| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-303-9643 (013039643) |
| NCB Code | USA (01) |
| Manufacturer | Hi Shear Corporation, Valley Todeco Inc, Alcoa Global Fasteners Inc, Sps Technologies Ltd, The Boeing Company, J M Precision Inc, Sonic Industries Inc, Heartland Precision Fasteners Inc, Lisi Aerospace, Huck International Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MB88-6D8 | hi shear corporation | bolt shoulder | RFQ |
| VAL23607-6D8 | valley todeco inc | bolt shoulder | RFQ |
| ST3M497-6D8 | alcoa global fasteners inc | bolt shoulder | RFQ |
| ST3M497-6D8 | sps technologies ltd | bolt shoulder | RFQ |
| VS3037-6D8 | alcoa global fasteners inc | bolt shoulder | RFQ |
| ST3M497-6D8 | the boeing company | bolt shoulder | RFQ |
| ST3M497-6D8 | j m precision inc | bolt shoulder | RFQ |
| S11-1061-6D8 | sonic industries inc | bolt shoulder | RFQ |
| PBF1254-6D8 | sps technologies ltd | bolt shoulder | RFQ |
| 109450-6D8 | sps technologies ltd | bolt shoulder | RFQ |
| HP5497-6D8 | heartland precision fasteners inc | bolt shoulder | RFQ |
| MB88-6D8 | lisi aerospace | bolt shoulder | RFQ |
| BM17019-6D8X | huck international inc | bolt shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.490 INCHES MINIMUM AND 0.557 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.000 INCHES MINIMUM AND 1.047 INCHES MAXIMUM |
| AASK | HEAD STYLE | DOUBLE HEXAGON |
| AASU | HEAD HEIGHT | 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.564 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.3896 INCHES MINIMUM FIRST SHOULDER AND 0.3901 INCHES MAXIMUM FIRST SHOULDER |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM FIRST HOLE AND 0.111 INCHES MAXIMUM FIRST HOLE |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQBC | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.875 INCHES MINIMUM FIRST HOLE AND 0.932 INCHES MAXIMUM FIRST HOLE |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL COMP XM-13 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| AATX | SHOULDER LENGTH | 0.490 INCHES MINIMUM FIRST SHOULDER AND 0.510 INCHES MAXIMUM FIRST SHOULDER |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| Relevant Components for NSN - 5306-01-303-9643, 5306013039643 | ||||
| 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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