AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Cap Socket Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-625-7656 (016257656) |
| NCB Code | USA (01) |
| Manufacturer | American National Standards |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| B1831BH120035L | american national standards | screw cap socket head | RFQ |
| B1813BH120035L | american national standards | screw cap socket head | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 35.0 MILLIMETERS NOMINAL |
| AASB | FASTENER LENGTH | 35.0 MILLIMETERS NOMINAL |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 17.63 MILLIMETERS MINIMUM AND 18.00 MILLIMETERS MAXIMUM |
| AASU | HEAD HEIGHT | 11.79 MILLIMETERS MINIMUM AND 12.00 MILLIMETERS MAXIMUM |
| AAUM | LOCKING FEATURE | SELF-LOCKING GRIP |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AHYM | NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS |
| ASDB | WIDTH ACROSS FLATS | 10.025 MILLIMETERS MINIMUM AND 10.127 MILLIMETERS MAXIMUM |
| CQQR | THREAD PITCH IN MILLIMETERS | 1.75 |
| CQWR | EXTERNAL THREAD TOLERANCE CLASS | 4G6G |
| MATT | MATERIAL | STEEL PROPERTY CLASS 12.9 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B633 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | ZINC OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633, TYPE 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | M |
| Relevant Components for NSN - 5305-01-625-7656, 5305016257656 | ||||
| 5355-00-582-7370 (5355005827370) | 5340-01-492-4288 (5340014924288) | 5340-00-523-3711 (5340005233711) | 5330-01-275-9444 (5330012759444) | |
| 5340-01-238-2053 (5340012382053) | 5365-01-693-2245 (5365016932245) | 5331-01-258-8240 (5331012588240) | 5365-01-672-1629 (5365016721629) | |
| 5365-01-432-4280 (5365014324280) | 5365-01-654-1906 (5365016541906) | 5340-01-451-0804 (5340014510804) | 5340-01-489-6012 (5340014896012) | |
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