AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
Thank you for taking an interest in the top-caliber NSN products we feature here on AI NSN Parts. On this page, you can submit a quote request for part number MS21937-4L, a Packing Nut item that is manufactured by Collins Engineering Corp. Listed alongside the NSN 4730008210189 within our database, part number MS21937-4L is conveniently ready for purchase at any time.
To ensure listings like part number MS21937-4L are ready for swift installation, we have a rigorous quality assurance program in place. As such, we make it easy for you to inquire about popular NSNs like 4730-00-821-0189, as well as the many other Collins Engineering Corp products produced under CAGE Code 71563 that interest you. For the benefit of our customers, we carefully vet every entity that we source from, guaranteeing that you only receive superior-caliber offerings in every order. With these dedications, you can always purchase from us with confidence. Furthermore, we also organize our stock based on Federal Supply Classes, so you can find popular items under FSCs like 4730 Hose Pipe Tube Lubrication and Railing Fittings. Do not hesitate to submit the RFQ form below, and within 15 minutes or less of submission, one of our experts will reach out with a customized solution. Get started today and see why so many customers steadily depend on AI NSN Parts for their operational needs.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 4730-00-821-0189 Item PartTypeName: PACKING NUT | 4730 | 008210189 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| MS21937-4L | 2 | 2 | 5 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AASA | THREAD LENGTH | 0.250 INCHES NOMINAL |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
| ABHP | OVERALL LENGTH | 0.406 INCHES NOMINAL |
| ABUJ | THREAD SIZE | 7/16IN-20 |
| ABVA | UNTHREADED PORTION LENGTH | 0.156 INCHES NOMINAL |
| AGRU | LARGEST INSIDE DIAMETER | 0.562 INCHES NOMINAL |
| ASDB | WIDTH ACROSS FLATS | 1.000 INCHES NOMINAL |
| BRQL | LENGTH TO SHOULDER | 0.344 INCHES NOMINAL |
| STYL | STYLE DESIGNATOR | HEXAGON,INTERNAL THREAD,SHOULDERED |
| ZZZK | SPECIFICATION/STANDARD DATA | 81343-SAE AS21937 MANUFACTURERS STANDARD |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AJYP | SCREW THREAD SERIES DESIGNATOR | UNF |
| BBMM | SCREW THREAD LOCATION | INTERNAL |
| CFQG | MAJOR UNTHREADED OUTSIDE DIAMETER | 0.687 INCHES NOMINAL |
| MATT | MATERIAL | ALUMINUM ALLOY 7075 |
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