| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-546-8738 (015468738) |
| NCB Code | USA (01) |
| Manufacturer | National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| NAS1578C3R5L | national aerospace standards com | screw close tolerance | 80205 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AHYM | Nominal Thread Diameter | 0.190 INCHES |
| AASK | Head Style | PAN NO. 2 |
| FEAT | Special Features | INTERNAL DRIVE RIBBED |
| AASB | Fastener Length | 0.660 INCHES MINIMUM AND 0.690 INCHES MAXIMUM |
| SFTT | Surface Treatment | PASSIVATE OVERALL |
| AASA | Thread Length | 0.338 INCHES MINIMUM AND 0.388 INCHES MAXIMUM |
| AAUR | Grip Diameter | 0.188 INCHES MINIMUM AND 0.189 INCHES MAXIMUM |
| AASL | Head Diameter | 0.360 INCHES MINIMUM AND 0.374 INCHES MAXIMUM |
| AAJF | Thread Direction | RIGHT-HAND |
| ABQZ | Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| THSD | Thread Series Designator | UNJF |
| MATT | Material | IRON ALLOY 660 OVERALL |
| MRC | Decoded Requirement | Clear Text Reply |
| CQBC | Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH |
| AAUM | Locking Feature | PATCH LOCKING FEATURE |
| ANEE | Grip Length | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| AAJD | Thread Class | 3A |
| AASU | Head Height | 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| CMLP | Thread Quantity Per Inch | 32 |
| Components Related to NSN - 5305-01-546-8738, 5305015468738 | ||||
| 5340-01-631-5368 (5340016315368) | 5330-01-297-3590 (5330012973590) | 5360-00-245-2131 (5360002452131) | 5365-01-571-1663 (5365015711663) | |
| 5342-01-255-3551 (5342012553551) | 5330-01-556-4440 (5330015564440) | 5330-01-613-3472 (5330016133472) | 5342-01-259-3873 (5342012593873) | |
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