The parts under NSN 5305-01-197-3992 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 5305-01-197-3992 from this webpage, and one of our account managers will give you a quote for parts like NASM21125B308, MS21125B308 within fifteen minutes.
| Alternative NSN: 5305-01-197-3992 |
| Item Name:Screw Close Tolerance |
| FSG: 53 Hardware and Abrasives |
| Federal Supply Class (FSC): 5305 Screws |
| NIIN: 011973992 |
| NCB Code: USA (01) |
| Manufacturers: National Aerospace Standards |
| Part No | Manufacturer | Item Name | QTY | RFQ |
|---|---|---|---|---|
| NASM21125B308 | national aerospace standards | screw close tolerance | Avl | RFQ |
| MS21125B308 | national aerospace standards | screw close tolerance | Avl | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.262 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.872 INCHES MINIMUM AND 0.892 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.360 INCHES MINIMUM AND 0.374 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.095 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| AAUM | LOCKING FEATURE | DETENT BALL GRIP |
| AAUR | GRIP DIAMETER | 0.1889 INCHES MINIMUM AND 0.1894 INCHES MAXIMUM |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.070 INCHES MINIMUM FIRST HOLE AND 0.080 INCHES MAXIMUM FIRST HOLE |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| ANEE | GRIP LENGTH | 0.500 INCHES MINIMUM AND 0.516 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQBC | MINIMUM TENSILE STRENGTH | 63000 POUNDS PER SQUARE INCH |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.783 INCHES MINIMUM FIRST HOLE AND 0.803 INCHES MAXIMUM FIRST HOLE |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
| MATT | MATERIAL | STEEL COMP 631 SPRING OR STEEL COMP 302 SPRING |
| MATT | MATERIAL | STEEL COMP 632 FASTENER |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A580 COND. A ASSN STD SINGLE MATERIAL RESPONSE SPRING |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
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