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) | 00-448-7446 (004487446) |
| NCB Code | USA (00) |
| Manufacturer | Lockheed Martin Corporation, Sps Technologies Inc, Alcoa Global Fasteners Inc, Huck International Inc, Deutsch Engineered Connecting De, Thomas Arthur H Co Inc, Sage Systems Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| C4356CR9-925 | lockheed martin corporation | bolt shoulder | RFQ |
| C4356CR9-925 | sps technologies inc | bolt shoulder | RFQ |
| C4356CR9-925 | alcoa global fasteners inc | bolt shoulder | RFQ |
| AIC4356CR9925 | sps technologies inc | bolt shoulder | RFQ |
| C4356CR9-925 | huck international inc | bolt shoulder | RFQ |
| C4356CR9-925 | deutsch engineered connecting de | bolt shoulder | RFQ |
| C4356CR9-925 | thomas arthur h co inc | bolt shoulder | RFQ |
| C4356CR9-925 | sage systems inc | bolt shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.399 INCHES MINIMUM AND 0.419 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.449 INCHES MINIMUM AND 1.469 INCHES MAXIMUM |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.741 INCHES MINIMUM AND 0.751 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.5610 INCHES MINIMUM FIRST SHOULDER AND 0.5620 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.915 INCHES MINIMUM FIRST SHOULDER AND 0.935 INCHES MAXIMUM FIRST SHOULDER |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM FIRST HOLE AND 0.151 INCHES MAXIMUM FIRST HOLE |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQBC | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 46.0 ROCKWELL C MINIMUM OVERALL AND 49.0 ROCKWELL C MAXIMUM OVERALL |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.219 INCHES MINIMUM FIRST HOLE AND 1.239 INCHES MAXIMUM FIRST HOLE |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL COMP H11 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CHROMIUM OVERALL OR CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR NAS 672 ASSN STD 2ND TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5306-00-448-7446, 5306004487446 | ||||
| 5320-01-311-2514 (5320013112514) | 5365-01-606-7886 (5365016067886) | 5310-01-687-5946 (5310016875946) | 5331-01-345-2325 (5331013452325) | |
| 5331-01-137-6352 (5331011376352) | 5340-01-677-5187 (5340016775187) | 5310-01-215-1121 (5310012151121) | 5330-01-558-9303 (5330015589303) | |
| 5320-01-007-1870 (5320010071870) | 5365-00-542-0989 (5365005420989) | 5305-01-279-0723 (5305012790723) | 5315-01-181-8363 (5315011818363) | |
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