AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Nut Plain Round |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-818-0490 (008180490) |
| NCB Code | USA (00) |
| Manufacturer | Allison Transmission Inc, Rolls Royce Corporation, Shackelford Machining Inc, Pacific Sky Supply Inc, Alamo Aircraft Ltd, Adk Machine Inc, Preci Manufacturing Incorporated, Md3 Industries Ltd, General Motors Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 6784981 | allison transmission inc | nut plain round | RFQ |
| 6784981 | rolls royce corporation | nut plain round | RFQ |
| 6784981 | shackelford machining inc | nut plain round | RFQ |
| 6784981 | pacific sky supply inc | nut plain round | RFQ |
| 6784981 | alamo aircraft ltd | nut plain round | RFQ |
| 6784981 | adk machine inc | nut plain round | RFQ |
| 6784981 | preci manufacturing incorporated | nut plain round | RFQ |
| 6784981 | md3 industries ltd | nut plain round | RFQ |
| 6784981 | general motors corp | nut plain round | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | LEFT-HAND |
| ABQU | DRIVE POINT DEPTH | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| ACTD | NUT DIAMETER | 3.459 INCHES MINIMUM AND 3.479 INCHES MAXIMUM |
| ADBG | NUT THICKNESS | 0.415 INCHES MINIMUM AND 0.425 INCHES MAXIMUM |
| ADBH | DRIVE POINT WIDTH | 0.428 NOMINAL MILS AND 0.448 INCHES MAXIMUM |
| ADBM | DRIVE POINT QUANTITY | 8 |
| ALET | HOLE TYPE AND QUANTITY | 8 DRILLED |
| BZRR | THREAD SERIES | UN |
| CBBL | FEATURES PROVIDED | CASEHARDENED |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| CQFM | HARDNESS RATING | 60.0 ROCKWELL C MINIMUM |
| CQJX | NOMINAL THREAD SIZE | 2.875 INCHES |
| CRHC | HOLE CONFIGURATION STYLE | CONFIGURATION F |
| SFTT | SURFACE TREATMENT | PHOSPHATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2481 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| ACTA | NUT STYLE | ROUND |
| AGGP | DRILLED HOLE DIAMETER | 0.201 INCHES NOMINAL |
| CRSQ | COUNTERSINK ANGLE | 119.0 DEGREES MINIMUM NUT AND 121.0 DEGREES MAXIMUM 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 - 5310-00-818-0490, 5310008180490 | ||||
| 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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