| 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) | 00-638-1126 (006381126) |
| NCB Code | USA (00) |
| Manufacturer | Rotair Industries Inc, Sikorsky Aircraft Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| S1640-61105 | rotair industries inc | nut plain round | 54878 | RFQ |
| S1640-61105 | sikorsky aircraft corporation | nut plain round | 78286 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ABQU | DRIVE POINT DEPTH | 0.156 INCHES MINIMUM AND 0.219 INCHES MAXIMUM |
| ACTA | NUT STYLE | ROUND |
| ACTD | NUT DIAMETER | 2.469 INCHES MINIMUM AND 2.531 INCHES MAXIMUM |
| ADBG | NUT THICKNESS | 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM |
| ADBH | DRIVE POINT WIDTH | 0.125 NOMINAL MILS AND 0.188 NOMINAL CENTIMETERS |
| ADBM | DRIVE POINT QUANTITY | 6 |
| BZRR | THREAD SERIES | UN |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| CQJX | NOMINAL THREAD SIZE | 2.250 INCHES |
| CRSQ | COUNTERSINK ANGLE | 109.5 DEGREES MINIMUM NUT AND 110.5 DEGREES MAXIMUM NUT |
| MATT | MATERIAL | MAGNESIUM ALLOY OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-M-31 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Components Related to NSN - 5310-00-638-1126, 5310006381126 | ||||
| 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) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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