Mfg Part Number: MS21937W4L
NSN : 4730-00-821-0189
NIIN : 008210189
CAGE Code : 81343
Manufacturer: Society Of Automotive Engineers Inc
Item Name : Packing Nut
Here at Internet For Aviation, we have MS21937W4L Packing Nut from Society Of Automotive Engineers Inc, 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 MS21937W4L 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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| 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 |
| MS21937W4L | 2 | 2 | 3 |
| 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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