| Mfg Part Number: 639-21 | Alternate P/N: 63921 | Manufacturer: Kollsman Idc Avionics Group |
| NSN : 5305-00-527-4245 | NIIN : 005274245 | Item Name : screw shoulder |
| CAGE Code : 89944 | FSC : 5305 Screws |
Thank you for your interest in the 639-21 part of Screw Shoulder, we have in stock on Integrated NSN. This particular Kollsman Idc Avionics Group item is listed alongside the NSN 5305-00-527-4245 and part number 639-21 for your ease of search. With current availability for this item, we encourage you to take advantage of our Instant RFQ service in order to acquire a competitive quote for your comparisons. As our team members can be contacted 24/7x365, responses to requests or inquiries are completed with haste.
Take your time to explore our listing of part numbers like 639-21 and you will find that the NSN 5305-00-527-4245 can be found listed under FSC 5305 Screws and CAGE Code 89944. However, we carry a myriad of other NSN parts, all of which have been sourced from reputable distributors like Kollsman Idc Avionics Group. Kickoff the procurement process with a quote request that includes all of your part requirements and see how Integrated NSN can serve as your go-to sourcing solution. For additional questions, call or email us directly; we are ready to help you meet your operational deadlines however necessary.
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.097 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 0.190 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.161 INCHES MINIMUM AND 0.167 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.106 INCHES NOMINAL FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.060 INCHES NOMINAL FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| AHYM | NOMINAL THREAD DIAMETER | 0.086 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 64 |
| CRSQ | COUNTERSINK ANGLE | 82.0 DEGREES NOMINAL |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL COMP 1213 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
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