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 | ||||
| 5320-01-311-2514 (5320013112514) | 5365-01-606-7886 (5365016067886) | 5310-01-687-5946 (5310016875946) | 5331-01-345-2325 (5331013452325) | |
| 5331-01-137-6352 (5331011376352) | 5340-01-677-5187 (5340016775187) | 5310-01-215-1121 (5310012151121) | 5330-01-558-9303 (5330015589303) | |
| 5320-01-007-1870 (5320010071870) | 5365-00-542-0989 (5365005420989) | 5305-01-279-0723 (5305012790723) | 5315-01-181-8363 (5315011818363) | |
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