AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Externally Relieved Body |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-610-1273 (016101273) |
| NCB Code | USA (01) |
| Manufacturer | Rosemount Aerospace Inc, Accurate Screwmachine Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| C21449-2512-0938 | rosemount aerospace inc | screw externally relieved body | RFQ |
| C21449 | rosemount aerospace inc | screw externally relieved body | RFQ |
| 114121-0.938-S-8 | accurate screwmachine corporation | screw externally relieved body | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AHYM | Nominal Thread Diameter | 0.250 INCHES |
| MATT | Material | STEEL COMP 1018 OVERALL |
| AAWC | First Diameter From Head | 0.175 INCHES NOMINAL |
| MRC | Decoded Requirement | Clear Text Reply |
| AASK | Head Style | FLAT FILLISTER |
| ASDB | Width Across Flats | 0.188 INCHES NOMINAL |
| SFTT | Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| AASA | Thread Length | 0.250 INCHES NOMINAL |
| AAJF | Thread Direction | RIGHT-HAND |
| AASB | Fastener Length | 0.938 INCHES NOMINAL |
| AASL | Head Diameter | 0.375 INCHES NOMINAL |
| AAWH | Distance From Largest Bearing Surface Of Head To End Of First Diameter | 0.688 INCHES NOMINAL |
| CSNG | Externally Relieved Body Diameter Quantity | 1 |
| ABQZ | Internal Drive Style | HEXAGON |
| THSD | Thread Series Designator | UNC |
| AAJD | Thread Class | 2A |
| CMLP | Thread Quantity Per Inch | 20 |
| AASU | Head Height | 0.244 INCHES NOMINAL |
| Relevant Components for NSN - 5305-01-610-1273, 5305016101273 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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