FRC Group
1511 South Benjamin Avenue
Mason City, IA 50401

Phone: (641) 424-0370
Fax: (641) 424-1945
Email: info@frccorp.com
Web Address: www.frccorp.com
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In this exclusive E-I compression construction, the glass remains under constant compression and is therefore extremely strong. These compression-type seals possess extraordinary immunity to shock, vibration and pressure changes-are practically indestructible.
FRC Electrical Industries, Inc. - Hermetically-Sealed Compression-Type End Seals-4
Unit of Measure
1 2 3 4 5 

Item #

Item Name

Dimension D

Dimension E

Dimension F

Tube Size

377S-1/060-XS N/A Model 377S-1/060-XS, E-I Hermetically Sealed Compression-Type End Seal N/A 0.377 in N/A 0.307 in N/A 0.270 in N/A 0.060 in
450S-1/060-XS N/A Model 450S-1/060-XS, E-I Hermetically Sealed Compression-Type End Seal N/A 0.45 in N/A 0.388 in N/A 0.161 in N/A 0.060 in
470S-1/060-XS N/A Model 470S-1/060-XS, E-I Hermetically Sealed Compression-Type End Seal N/A 0.47 in N/A 0.420 in N/A 0.387 in N/A 0.060 in
535S-1/060-XS N/A Model 535S-1/060-XS, E-I Hermetically Sealed Compression-Type End Seal N/A 0.535 in N/A 0.442 in N/A 0.387 in N/A 0.060 in
587S-1/060-XS N/A Model 587S-1/060-XS, E-I Hermetically Sealed Compression-Type End Seal N/A 0.587 in N/A 0.468 in N/A 0.387 in N/A 0.060 in
628S-1/060-XS N/A Model 628S-1/060-XS, E-I Hermetically Sealed Compression-Type End Seal N/A 0.628 in N/A 0.535 in N/A 0.387 in N/A 0.060 in
643S-1/060-XS N/A Model 643S-1/060-XS, E-I Hermetically Sealed Compression-Type End Seal N/A 0.643 in N/A 0.55 in N/A 0.387 in N/A 0.060 in
723S-1/060-XS N/A Model 723S-1/060-XS, E-I Hermetically Sealed Compression-Type End Seal N/A 0.723 in N/A 0.630 in N/A 0.387 in N/A 0.060 in
962S-1/060-XS N/A Model 962S-1/060-XS, E-I Hermetically Sealed Compression-Type End Seal N/A 0.962 in N/A 0.869 in N/A 0.387 in N/A 0.060 in
377S-1(L3)/060 N/A Model 377S-1(L3)/060, E-I Hermetically Sealed Compression-Type End Seal N/A 0.377 in N/A 0.307 in N/A 0.270 in N/A 0.060 in
450S-1(L3)/060 N/A Model 450S-1(L3)/060, E-I Hermetically Sealed Compression-Type End Seal N/A 0.45 in N/A 0.388 in N/A 0.161 in N/A 0.060 in
470S-1(L3)/060 N/A Model 470S-1(L3)/060, E-I Hermetically Sealed Compression-Type End Seal N/A 0.47 in N/A 0.420 in N/A 0.387 in N/A 0.060 in
535S-1(L3)/060 N/A Model 535S-1(L3)/060, E-I Hermetically Sealed Compression-Type End Seal N/A 0.535 in N/A 0.442 in N/A 0.387 in N/A 0.060 in
587S-1(L3)/060 N/A Model 587S-1(L3)/060, E-I Hermetically Sealed Compression-Type End Seal N/A 0.587 in N/A 0.468 in N/A 0.387 in N/A 0.060 in
628S-1(L3)/060 N/A Model 628S-1(L3)/060, E-I Hermetically Sealed Compression-Type End Seal N/A 0.628 in N/A 0.535 in N/A 0.387 in N/A 0.060 in
643S-1(L3)/060 N/A Model 643S-1(L3)/060, E-I Hermetically Sealed Compression-Type End Seal N/A 0.643 in N/A 0.55 in N/A 0.387 in N/A 0.060 in
723S-1(L3)/060 N/A Model 723S-1(L3)/060, E-I Hermetically Sealed Compression-Type End Seal N/A 0.723 in N/A 0.630 in N/A 0.387 in N/A 0.060 in
962S-1(L3)/060 N/A Model 962S-1(L3)/060, E-I Hermetically Sealed Compression-Type End Seal N/A 0.962 in N/A 0.869 in N/A 0.387 in N/A 0.060 in
377S-1(L4)/060 N/A Model 377S-1(L4)/060, E-I Hermetically Sealed Compression-Type End Seal N/A 0.377 in N/A 0.307 in N/A 0.270 in N/A 0.060 in
450S-1(L4)/060 N/A Model 450S-1(L4)/060, E-I Hermetically Sealed Compression-Type End Seal N/A 0.45 in N/A 0.388 in N/A 0.161 in N/A 0.060 in
470S-1(L4)/060 N/A Model 470S-1(L4)/060, E-I Hermetically Sealed Compression-Type End Seal N/A 0.47 in N/A 0.420 in N/A 0.387 in N/A 0.060 in
535S-1(L4)/060 N/A Model 535S-1(L4)/060, E-I Hermetically Sealed Compression-Type End Seal N/A 0.535 in N/A 0.442 in N/A 0.387 in N/A 0.060 in
587S-1(L4)/060 N/A Model 587S-1(L4)/060, E-I Hermetically Sealed Compression-Type End Seal N/A 0.587 in N/A 0.468 in N/A 0.387 in N/A 0.060 in
628S-1(L4)/060 N/A Model 628S-1(L4)/060, E-I Hermetically Sealed Compression-Type End Seal N/A 0.628 in N/A 0.535 in N/A 0.387 in N/A 0.060 in
643S-1(L4)/060 N/A Model 643S-1(L4)/060, E-I Hermetically Sealed Compression-Type End Seal N/A 0.643 in N/A 0.55 in N/A 0.387 in N/A 0.060 in
Unit of Measure
1 2 3 4 5