AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| 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 | Olympic Tool And Machine Corp, The Boeing Company, Fitz Aerospace Llc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| A02R2876-1 | olympic tool and machine corp | nut self locking round | RFQ |
| A02R2876 1 | the boeing company | nut self locking round | RFQ |
| A02R2876-1 | fitz aerospace llc | 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 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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