Insulators, Washers, and Spacers

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Metal Samples makes a variety of insulators, washers, and spacers used to isolate test specimens. We also make insulator kits that contain an assortment of washers, screws, nuts, and stems. These kits are designed for field use when a variety of insulators are needed.

 

Shoulder Washers



Material


P/N
Dimensions (inches)
L A B G F
Ceramic SW1402473 .050 .375 .090 .193 .250
SW1425473 .050 .625 .125 .250 .375
TFE Glass SW1439785 .109 .625 .094 .250 .313












Teflon®
SW1400783 .109 .625 .109 .250 .313
SW1402783 .063 .375 .063 .188 .250
SW1403783 .125 .625 .438 .250 .406
SW1406783 .234 .625 .109 .250 .375
SW1407783 .109 .625 .109 .250 .375
SW1413783 .063 .656 .500 .250 .406
SW1418783 .125 .641 .500 .359 .453
SW1419783 .109 .625 .188 .250 .375
SW1420783 .188 .625 .109 .250 .375
SW1421783 .125 .438 .063 .188 .297
SW1423783 .055 .625 .500 .250 .531
SW1424783 .063 .750 .250 .250 .500
SW1425783 .050 .625 .109 .250 .375
SW1426783 .050 .625 .313 .250 .375
SW1427783 .313 .500 .063 .203 .313
Nylon SW1443709 .125 .375 .031 .188 .250
SW1427709 .313 .500 .063 .203 .313
SW1444709 .047 .375 .094 .188 .250



Spacers and Flat Washers



Material


P/N
Dimensions (inches)
L A B


















Teflon®
ST1200783 .500 .375 .250
ST1202783 .250 .375 .250
ST1203783 .188 .375 .250
ST1204783 .250 .625 .250
ST1205783 .750 .500 .359
ST1206783 .500 .500 .344
ST1207783 .500 .625 .375
ST1208783 .250 .625 .406
ST1209783 .625 .625 .375
ST1214783 .375 .625 .375
ST1219783 .750 .750 .500
ST1221783 .375 .500 .375
ST1225783 .375 .625 .500
ST1226783 1.00 .625 .375
ST1231783 .125 .422 .363
ST1232783 .375 .375 .250
ST1253783 .062 .500 .250
ST1254783 .062 .625 .250
ST1255783 .125 .500 .125
ST1256783 .188 .445 .188




Nylon
09709E1000FW0000 .047 .438 .203
ST1240709 .062 .375 .203
ST1239709 .062 .375 .250
ST1230709 .125 .500 .313
09709E2500FW0000 .094 .500 .250


Ceramic
ST1220473 .250 .500 .375
ST1240473 .062 .375 .188
ST1247473 .500 1.00 .560
ST1248473 .125 .600 .394
ST1249473 .125 .625 .250



Rod Insulators

Material PN OD (inches) ID (inches)

Teflon®

04783002180015 .218 .188
04783002960025 .296 .250
04783003750062 .375 .250
04783004060078 .406 .250
04783004370093 .437 .250
04783004370031 .437 .375
04783005000062 .500 .375
04783006250125 .625 .375
04783006250078 .625 .470
04783008750162 .875 .550

 



Crevice Washers



Material


P/N
Dimensions (inches)

# of Slots
ID OD Thickness


Teflon®
CW1900783 .391 .625 .250 12
CW1902783 .265 .625 .250 12
CW1904783 .265 .625 .100 12
Ceramic CW1902473 .265 .625 .250 12


Fasteners

 
Metal Samples makes fasteners in almost any material required, including: 
  • Brass
  • 304
  • 316
  • Teflon®
  • Nylon
  • Tantalum
  • HASTELLOY® C-276
  • CARPENTER 20Cb3®
  • HASTELLOY® B-2
  • Titanium
  • INCONEL® alloy 600


Material vs. Environment

R = Resistance, A = Attacked, SA = Slight Attack, A-O = Attacked by Oxidizing Acids
G = Good, F = Fair, P = Poor, L = Little Change
Material Temperature Range
Fluorocarbons TFE -275 to 550°F Inert Inert Inert Inert Inert 0.0 Inert - P 2,500
Nylon -70 to 300°F G A R R R 1.5 SA - F 10,000
Polyethylene (low density) -80 to 140°F R A-O R R G 0.15 A F F 2,000
Polyethylene (high density) -100 to 160°F R A-O R R G 0.1 A F G 4,000
Polypropylene 300°F R A-O R R R 0.01 A F G 5,000
Rigid polyvinyl chloride 150°F R R R R A 0.10 R - P 6,000
Phenolics 400°F SA A SA A SA 0.6 - - G 7,500
Zirconia ceramics - R R R R R 0.0 R - - -
Alumina ceramics 3180°F R R R R R 0.0 R - - -

 


Teflon® is a registered trademark of DuPont. HASTELLOY® is a registered trademark of Haynes International, Inc.  INCONEL® alloy 600 is a registered trademark of Special Metals. CARPENTER 20Cb3® is a registered trademark of Carpenter Technologies.

Contact Metal Samples Company sales department for pricing and availability.
  Metal Samples Company
P.O. Box 8
152 Metal Samples Rd.
Munford, AL 36268
Phone: (256) 358-4202
Fax: (256) 358-4515

E-mail: msc@alspi.com
 
Metal Samples Company is a division of Alabama Specialty Products, Inc. - Copyright © 2017