| Item Name | Nut Self Locking Hexagon |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-550-0989 (005500989) |
| NCB Code | USA (00) |
| Manufacturer | Dsk Engineering And Technology Inc, Hyperion Industries Inc, Essex Industries Inc, Harvard Industries Inc, Fitz Aerospace Llc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| HY-521-7 | dsk engineering and technology inc | nut self locking hexagon | RFQ |
| HY-521-7 | hyperion industries inc | nut self locking hexagon | RFQ |
| A107 | essex industries inc | nut self locking hexagon | RFQ |
| 68NC4-62 | harvard industries inc | nut self locking hexagon | RFQ |
| 68NC4-62 | fitz aerospace llc | nut self locking hexagon | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| ACTA | NUT STYLE | HEXAGON |
| ADEA | NUT HEIGHT | 0.338 INCHES NOMINAL |
| ASDB | WIDTH ACROSS FLATS | 0.323 INCHES NOMINAL |
| BZRR | THREAD SERIES | UNC |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQJX | NOMINAL THREAD SIZE | 0.138 INCHES |
| CRTM | BEARING SURFACE TYPE | FLAT |
| MATT | MATERIAL | ALUMINUM ALLOY NUT |
| MATT | MATERIAL | PLASTIC POLYAMIDE LOCKING INSERT |
| SFTT | SURFACE TREATMENT | ANODIZE NUT |
| Relevant Components for NSN - 5310-00-550-0989, 5310005500989 | ||||
| 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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