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) | 01-448-2847 (014482847) |
| NCB Code | USA (01) |
| Manufacturer | Alcoa Global Fasteners Inc, Sps Technologies Inc, Lockheed Martin Corporation, Huck International Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| VT1693-7-7R | alcoa global fasteners inc | screw shoulder | RFQ |
| 121557-7-7X | sps technologies inc | screw shoulder | RFQ |
| C7984-7-7R | lockheed martin corporation | screw shoulder | RFQ |
| AIC984-7-7R | sps technologies inc | screw shoulder | RFQ |
| HO44-7-7R | huck international inc | screw shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | Thread Class | 3A |
| AASK | Head Style | FLAT COUNTERSUNK |
| SFTT | Surface Treatment | CADMIUM OVERALL |
| MATT | Material | STEEL COMP E4340 OVERALL |
| THSD | Thread Series Designator | UNJF |
| CQBC | Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH |
| AATN | Shoulder Diameter | 0.4516 INCHES MINIMUM FIRST SHOULDER AND 0.4526 INCHES MAXIMUM FIRST SHOULDER |
| AASB | Fastener Length | 0.951 INCHES MINIMUM AND 0.981 INCHES MAXIMUM |
| ABQZ | Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| MRC | Decoded Requirement | Clear Text Reply |
| AASA | Thread Length | 0.528 INCHES MAXIMUM |
| AASL | Head Diameter | 0.825 INCHES MINIMUM AND 0.890 INCHES MAXIMUM |
| CMLP | Thread Quantity Per Inch | 20 |
| AHYM | Nominal Thread Diameter | 0.4375 INCHES |
| AAJF | Thread Direction | RIGHT-HAND |
| AATX | Shoulder Length | 0.428 INCHES MINIMUM FIRST SHOULDER AND 0.448 INCHES MAXIMUM FIRST SHOULDER |
| CRSQ | Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| MDCL | Material Document And Classification | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| CWYB | Shoulder Shape | ROUND FIRST SHOULDER |
| STDC | Surface Treatment Document And Classification | NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Relevant Components for NSN - 5305-01-448-2847, 5305014482847 | ||||
| 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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