1- 800- 526-1389  Standoffs, Spacers, Captive, Swage, Male to Female Standoffs, Jack Screws, Male to Male Standoffs, Handles, Thumb Screws, Thumbscrews, Shoulder

   Home    Search    Order    Quote    Cross    Catalog    Reps    Technical    Terms    Distributors    About Us
Insulating Washers
Technical / Engineering Data		  
Insulating Washers        Standard e-Catalog

Length of Shoulder (for shoulder washer only)
Choose & write down your
LENGTH OF SHOULDER code-
Go to Next Step
 		Order Code Dimension E
(See diagram in insulating washers charts)
A .015
B .025
C .040
E .058
F .085
G .120
H .182
J .215
K .245
M .300
R .360
S .425
V .490
Material Selection

    MATERIALS

 Choose & write down your
MATERIAL code-
Go Back to
  		SPECIFICATIONS

   Nylon

 N

 Mil - P - 17091B Type 1

   Teflon®

 T

 Mil - P - 19468A

   Lexan®

 L

 LP- 393 A

   Ultem®

U

 GE 1000 Resins

   Delrin®

 D

 LP- 392 A

   Phenolic

 P

 MIL- I - 24768 / 15

    RoHS Compliance Statement    DFARS   WEEE
Properties for Non- Metallic Materials

Properties

 Phenolic Teflon® Nylon Lexan®

Delrin®

Ultem®
Flammability Rating V-1 UL HB UL 94V-2 V-O UL94HB V-O
Water Absorption
(%) 24 hrs.		 0.6 - 0.7 .02 1.5 0.15 0.25 0.25
Dielectric Constant
(60 cycles)		 5.2 - 5.3 2.1 10 2.9 3.7 3.15
Dielectric Strength
1/8 thickness (v/mil)		 350 400 300- 400 380 500 N/A
Arc Resistance (sec) 100 200 140 10 129 120
Tensile Strength (psi) 6,500- 7,000 2,700- 3,100 11,200- 16,500 9,000 10,400 16,500
Heat Resistance (continuous degrees F) 250- 275 550 250 270 250 340
Compression Strength (psi) 201- 235 700- 1,200 4,000 - 11,000 12,500 18,000 22,000
Tolerances  (for shoulder washer only)

A

 Major Diameter ± .005
B Shank Diameter + .000 / - .005
C Thickness of Head ± .005
D Inside Diameter + .006 / - .000
E Length of Shoulder ± .005
L Overall Length +.010/ -.005
Tolerances  (for flat washer only)

A

 Major Diameter + .010 / - .005
C Thickness .015  through  .063 ± .003
.064  through  .091 ± .006
.092 up   ± .009
D Inside Diameter + .010 / - .000
UNICORP, MFR. IDENT. Code No. 04729
For Modified Parts or Engineering Assistance:
Unicorp offers your firm engineering and design services for customized or
modified parts at no additional charge. Please call our Engineering Department.
Toll Free: 1- 800- 526- 1389      Phone: 973- 674-1700        Fax: 973- 674- 3803

UNICORP is a worldwide leader in manufacturing stock and custom electronic hardware,
handles and precision fasteners used by leading companies in nearly every industry since 1971.

Unicorp,  291 Cleveland St., Orange, New Jersey  07050  USA
Feedback   Legal Notice   Copyright   Services   Contact Us   Email Us
Privacy Statement
Copyright©2009 Sunflower In The City Design