| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-019-1975 (010191975) |
| NCB Code | USA (01) |
| Manufacturer | Honeywell International Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.188 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 0.375 INCHES NOMINAL |
| ABKY | EXTERNAL PREBENT KEY LENGTH | 0.094 INCHES NOMINAL |
| ABLD | EXTERNAL TAPERED KEY WIDTH | 0.219 INCHES NOMINAL |
| ABLF | EXTERNAL PREBENT KEY WIDTH | 0.125 INCHES NOMINAL |
| ABLS | DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.281 INCHES NOMINAL |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 0.594 INCHES NOMINAL |
| ABMM | SPLIT KEY LENGTH | 0.125 INCHES NOMINAL |
| ABMQ | EXTERNAL KEY QUANTITY | 1 |
| ABPX | MATERIAL THICKNESS | 0.031 INCHES NOMINAL |
| CSFW | ANGLE BETWEEN EXTERNAL KEYS | 45.0 DEGREES NOMINAL |
| CSKN | EXTERNAL PREBENT KEY ANGLE | 10.0 DEGREES NOMINAL |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Relevant Components for NSN - 5310-01-019-1975, 5310010191975 | ||||
| 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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