| 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) | 00-845-7639 (008457639) |
| NCB Code | USA (00) |
| Manufacturer | Sundstrand International Corporation, Westinghouse Electric Corp, Hamilton Sundstrand Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| ACTA | NUT STYLE | ROUND |
| ACTD | NUT DIAMETER | 1.547 INCHES MINIMUM AND 1.578 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 48.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CHROMIUM OVERALL |
| AAJD | THREAD CLASS | 2B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAWY | COUNTERBORE DIAMETER | 0.984 INCHES MINIMUM NUT AND 1.016 INCHES MAXIMUM NUT |
| ABQU | DRIVE POINT DEPTH | 0.078 NOMINAL MILS AND 0.109 NOMINAL CENTIMETERS |
| ADBG | NUT THICKNESS | 0.308 INCHES MINIMUM AND 0.318 INCHES MAXIMUM |
| ADBH | DRIVE POINT WIDTH | 0.172 NOMINAL MILS AND 0.203 NOMINAL CENTIMETERS |
| ADBM | DRIVE POINT QUANTITY | 4 |
| ADFK | NUT COUNTERBORE DEPTH | 0.047 INCHES MINIMUM NUT AND 0.078 INCHES MAXIMUM NUT |
| BZRR | THREAD SERIES | UNS |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQJX | NOMINAL THREAD SIZE | 0.969 INCHES |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL |
| Components Related to NSN - 5310-00-845-7639, 5310008457639 | ||||
| 5340-01-631-5368 (5340016315368) | 5330-01-297-3590 (5330012973590) | 5360-00-245-2131 (5360002452131) | 5365-01-571-1663 (5365015711663) | |
| 5342-01-255-3551 (5342012553551) | 5330-01-556-4440 (5330015564440) | 5330-01-613-3472 (5330016133472) | 5342-01-259-3873 (5342012593873) | |
| 5340-00-575-1873 (5340005751873) | 5310-00-151-9032 (5310001519032) | 5315-01-622-0550 (5315016220550) | 5340-01-429-0419 (5340014290419) | |
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