| 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) | 01-123-8490 (011238490) |
| NCB Code | USA (01) |
| Manufacturer | Sikorsky Aircraft Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 64356-04051-107 | sikorsky aircraft corporation | nut plain round | 78286 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJE | THREAD PITCH DIAMETERS | 2.1209 TO 2.1260 INCHES |
| AAJF | THREAD DIRECTION | LEFT-HAND |
| ABPH | SMALL END DIAMETER | 2.475 INCHES MINIMUM AND 2.480 INCHES MAXIMUM |
| ABQU | DRIVE POINT DEPTH | 0.086 INCHES MINIMUM AND 0.091 INCHES MAXIMUM |
| ACTA | NUT STYLE | ROUND |
| ACTD | NUT DIAMETER | 2.562 INCHES MINIMUM AND 2.572 INCHES MAXIMUM |
| ADBG | NUT THICKNESS | 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM |
| ADBH | DRIVE POINT WIDTH | 0.250 INCHES MINIMUM AND 0.260 NOMINAL CENTIMETERS |
| ADBJ | UNDERCUT THICKNESS | 0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM |
| ADBM | DRIVE POINT QUANTITY | 8 |
| BZRR | THREAD SERIES | UNS |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 2.157 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 |
| SFTT | SURFACE TREATMENT | OXIDE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Relevant Components for NSN - 5310-01-123-8490, 5310011238490 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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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