| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-003-0583 (000030583) |
| NCB Code | USA (00) |
| Part No | Manufacturer | Item Name | QTY | RFQ |
|---|---|---|---|---|
| A51H20614-11 | tek precision co ltd | bolt shoulder | Avl | RFQ |
| A51H20614-11 | howe machine and tool corp | bolt shoulder | Avl | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.156 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.740 INCHES MINIMUM AND 0.752 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.5625 INCHES MINIMUM AND 0.5630 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 1.890 INCHES MINIMUM AND 1.895 INCHES MAXIMUM FIRST SHOULDER |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQFM | HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.195 INCHES MINIMUM AND 2.200 INCHES MAXIMUM FIRST HOLE |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| CXCY | III PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM AND CHROMATE THREADS |
| SFTT | SURFACE TREATMENT | CHROMIUM GRIP |
| 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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