| Item Name | Washer Shouldered |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-402-3281 (004023281) |
| NCB Code | USA (00) |
| Manufacturer | Drs Environmental Systems Inc, Hdt Expeditionary Systems Inc, Keco Industries Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
| AAVH | SHOULDER DIAMETER | 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 1.495 INCHES MINIMUM AND 1.505 INCHES MAXIMUM |
| ABMG | SHOULDER HEIGHT | 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM |
| CQBC | MINIMUM TENSILE STRENGTH | 1500 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM |
| MATT | MATERIAL | RUBBER SYNTHETIC OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM D735,TY S715 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | SHOULDERED |
| Relevant Components for NSN - 5310-00-402-3281, 5310004023281 | ||||
| 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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