| Item Name | Bolt Shoulder |
| INC Code | 04905 |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-589-1049 (005891049) |
| NCB Code | USA (00) |
| Manufacturer | Bombardier Aerospace |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.280 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 1.950 INCHES NOMINAL |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.5611 INCHES MINIMUM AND 0.5616 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 1.570 INCHES NOMINAL FIRST SHOULDER |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES NOMINAL FIRST HOLE |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.830 INCHES NOMINAL FIRST HOLE |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| FEAT | SPECIAL FEATURES | UNDERCUT FOR THREAD RELIEF |
| MATT | MATERIAL | STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 4140 OR STEEL COMP 4130 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 4TH MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5306-00-589-1049, 5306005891049 | ||||
| 5306-01-044-6542 (5306010446542) | 5306-00-638-3143 (5306006383143) | 5306-01-599-7864 (5306015997864) | 5306-01-580-9186 (5306015809186) | |
| 5306-00-836-0237 (5306008360237) | 5306-00-490-4588 (5306004904588) | 5306-00-515-7096 (5306005157096) | 5306-01-339-9553 (5306013399553) | |
| 5306-00-655-7488 (5306006557488) | 5306-01-669-6717 (5306016696717) | 5306-00-151-0433 (5306001510433) | 5306-00-452-4577 (5306004524577) | |
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AS9120B and ISO 9001:2015 |
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Aviation Suppliers Association Member |
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FAA AC 0056B Accredited |
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AS 6081:2012 Certification |
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ESD S20.20-2014 Certification |
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