| Item Name | Nut Self Locking Round |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-074-1558 (000741558) |
| NCB Code | USA (00) |
| Manufacturer | Fitz Aerospace Llc, The Boeing Company, Olympic Tool And Machine Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| A02R2876-1 | fitz aerospace llc | nut self locking round | RFQ |
| A02R2876 1 | the boeing company | nut self locking round | RFQ |
| A02R2876-1 | olympic tool and machine corp | nut self locking round | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| ABPH | SMALL END DIAMETER | 3.463 INCHES MINIMUM AND 3.470 INCHES MAXIMUM |
| ABQU | DRIVE POINT DEPTH | 0.530 INCHES NOMINAL |
| ACTA | NUT STYLE | ROUND |
| ACTD | NUT DIAMETER | 4.250 INCHES NOMINAL |
| ADBG | NUT THICKNESS | 0.400 INCHES NOMINAL |
| ADBH | DRIVE POINT WIDTH | 0.235 INCHES MINIMUM AND 0.255 INCHES MAXIMUM |
| ADBM | DRIVE POINT QUANTITY | 4 |
| BZRR | THREAD SERIES | UN |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| CQJX | NOMINAL THREAD SIZE | 3.250 INCHES |
| CRSQ | COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL NUT |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Relevant Components for NSN - 5310-00-074-1558, 5310000741558 | ||||
| 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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