| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-025-7197 (000257197) |
| NCB Code | USA (00) |
| Manufacturer | H C Merchandisers Inc, A And K Mfg Co Inc, Bombardier Aerospace |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.610 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 3.860 INCHES NOMINAL |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.371 INCHES MINIMUM FIRST SHOULDER AND 0.374 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 3.245 INCHES MINIMUM FIRST SHOULDER AND 3.255 INCHES MAXIMUM FIRST SHOULDER |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM FIRST HOLE AND 0.086 INCHES MAXIMUM FIRST HOLE |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQBC | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.500 INCHES NOMINAL FIRST HOLE |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5306-00-025-7197, 5306000257197 | ||||
| 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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