AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Cap Hexagon Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-007-8755 (010078755) |
| NCB Code | USA (01) |
| Manufacturer | Federal Specifications, Military Standards Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.875 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.074 INCHES MINIMUM FIRST HOLE AND 0.082 INCHES MAXIMUM FIRST HOLE |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQBC | MINIMUM TENSILE STRENGTH | 70000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 235.0 BRINELL STANDARD MAXIMUM OVERALL |
| CQHQ | MINIMUM YIELD STRENGTH | 40000 POUNDS PER SQUARE INCH |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.725 INCHES MINIMUM FIRST HOLE AND 0.776 INCHES MAXIMUM FIRST HOLE |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES THREADS |
| MATT | MATERIAL | STEEL COMP 403 OVERALL OR STEEL COMP 405 OVERALL OR STEEL COMP 410 OVERALL OR STEEL COMP 414 OVERALL OR STEEL COMP 416 OVERALL OR STEEL COMP 416SE OVERALL OR STEEL COMP 420 OVERALL OR STEEL COMP 430 OVERALL OR STEEL COMP 431 OVERALL OR STEE |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 10P STYLE |
| Relevant Components for NSN - 5305-01-007-8755, 5305010078755 | ||||
| 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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