4710147 | Rubber Plug for Lab 30 & 50 (2.5" OD)

Replacement Rubber Plug for your MVE Lab 10 Series Dewar.

2.5" OD with 1/2" center hole

Not sure when your dewar was manufactured? You can decipher the following information from your Chart MVE Serial Number.

Sample Serial Number
NPB2011012046

This serial number has 5 distinct sections:

NP B20 11 01 0546

NP - is the site of manufacture. Example 'NP' means New Prague, MN 56071
B20 - is the same constant internal MVE code.
11 - is the year of manufacture.
01 - is the week of manufacture. Example '01' means the first week of the year.
0546 - is the number that vessel was in production for that week.