self locking double hexagon | RFQ |
| LH6521-064 | fitz aerospace llc | nut self locking double hexagon | RFQ |
| SS5086-06 | bristol industries | nut self locking double hexagon | RFQ |
| EWSN26-6 | sps technologies inc | nut self locking double hexagon | RFQ |
| SS5086-06 | sikorsky aircraft corporation | nut self locking double hexagon | RFQ |
| 090138-01 | simmonds precision products inc | nut self locking double hexagon | RFQ |
| LH6521-064 | harvard industries inc | nut self locking double hexagon | RFQ |
| EWSN26AG-06 | sps technologies inc | nut self locking double hexagon | RFQ |
| LH6521-064 | greer 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 |
| ACTA | NUT STYLE | DOUBLE HEXAGON |
| ADEA | NUT HEIGHT | 0.303 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| ASDB | WIDTH ACROSS FLATS | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM |
| AZKQ | TEMP RATING | 500.0 DEG FAHRENHEIT NOMINAL |
| BZRR | THREAD SERIES | UNF |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQFM | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.375 INCHES |
| CRTM | BEARING SURFACE TYPE | CHAMFERED |
| MATT | MATERIAL | STEEL COMP 8630 OVERALL OR STEEL COMP 4037 OVERALL OR STEEL COMP 601 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6280 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS 6300 ASSN STD 2ND MATERIAL RESPONSE OVERALL OR AMS 6304 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Relevant Components for NSN - 5310-00-055-2350, 5310000552350 | ||||
| 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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