The parts under NSN 5305-01-334-3622 of Screw Close Tolerance manufactured by National Aerospace Standards is available in our inventory. An ASAP Semiconductor Website, ASAP Aviation Stock has access to over three billion parts, paired with easy-to-use search engines that enable our customers to browse through our inventory quickly and efficiently. Our focus on quality control has earned us our AS9120B, ISO 9001:2015, and FAA 0056B certification, and we are the only independent distributor with a No China Sourcing pledge. If you are ready to get started, you can send us a Request for Quote for the parts with 5305-01-334-3622 from this webpage, and one of our account managers will give you a quote for parts like NAS1581A4R14, NAS1581F4R14 within fifteen minutes.
| Alternative NSN: 5305-01-334-3622 |
| Item Name:Screw Close Tolerance |
| FSG: 53 Hardware and Abrasives |
| Federal Supply Class (FSC): 5305 Screws |
| NIIN: 013343622 |
| NCB Code: USA (01) |
| Manufacturers: National Aerospace Standards |
| Part No | Manufacturer | Item Name | QTY | RFQ |
|---|---|---|---|---|
| NAS1581A4R14 | national aerospace standards | screw close tolerance | Avl | RFQ |
| NAS1581F4R14 | national aerospace standards | screw close tolerance | Avl | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.3988 INCHES NOMINAL |
| ABQZ | INTERNAL DRIVE STYLE | TORQUE-SET RIBBED |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES THREADS |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 6150 OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS1581 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| AASA | THREAD LENGTH | 0.403 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 1.263 INCHES MINIMUM AND 1.293 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
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