| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-917-6334 (009176334) |
| NCB Code | USA (00) |
| Manufacturer | Torkon Fastener Corp, National Aerospace Standards Com |
| MRC | Criteria | Characteristic |
|---|---|---|
| AHYM | Nominal Thread Diameter | 0.250 INCHES |
| AASK | Head Style | PAN |
| CSYM | Surface Finish | 32.0 MICROINCHES GRIP |
| AASB | Fastener Length | 0.785 INCHES MINIMUM AND 0.815 INCHES MAXIMUM |
| AAUR | Grip Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| MRC | Decoded Requirement | Clear Text Reply |
| AASA | Thread Length | 0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM |
| SFTT | Surface Treatment | CADMIUM OVERALL AND CHROMATE OVERALL |
| AASL | Head Diameter | 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM |
| CQFM | Hardness Rating | 36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| ABQZ | Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| STDC | Surface Treatment Document And Classification | QQ-P-416,TY2,CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAJF | Thread Direction | RIGHT-HAND |
| THSD | Thread Series Designator | UNJF |
| CQBC | Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH |
| AAUM | Locking Feature | PATCH THREADS OR PELLET THREADS OR STRIP THREADS |
| ANEE | Grip Length | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| CMLP | Thread Quantity Per Inch | 28 |
| ZZZK | Specification/Standard Data | 80205-NAS1174 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| AASU | Head Height | 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM |
| CSYM | Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| AAJD | Thread Class | 3A |
| 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 |
| CSYM | Surface Finish | 32.0 MICROINCHES THREADS |
| Relevant Components for NSN - 5305-00-917-6334, 5305009176334 | ||||
| 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) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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