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) | 01-135-5881 (011355881) |
| NCB Code | USA (01) |
| Manufacturer | Service Supply Corp, General Motors Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 15.70 MILLIMETERS MINIMUM AND 20.00 MILLIMETERS MAXIMUM |
| AASB | FASTENER LENGTH | 19.20 MILLIMETERS MINIMUM AND 20.00 MILLIMETERS MAXIMUM |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 7.24 MILLIMETERS MINIMUM AND 7.76 MILLIMETERS MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 17.67 MILLIMETERS MINIMUM AND 18.00 MILLIMETERS MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS |
| CQQR | THREAD PITCH IN MILLIMETERS | 1.75 |
| CQWR | EXTERNAL THREAD TOLERANCE CLASS | 6G |
| MATT | MATERIAL | STEEL PROPERTY CLASS 9.8 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | DIN 931 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PHOSPHATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | M |
| Relevant Components for NSN - 5305-01-135-5881, 5305011355881 | ||||
| 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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