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) | 01-545-8346 (015458346) |
| NCB Code | USA (01) |
| Manufacturer | Wesco Aircraft Hardware Corp, National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| NAS1975C4H | wesco aircraft hardware corp | screw close tolerance | RFQ |
| NAS1975C4H | national aerospace standards com | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| AAJD | THREAD CLASS | 3A |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| ANEE | GRIP LENGTH | 0.133 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 0.602 INCHES NOMINAL |
| CQBC | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAUR | GRIP DIAMETER | 0.188 INCHES MINIMUM AND 0.189 INCHES MAXIMUM |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| AASL | HEAD DIAMETER | 0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
| AASA | THREAD LENGTH | 0.469 INCHES NOMINAL |
| Relevant Components for NSN - 5305-01-545-8346, 5305015458346 | ||||
| 5320-01-311-2514 (5320013112514) | 5365-01-606-7886 (5365016067886) | 5310-01-687-5946 (5310016875946) | 5331-01-345-2325 (5331013452325) | |
| 5331-01-137-6352 (5331011376352) | 5340-01-677-5187 (5340016775187) | 5310-01-215-1121 (5310012151121) | 5330-01-558-9303 (5330015589303) | |
| 5320-01-007-1870 (5320010071870) | 5365-00-542-0989 (5365005420989) | 5305-01-279-0723 (5305012790723) | 5315-01-181-8363 (5315011818363) | |
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