AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Bolt Externally Relieved Body |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-411-7172 (014117172) |
| NCB Code | USA (01) |
| Manufacturer | Unicorp Systems Inc, Nimikkeistokeskus Ncb Finland, R A F Electronic Hardware Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 4155U-M09-F09 | unicorp systems inc | bolt externally relieved body | RFQ |
| 10116287 | nimikkeistokeskus ncb finland | bolt externally relieved body | RFQ |
| 219-SS-20 MOD | r a f electronic hardware inc | bolt externally relieved body | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| FEAT | Special Features | NON-MAGNETIC |
| CMLP | Thread Quantity Per Inch | 20 |
| STDC | Surface Treatment Document And Classification | MIL-F-14072 (EL)E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AHYM | Nominal Thread Diameter | 0.250 INCHES |
| MRC | Decoded Requirement | Clear Text Reply |
| AAWC | First Diameter From Head | 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM |
| AATB | Width Between Flats | 0.557 INCHES MINIMUM AND 0.577 INCHES MAXIMUM |
| AASK | Head Style | HEXAGON |
| MATT | Material | STEEL CORROSION RESISTING OVERALL |
| AAJF | Thread Direction | RIGHT-HAND |
| THSD | Thread Series Designator | UNC |
| SFTT | Surface Treatment | PASSIVATE OVERALL |
| AASA | Thread Length | 0.375 INCHES NOMINAL |
| AAWH | Distance From Largest Bearing Surface Of Head To End Of First Diameter | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM |
| AASB | Fastener Length | 1.375 INCHES NOMINAL |
| ABQJ | Point Style | CONE |
| AAJD | Thread Class | 2A |
| MDCL | Material Document And Classification | ASTM A581 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AASU | Head Height | 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM |
| CSNG | Externally Relieved Body Diameter Quantity | 1 |
| Relevant Components for NSN - 5306-01-411-7172, 5306014117172 | ||||
| 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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