We appreciate your interest in National Aerospace Standards Com part number NAS1244-7, which is currently ready for procurement here on Prompt Aerospace. For your reference, part number NAS1244-7 is listed with the NSN 5305-00-063-3837 and description “Screw Shoulder.” If this is the item you are seeking and you would like to request a quote for your comparisons, simply complete the form below with information like your desired quantity, budget, and anticipated fulfillment timeframe. We regularly respond to requests within 15 minutes of receiving them, using the details we are offered to curate the most ideal purchasing options.
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If you want to explore other items produced by National Aerospace Standards Com under the CAGE Code 80205 or that similarly fall under the FSC 5305 Screws, keep in mind that since we list everything with relevant information, you can easily locate related part numbers using our search engine or catalogs. We also excel at tracking down parts with long lead times or that are generally hard to find, meaning that we can serve you even if you do not see exactly what you need on our website. With all of this being said, we are ready to help you source any of the NSN 5305-00-063-3837 parts and Screw Shoulder items your operations require, so request a quote today.
| MRC | Criteria | Characteristic |
|---|---|---|
| MATT | Material | STEEL COMP E4340 OVERALL OR STEEL COMP 4340 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 6150 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP 4037 OVERALL |
| AASK | Head Style | FLAT COUNTERSUNK |
| MRC | Decoded Requirement | Clear Text Reply |
| CQFM | Hardness Rating | 36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| SFTT | Surface Treatment | CADMIUM OVERALL AND CHROMATE OVERALL |
| AASA | Thread Length | 0.219 INCHES MINIMUM AND 0.357 INCHES MAXIMUM |
| THSD | Thread Series Designator | UNF |
| CRSQ | Countersink Angle | 100.0 DEGREES NOMINAL |
| CQBC | Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH |
| AATN | Shoulder Diameter | 0.264 INCHES MINIMUM FIRST SHOULDER AND 0.265 INCHES MAXIMUM FIRST SHOULDER |
| CWYB | Shoulder Shape | ROUND FIRST SHOULDER |
| ABQZ | Internal Drive Style | HIGH-TORQUE |
| AASL | Head Diameter | 0.502 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| AASB | Fastener Length | 1.362 INCHES MINIMUM AND 1.409 INCHES MAXIMUM |
| AAJF | Thread Direction | RIGHT-HAND |
| AHYM | Nominal Thread Diameter | 0.250 INCHES |
| CMLP | Thread Quantity Per Inch | 28 |
| AATX | Shoulder Length | 0.950 INCHES MINIMUM FIRST SHOULDER AND 0.972 INCHES MAXIMUM FIRST SHOULDER |
| STDC | Surface Treatment Document And Classification | QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| AAJD | Thread Class | 3A |
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