| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-446-0369 (014460369) |
| NCB Code | USA (01) |
| Manufacturer | National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| NAS1581C5R5 | national aerospace standards com | screw close tolerance | 80205 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| MATT | Material | STEEL CORROSION RESISTING OVERALL |
| AASK | Head Style | FLAT COUNTERSUNK |
| CMLP | Thread Quantity Per Inch | 24 |
| AASB | Fastener Length | 0.813 INCHES NOMINAL |
| MRC | Decoded Requirement | Clear Text Reply |
| SFTT | Surface Treatment | PASSIVATE OVERALL |
| AASL | Head Diameter | 0.4289 INCHES MINIMUM AND 0.4787 INCHES MAXIMUM |
| ANEE | Grip Length | 0.813 INCHES NOMINAL |
| AASA | Thread Length | 0.501 INCHES NOMINAL |
| ABQZ | Internal Drive Style | TORQUE-SET RIBBED |
| AAJF | Thread Direction | RIGHT-HAND |
| AHYM | Nominal Thread Diameter | 0.312 INCHES |
| THSD | Thread Series Designator | UNJF |
| 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 |
| AASU | Head Height | 0.070 INCHES NOMINAL |
| AAJD | Thread Class | 3A |
| MDCL | Material Document And Classification | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS5853 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AAUR | Grip Diameter | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM |
| Relevant Components for NSN - 5305-01-446-0369, 5305014460369 | ||||
| 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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