| Item Name | Bolt Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-377-5606 (003775606) |
| NCB Code | USA (00) |
| Manufacturer | Ms Aerospace Inc, Sps Technologies Inc, United Technologies Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.350 INCHES MINIMUM AND 0.400 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM |
| AASK | HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| AASU | HEAD HEIGHT | 0.244 INCHES MINIMUM AND 0.264 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.313 INCHES NOMINAL |
| AATC | EXTENDED WASHER DIAMETER | 0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM |
| AATD | EXTENDED WASHER THICKNESS | 0.032 INCHES MINIMUM |
| AAUB | HOLE DIAMETER | 0.055 INCHES NOMINAL |
| AAUR | GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| ASXK | HOLE QUANTITY | 4 |
| BQDM | HOLE TYPE | DRILLED |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRHC | HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE |
| MATT | MATERIAL | NICKEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5758 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Components Related to NSN - 5306-00-377-5606, 5306003775606 | ||||
| 5340-01-301-6428 (5340013016428) | 5315-01-359-8766 (5315013598766) | 5330-01-647-7723 (5330016477723) | 5330-00-883-3709 (5330008833709) | |
| 5330-01-632-1994 (5330016321994) | 5330-01-209-0521 (5330012090521) | 5306-00-687-6359 (5306006876359) | 5331-01-699-1752 (5331016991752) | |
| 5340-00-337-5707 (5340003375707) | 5340-00-427-0270 (5340004270270) | 5342-00-467-6645 (5342004676645) | 5340-01-227-0536 (5340012270536) | |
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