| Item Name | Screw Close Toleran |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-455-9765 (014559765) |
| NCB Code | USA (01) |
| Part No | Manufacturer | Item Name | QTY | RFQ |
|---|---|---|---|---|
| NAS1580A5R21 | national aerospace standards | screw close toleran | Avl | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ANEE | Grip Length | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM |
| AHYM | Nominal Thread Diameter | 0.312 INCHES |
| AASK | Head Style | FLAT COUNTERSUNK |
| MATT | Material | STEEL COMP E4340 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 6150 OVERALL |
| SFTT | Surface Treatment | CADMIUM OVERALL AND CHROMATE OVERALL |
| CSYM | Surface Finish | 32.0 MICROINCHES THREADS |
| THSD | Thread Series Designator | UNJF |
| CQBC | Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH |
| ABQZ | Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| MRC | Decoded Requirement | Clear Text Reply |
| AAJF | Thread Direction | RIGHT-HAND |
| AASA | Thread Length | 0.476 INCHES MINIMUM AND 0.526 INCHES MAXIMUM |
| AASL | Head Diameter | 0.578 INCHES MINIMUM AND 0.633 INCHES MAXIMUM |
| CSYM | Surface Finish | 32.0 MICROINCHES GRIP |
| AASB | Fastener Length | 1.736 INCHES MINIMUM AND 1.766 INCHES MAXIMUM |
| ZZZK | Specification/Standard Data | 80205-NAS1580 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| CMLP | Thread Quantity Per Inch | 24 |
| AAUR | Grip Diameter | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM |
| CRSQ | Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| STDC | Surface Treatment Document And Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAJD | Thread Class | 3A |
| 5305-00-000-0094 (5305000000094) | 5305-00-001-1366 (5305000011366) | 5305-00-001-1367 (5305000011367) | 5305-00-001-1568 (5305000011568) |
| 5305-00-001-1569 (5305000011569) | 5305-00-001-1837 (5305000011837) | 5305-00-001-1918 (5305000011918) | 5305-00-001-1926 (5305000011926) |
| 5305-00-001-1948 (5305000011948) | 5305-00-001-1963 (5305000011963) | 5305-00-001-2011 (5305000012011) | 5305-00-001-2012 (5305000012012) |
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