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) | 00-912-0658 (009120658) |
| NCB Code | USA (00) |
| Manufacturer | United Technologies Corporation, Dell Manufacturing Co Inc, American Aircraft Parts Mfg Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAWY | COUNTERBORE DIAMETER | 5.277 INCHES MINIMUM AND 5.283 INCHES MAXIMUM BASE |
| ABQU | DRIVE POINT DEPTH | 0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| ACTA | NUT STYLE | ROUND |
| ACTD | NUT DIAMETER | 5.572 INCHES MINIMUM AND 5.576 INCHES MAXIMUM |
| ADBG | NUT THICKNESS | 1.640 INCHES MINIMUM AND 1.660 INCHES MAXIMUM |
| ADBH | DRIVE POINT WIDTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| ADBM | DRIVE POINT QUANTITY | 10 |
| ADFK | NUT COUNTERBORE DEPTH | 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM BASE |
| ALET | HOLE TYPE AND QUANTITY | 18 TAPPED |
| BZRR | THREAD SERIES | UNJS |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| CQFM | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 4.9375 INCHES |
| CQTW | HOLE THREAD QUANTITY PER INCH | 28 |
| CRHC | HOLE CONFIGURATION STYLE | CONFIGURATION F |
| CRSQ | COUNTERSINK ANGLE | 2.0 DEGREES MINIMUM AND 4.0 DEGREES MAXIMUM BASE |
| CSPF | HOLE NOMINAL THREAD DIAMETER | 0.216 INCHES |
| FEAT | SPECIAL FEATURES | 54 HOLES,0.084 IN. MIN 0.094 IN. MAX DIA,FROM BASE TO BOTTOM OF INSIDE GROOVE BEYOND THREADS; INSIDE DIAMETER 4.960 IN. MIN,4.970 IN. MAX,UNTHREADED PORTION; EXTERNAL GROOVE,0.050 IN. MIN,0.070 IN. MAX W; 5.390 IN. MIN,5.410 IN. MAX OD,DRIV |
| MATT | MATERIAL | STEEL COMP 8740 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OR AM 6323 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | SILVER OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2210 ASSN STD SINGLE TREATMENT RESPONSE OR AMS 2212 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Relevant Components for NSN - 5310-00-912-0658, 5310009120658 | ||||
| 5320-01-311-2514 (5320013112514) | 5365-01-606-7886 (5365016067886) | 5310-01-687-5946 (5310016875946) | 5331-01-345-2325 (5331013452325) | |
| 5331-01-137-6352 (5331011376352) | 5340-01-677-5187 (5340016775187) | 5310-01-215-1121 (5310012151121) | 5330-01-558-9303 (5330015589303) | |
| 5320-01-007-1870 (5320010071870) | 5365-00-542-0989 (5365005420989) | 5305-01-279-0723 (5305012790723) | 5315-01-181-8363 (5315011818363) | |
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