AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Setscrew |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-173-3531 (011733531) |
| NCB Code | USA (01) |
| Manufacturer | Bristol Industries, Setko Fasteners Inc, Bristol Babcock Inc, Meggitt International Ltd |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MHSS1AC1S | bristol industries | setscrew | RFQ |
| MHSS1A2C1S | setko fasteners inc | setscrew | RFQ |
| MHSS1A2C1S | bristol babcock inc | setscrew | RFQ |
| MHSS1A2C1S | meggitt international ltd | setscrew | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 0.062 INCHES NOMINAL |
| AASK | HEAD STYLE | HEADLESS (SETSCREW) |
| AAUH | SPLINE MINOR DIAMETER | 0.025 INCHES MINIMUM AND 0.026 INCHES MAXIMUM |
| AAUJ | SPLINE MAJOR DIAMETER | 0.034 INCHES MINIMUM AND 0.035 INCHES MAXIMUM |
| AAUK | SPLINE WIDTH | 0.011 INCHES MINIMUM AND 0.012 INCHES MAXIMUM |
| ABQJ | POINT STYLE | CUP |
| ABQZ | INTERNAL DRIVE STYLE | FOUR SPLINE |
| AHYM | NOMINAL THREAD DIAMETER | 0.086 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 56 |
| MATT | MATERIAL | STEEL COMP 302 OVERALL |
| 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 |
| Relevant Components for NSN - 5305-01-173-3531, 5305011733531 | ||||
| 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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