| Item Name | Nut Sleeve |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-840-1975 (008401975) |
| NCB Code | USA (00) |
| Manufacturer | Army United States Department Of The |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAWY | COUNTERBORE DIAMETER | 0.263 INCHES MINIMUM NUT AND 0.268 INCHES MAXIMUM NUT |
| ACVN | NUT LENGTH | 0.334 INCHES MINIMUM AND 0.344 INCHES MAXIMUM |
| ADFK | NUT COUNTERBORE DEPTH | 0.060 INCHES NOMINAL NUT |
| BZRR | THREAD SERIES | UNF |
| CRSQ | COUNTERSINK ANGLE | 120.0 DEGREES NOMINAL NUT |
| MATT | MATERIAL | STEEL COMP 317 OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ABKK | FLANGE DIAMETER | 0.560 INCHES NOMINAL |
| ABKU | FLANGE THICKNESS | 0.125 INCHES NOMINAL |
| ACTA | NUT STYLE | SLEEVE |
| ACTD | NUT DIAMETER | 0.310 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| ANLR | CROSS-SECTIONAL SHAPE | ROUND W/SPLINES FLANGE |
| CBBL | FEATURES PROVIDED | CASEHARDENED |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQFM | HARDNESS RATING | 88.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 92.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES |
| SFTT | SURFACE TREATMENT | PHOSPHATE OVERALL |
| Relevant Components for NSN - 5310-00-840-1975, 5310008401975 | ||||
| 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) | |
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