AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-467-8946 (014678946) |
| NCB Code | USA (01) |
| Manufacturer | National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| NAS1581C3R16 | national aerospace standards com | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| MATT | Material | STEEL CORROSION RESISTING OVERALL |
| AASK | Head Style | FLAT COUNTERSUNK |
| CMLP | Thread Quantity Per Inch | 32 |
| AASA | Thread Length | 0.338 INCHES MINIMUM AND 0.388 INCHES MAXIMUM |
| AAJF | Thread Direction | RIGHT-HAND |
| ABQZ | Internal Drive Style | TORQUE-SET RIBBED |
| THSD | Thread Series Designator | UNJF |
| AASB | Fastener Length | 1.363 INCHES NOMINAL |
| AGAV | End Item Identification | USED ON AIRCRAFT, AIR LIFTER C-17A |
| ANEE | Grip Length | 1.000 INCHES NOMINAL |
| AHYM | Nominal Thread Diameter | 1.000 INCHES |
| AASL | Head Diameter | 1.4609 INCHES NOMINAL |
| MRC | Decoded Requirement | Clear Text Reply |
| CRSQ | Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| AAUR | Grip Diameter | 1.363 INCHES NOMINAL |
| AAJD | Thread Class | 3A |
| Relevant Components for NSN - 5305-01-467-8946, 5305014678946 | ||||
| 5305-00-825-1285 (5305008251285) | 5315-01-177-1845 (5315011771845) | 5340-01-536-0624 (5340015360624) | 5330-01-398-3824 (5330013983824) | |
| 5365-00-602-2520 (5365006022520) | 5340-01-658-6711 (5340016586711) | 5306-00-488-7520 (5306004887520) | 5310-00-443-4905 (5310004434905) | |
| 5305-00-579-4230 (5305005794230) | 5306-01-488-3599 (5306014883599) | 5340-01-429-0378 (5340014290378) | 5305-01-208-9074 (5305012089074) | |
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