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) | 01-436-1275 (014361275) |
| NCB Code | USA (01) |
| Manufacturer | National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| NAS1706-20 | national aerospace standards com | screw shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | Head Style | FLAT COUNTERSUNK |
| MATT | Material | STEEL COMP 4140 OVERALL OR STEEL COMP 4340 OVERALL OR STEEL COMP 8740 OVERALL |
| SFTT | Surface Treatment | CADMIUM OVERALL AND CHROMATE OVERALL |
| THSD | Thread Series Designator | UNJF |
| CQBC | Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH |
| AATN | Shoulder Diameter | 0.717 INCHES MINIMUM FIRST SHOULDER AND 0.760 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ | Internal Drive Style | HIGH-TORQUE |
| AASL | Head Diameter | 0.717 INCHES MINIMUM AND 0.760 INCHES MAXIMUM |
| CMLP | Thread Quantity Per Inch | 24 |
| AAJF | Thread Direction | RIGHT-HAND |
| AHYM | Nominal Thread Diameter | 0.375 INCHES |
| AASA | Thread Length | 0.641 INCHES MAXIMUM |
| AASB | Fastener Length | 1.876 INCHES MINIMUM AND 1.906 INCHES MAXIMUM |
| ZZZK | Specification/Standard Data | 80205-NAS1706 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| AATX | Shoulder Length | 1.240 INCHES MINIMUM FIRST SHOULDER AND 1.260 INCHES MAXIMUM FIRST SHOULDER |
| MDCL | Material Document And Classification | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| CRSQ | Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| MRC | Decoded Requirement | Clear Text Reply |
| CWYB | Shoulder Shape | ROUND FIRST SHOULDER |
| STDC | Surface Treatment Document And Classification | QQ-P-416, TYPE 2, CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| AAJD | Thread Class | 3A |
| Relevant Components for NSN - 5305-01-436-1275, 5305014361275 | ||||
| 5355-00-582-7370 (5355005827370) | 5340-01-492-4288 (5340014924288) | 5340-00-523-3711 (5340005233711) | 5330-01-275-9444 (5330012759444) | |
| 5340-01-238-2053 (5340012382053) | 5365-01-693-2245 (5365016932245) | 5331-01-258-8240 (5331012588240) | 5365-01-672-1629 (5365016721629) | |
| 5365-01-432-4280 (5365014324280) | 5365-01-654-1906 (5365016541906) | 5340-01-451-0804 (5340014510804) | 5340-01-489-6012 (5340014896012) | |
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