| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-021-4923 (000214923) |
| NCB Code | USA (00) |
| Part No | Manufacturer | Item Name | QTY | RFQ |
|---|---|---|---|---|
| 636370 | alcoa global fasteners inc | bolt shoulder | Avl | RFQ |
| 636370 | valco inc | bolt shoulder | Avl | RFQ |
| 636370 | sps technologies ltd | bolt shoulder | Avl | RFQ |
| 636370 | united technologies corp | bolt shoulder | Avl | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.288 INCHES MINIMUM AND 0.318 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.905 INCHES MINIMUM AND 1.925 INCHES MAXIMUM |
| AASK | HEAD STYLE | TEE NO. 6 |
| AASU | HEAD HEIGHT | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| AASV | HEAD LENGTH | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.550 INCHES MINIMUM AND 0.560 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.452 INCHES MINIMUM FIRST SHOULDER AND 0.453 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 1.431 INCHES MINIMUM FIRST SHOULDER AND 1.440 INCHES MAXIMUM FIRST SHOULDER |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.065 INCHES MINIMUM FIRST HOLE AND 0.072 INCHES MAXIMUM FIRST HOLE |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQFM | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.525 INCHES MINIMUM FIRST HOLE AND 1.565 INCHES MAXIMUM FIRST HOLE |
| CSYT | CHAMFER ANGLE | 43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL COMP 615 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 7470 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| 5305-00-000-0094 (5305000000094) | 5305-00-001-1366 (5305000011366) | 5305-00-001-1367 (5305000011367) | 5305-00-001-1568 (5305000011568) |
| 5305-00-001-1569 (5305000011569) | 5305-00-001-1837 (5305000011837) | 5305-00-001-1918 (5305000011918) | 5305-00-001-1926 (5305000011926) |
| 5305-00-001-1948 (5305000011948) | 5305-00-001-1963 (5305000011963) | 5305-00-001-2011 (5305000012011) | 5305-00-001-2012 (5305000012012) |
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