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) | 01-253-1819 (012531819) |
| NCB Code | USA (01) |
| Manufacturer | R A F Electronic Hardware Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | HEAD STYLE | KNURLED NO. 4 |
| AAUY | POINT LENGTH | 0.079 INCHES MINIMUM AND 0.109 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| MATT | MATERIAL | STEEL OVERALL |
| AAJD | THREAD CLASS | 2A |
| AASU | HEAD HEIGHT | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| AASL | HEAD DIAMETER | 0.312 INCHES MINIMUM AND 0.327 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.173 INCHES MINIMUM AND 1.203 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.138 INCHES |
| CWDK | POINT CHAMFER ANGLE | 85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A-581,A-582 /NO MAGNETIC/ ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AASA | THREAD LENGTH | 0.204 INCHES MINIMUM AND 0.219 INCHES MAXIMUM |
| ABQJ | POINT STYLE | CONE |
| AAVA | POINT DIAMETER | 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| Relevant Components for NSN - 5305-01-253-1819, 5305012531819 | ||||
| 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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