AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Bolt Square Neck |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-058-0518 (000580518) |
| NCB Code | USA (00) |
| Manufacturer | Aerospace Industries Inc, Military Standards Corp, American Society Of Mechanical, Federal Specifications, General Services Administration Inc, American National Standards |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| NASM35751 | aerospace industries inc | bolt square neck | RFQ |
| MS35751-51 | military standards corp | bolt square neck | RFQ |
| ASME-B18.5 | american society of mechanical | bolt square neck | RFQ |
| FF-B-584 | federal specifications | bolt square neck | RFQ |
| FF-B-584 TY1CL1STAGR1 | general services administration inc | bolt square neck | RFQ |
| B18.5 | american national standards | bolt square neck | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.874 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 3.500 INCHES NOMINAL |
| AASK | HEAD STYLE | ROUND |
| AASL | HEAD DIAMETER | 0.688 INCHES MINIMUM AND 0.719 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM |
| AGQB | NECK LENGTH | 0.156 INCHES MINIMUM AND 0.187 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| CQBC | MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 95.0 ROCKWELL B MAXIMUM OVERALL |
| CWXQ | NECK WIDTH | 0.307 INCHES MINIMUM AND 0.324 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASME-B18 GRADE 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | ZINC OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM-B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Relevant Components for NSN - 5306-00-058-0518, 5306000580518 | ||||
| 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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