Mfg Part Number: MS21937 4L
Alternate P/N: MS219374L
NSN : 4730-00-821-0189
NIIN : 008210189
CAGE Code : 50948
Manufacturer: Parker Hannifin Corp
Item Name : Packing Nut
Here at Internet For Aviation, we have MS21937 4L Packing Nut from Parker Hannifin Corp, as well as a variety of other parts from reliable manufacturers. As the only independent distributor with a No China Sourcing policy, we go to great lengths to ensure that we source responsibly when it comes to certified standard items. If you’re in need of a specific MS21937 4L to aid you in your aircraft repair capabilities, simply search by NSN part number, NSN or Cage Code on our parts directory. Submit an instant RFQ and a representative will get back to you in as little as 15 minutes.
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We pride ourselves in our abilities to deliver quality superior grade aviation parts in a timely schedule. Thanks to the various supply chain locations that we have across the United States. We can execute fast shipping times that outpace our competitors. Unlike other competitors, we can promise same day shipping and delivery right to the very place you need. We’re leaders in our industry thanks to our parts streamlining process which includes quick stock and acquisition of the certified product and fast shipping. For whatever needs you have, be they Packing Nut and MS21937 4L parts, we can procure and deliver in a schedule that fits with you! Contact us today for an immediate quote!
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 4730-00-821-0189 Item Description: 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 | 9 | 5 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASA | THREAD LENGTH | 0.250 INCHES NOMINAL |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
| ASDB | WIDTH ACROSS FLATS | 1.000 INCHES NOMINAL |
| BBMM | SCREW THREAD LOCATION | INTERNAL |
| MATL | MATERIAL | ALUMINUM ALLOY, QQ-A-225/9, ALLOY 7075 |
| STYL | STYLE DESIGNATOR | HEXAGON, INTERNAL THREAD, SHOULDERED |
| ZZZK | SPECIFICATION/STANDARD DATA | 81343-SAE AS21937 MANUFACTURERS STANDARD |
| AAJD | THREAD CLASS | 3B |
| SR-1 | MANUFACTURERS CODE | 96906 |
| ALME | MATERIAL HARDNESS RATING | NOT RATED |
| CFQG | MAJOR UNTHREADED OUTSIDE DIAMETER | 0.687 INCHES NOMINAL |
| AGRU | LARGEST INSIDE DIAMETER | 0.562 INCHES NOMINAL |
| SR-1 | SPEC/STD CONTROLLING DATA | |
| ABUJ | THREAD SIZE | 7/16IN-20 |
| ABHP | OVERALL LENGTH | 0.406 INCHES NOMINAL |
| AJYP | SCREW THREAD SERIES DESIGNATOR | UNF |
| BRQL | LENGTH TO SHOULDER | 0.344 INCHES NOMINAL |
| MATT | MATERIAL | ALUMINUM ALLOY 7075 |
| SR-1 | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS21937-4L |
| AWQD | STRENGTH RATING | NOT RATED |
| ABVA | UNTHREADED PORTION LENGTH | 0.156 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
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