| Item Name | Bolt Externally Relieved Body |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-187-0650 (011870650) |
| NCB Code | USA (01) |
| Manufacturer | Navair And Navsea Managed |
| MRC | Criteria | Characteristic |
|---|---|---|
| AATB | Width Between Flats | 0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| AAWC | First Diameter From Head | 0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM |
| AHYM | Nominal Thread Diameter | 0.250 INCHES |
| AASK | Head Style | HEXAGON |
| AASB | Fastener Length | 0.688 INCHES NOMINAL |
| AAJF | Thread Direction | RIGHT-HAND |
| FEAT | Special Features | NYLON PLUG INSERTED 0.188 IN. FROM END,0.094-0.099 IN. DIA BY 0.125 IN. LG |
| AAWJ | Distance From Largest Bearing Surface Of Head To End Of Second Diameter | 0.366 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |
| AAWD | Second Diameter From Head | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
| MDCL | Material Document And Classification | QQ-N-281,CL B,FORM 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| CSNG | Externally Relieved Body Diameter Quantity | 2 |
| AASA | Thread Length | 0.562 INCHES NOMINAL |
| THSD | Thread Series Designator | UNC |
| MRC | Decoded Requirement | Clear Text Reply |
| MATT | Material | NICKEL ALLOY OVERALL |
| AAJD | Thread Class | 2B |
| CMLP | Thread Quantity Per Inch | 20 |
| AAWH | Distance From Largest Bearing Surface Of Head To End Of First Diameter | 0.188 INCHES NOMINAL |
| AASU | Head Height | 0.250 INCHES NOMINAL |
| Relevant Components for NSN - 5306-01-187-0650, 5306011870650 | ||||
| 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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