AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-731-1793 (007311793) |
| NCB Code | USA (00) |
| Manufacturer | Springfield Armory |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASA | THREAD LENGTH | 0.281 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.062 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.589 INCHES NOMINAL FIRST SHOULDER |
| AATN | SHOULDER DIAMETER | 0.644 INCHES NOMINAL SECOND SHOULDER |
| AATX | SHOULDER LENGTH | 0.062 INCHES NOMINAL FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.720 INCHES NOMINAL SECOND SHOULDER |
| SFTT | SURFACE TREATMENT | OXIDE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 1.187 INCHES NOMINAL |
| AASK | HEAD STYLE | FLUSH |
| AASL | HEAD DIAMETER | 0.644 INCHES NOMINAL |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 40 |
| CQHQ | MINIMUM YIELD STRENGTH | 65000 POUNDS PER SQUARE INCH |
| CWYB | SHOULDER SHAPE | ROUND OVERALL |
| HUES | COLOR | BLACK OVERALL |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-11415,CLASS C1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNS |
| Relevant Components for NSN - 5305-00-731-1793, 5305007311793 | ||||
| 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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