| Item Name | Bolt Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-623-5284 (016235284) |
| NCB Code | USA (01) |
| Manufacturer | Hi Shear Corporation, Boeing Company The |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| MB61-6-20 | hi shear corporation | bolt close tolerance | 73197 | RFQ |
| ST3M453-6-20 | boeing company the | bolt close tolerance | 76301 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUR | Grip Diameter | 0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| AAJD | Thread Class | 3A |
| CMLP | Thread Quantity Per Inch | 24 |
| AATB | Width Between Flats | 0.564 INCHES MAXIMUM |
| MRC | Decoded Requirement | Clear Text Reply |
| AGAV | End Item Identification | A-10 WRP |
| AASA | Thread Length | 0.516 INCHES NOMINAL |
| ANEE | Grip Length | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM |
| CXCY | Part Name Assigned By Controlling Agency | BOLT CLOSE TOLERANCE DOUBLE HEX HEAD |
| SFTT | Surface Treatment | PASSIVATE OVERALL |
| AASB | Fastener Length | 1.766 INCHES NOMINAL |
| THSD | Thread Series Designator | UNJF |
| AHYM | Nominal Thread Diameter | 0.375 INCHES |
| AAJF | Thread Direction | RIGHT-HAND |
| AASU | Head Height | 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM |
| AASK | Head Style | DOUBLE HEXAGON |
| MATT | Material | STEEL COMP XM-13 OVERALL |
| Relevant Components for NSN - 5306-01-623-5284, 5306016235284 | ||||
| 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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