AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-339-8427 (013398427) |
| NCB Code | USA (01) |
| Manufacturer | Tillman Tool Company Inc, Quantum Lean Llc, Northrop Grumman Systems Corporation, Micro Machining Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 126B842H01 | tillman tool company inc | bolt shoulder | RFQ |
| 126B842H01 | quantum lean llc | bolt shoulder | RFQ |
| 126B842H01 | northrop grumman systems corporation | bolt shoulder | RFQ |
| 126B842H01 | micro machining inc | bolt shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 1.280 INCHES NOMINAL |
| AASK | HEAD STYLE | HEXAGON |
| AATB | WIDTH BETWEEN FLATS | 0.313 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.265 INCHES MINIMUM FIRST SHOULDER AND 0.304 INCHES MAXIMUM FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| AATX | SHOULDER LENGTH | 0.350 INCHES NOMINAL FIRST SHOULDER |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATT | MATERIAL | STEEL COMP 303 OVERALL |
| AASB | FASTENER LENGTH | 12.284 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.156 INCHES NOMINAL |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.062 INCHES MINIMUM FIRST HOLE AND 0.065 INCHES MAXIMUM FIRST HOLE |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 12.204 INCHES NOMINAL FIRST HOLE |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| FEAT | SPECIAL FEATURES | BOLT CAN BE FABRICATED ACCORDING TO METHOD 2 ALSO |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5306-01-339-8427, 5306013398427 | ||||
| 5340-01-131-8536 (5340011318536) | 5306-01-438-9363 (5306014389363) | 5306-00-839-1951 (5306008391951) | 5330-00-854-3797 (5330008543797) | |
| 5330-99-729-7553 (5330997297553) | 5306-01-710-7805 (5306017107805) | 5310-01-125-4124 (5310011254124) | 5315-01-514-6048 (5315015146048) | |
| 5306-00-009-5138 (5306000095138) | 5340-01-575-9010 (5340015759010) | 5305-00-130-4358 (5305001304358) | 5310-01-513-5337 (5310015135337) | |
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