| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-448-0531 (014480531) |
| NCB Code | USA (01) |
| Manufacturer | National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| NAS1580C5R6 | national aerospace standards com | screw close tolerance | 80205 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ANEE | Grip Length | 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| AHYM | Nominal Thread Diameter | 0.3125 INCHES |
| AASK | Head Style | FLAT COUNTERSUNK |
| CSYM | Surface Finish | 32.0 MICROINCHES THREADS |
| SFTT | Surface Treatment | PASSIVATE OVERALL |
| AASB | Fastener Length | 0.723 INCHES MINIMUM AND 0.753 INCHES MAXIMUM |
| CQBC | Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH |
| ABQZ | Internal Drive Style | TORQUE-SET RIBBED |
| AASA | Thread Length | 0.501 INCHES NOMINAL |
| AASL | Head Diameter | 0.578 INCHES MINIMUM AND 0.632 INCHES MAXIMUM |
| MATT | Material | IRON ALLOY 660 OVERALL |
| CSYM | Surface Finish | 32.0 MICROINCHES GRIP |
| AAJF | Thread Direction | RIGHT-HAND |
| THSD | Thread Series Designator | UNJF |
| MDCL | Material Document And Classification | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5853 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| 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-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ZZZK | Specification/Standard Data | 80205-NAS1580 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| MRC | Decoded Requirement | Clear Text Reply |
| CSYM | Surface Finish | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| AAJD | Thread Class | 3A |
| Relevant Components for NSN - 5305-01-448-0531, 5305014480531 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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