| Item Name | Seat Ball Socket |
| Federal Supply Group (FSG) | Fire Control Equipment |
| Federal Supply Class (FSC) | 1240 Optical Sighting And Ranging Equipment |
| National Item Identification Number (NIIN) | 00-731-1784 (007311784) |
| NCB Code | USA (00) |
| Manufacturer | Handy Tool And Mfg Co Inc, Springfield Armory |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKV | Outside Diameter | 0.220 INCHES NOMINAL |
| STYL | Style Designator | SEAT |
| ABKW | Overall Height | 0.140 INCHES NOMINAL |
| AAUB | Hole Diameter | 0.197 INCHES NOMINAL |
| ABRV | Keyway Depth | 0.015 INCHES NOMINAL |
| ABGG | Radius | 0.099 INCHES NOMINAL |
| MATT | Material | COPPER ALLOY |
| BYXB | Cutout Width | 0.031 INCHES NOMINAL |
| MRC | Decoded Requirement | Clear Text Reply |
| BYWZ | Inside Bevel Angle In Deg | 30 |
| ABRR | Keyway Width | 0.031 INCHES NOMINAL |
| Components Related to NSN - 1240-00-731-1784, 1240007311784 | ||||
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