| Item Name | Bolt Ribbed Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-701-9981 (007019981) |
| NCB Code | USA (00) |
| Manufacturer | Saginaw Products Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.946 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 2.280 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.810 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.593 INCHES MINIMUM FIRST SHOULDER AND 0.598 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 2.500 INCHES NOMINAL FIRST SHOULDER |
| AAVP | RIB MAJOR DIAMETER | 0.614 INCHES MINIMUM AND 0.619 INCHES MAXIMUM |
| AAVR | DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.060 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQBC | MINIMUM TENSILE STRENGTH | 130000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 29.0 ROCKWELL C MINIMUM OVERALL AND 36.0 ROCKWELL C MAXIMUM OVERALL |
| CWYB | SHOULDER SHAPE | RIBBED FIRST SHOULDER |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AASU | HEAD HEIGHT | 0.234 INCHES NOMINAL |
| AAVQ | RIB LENGTH | 0.750 INCHES NOMINAL |
| Relevant Components for NSN - 5306-00-701-9981, 5306007019981 | ||||
| 5365-99-998-9980 (5365999989980) | 5365-99-998-9265 (5365999989265) | 5365-99-997-1598 (5365999971598) | 5365-99-996-9236 (5365999969236) | |
| 5365-99-994-0353 (5365999940353) | 5365-99-994-0176 (5365999940176) | 5365-99-992-1527 (5365999921527) | 5365-99-990-8469 (5365999908469) | |
| 5365-99-989-0900 (5365999890900) | 5365-99-987-5556 (5365999875556) | 5365-99-983-0520 (5365999830520) | 5365-99-979-8712 (5365999798712) | |
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