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Length of Shoulder (For Shoulder Washers Only) | |||||||||||
Choose & write down your length of shoulder code. Go to next step ![]() |
Dimension E |
Order Code Dimension E |
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A |
1mm |
.039 |
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B |
2mm |
.078 |
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C |
3mm |
.118 |
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D |
4mm |
.157 |
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E |
5mm |
.196 |
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F |
6mm |
.236 |
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G |
7mm |
.275 |
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H |
8mm |
.315 |
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J |
9mm |
.354 |
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K |
10mm |
.393 |
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M |
11mm |
.433 |
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R |
12mm |
.472 |
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S |
13mm |
.511 |
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Material Selection | |||||||||||
MATERIALS |
Choose & write down your material code. Go to back to ![]() |
SPECIFICATIONS |
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Nylon |
N |
Mil- P - 17091B Type 1 |
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Teflon® |
T |
Mil- P - 19468A |
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Lexan® |
L |
LP- 393 A |
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Ultem® |
U |
GE 1000 Resins |
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Delrin® |
D |
LP- 392 A |
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Phenolic |
P | MIL- I - 24768 / 15 | |||||||||
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Properties for Non- Metallic Materials | |||||||||||
Properties |
Phenolic | Teflon® | Nylon | Lexan® |
Delrin® |
Ultem® |
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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 Washers Only) | |||||||||||
A |
Major Diameter |
± 0.15 |
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B |
Shank Diameter |
+ 0.00 / - 0.15 |
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C |
Thickness of Head |
± 0.15 |
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D |
Inside Diameter |
+ 0.17 / - 0.00 |
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E |
Length of Shoulder |
± 0.15 |
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L |
Overall Length |
+ 0.26 / - 0.15 |
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Tolerances (For Flat Washers Only) | |||||||||||
A |
Major Diameter |
+ 0.26 / - 0.15 |
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C |
Thickness |
.4 through 1.6 ± .16 |
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D |
Inside Diameter |
+ .26 / - .00 |
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For Modified Parts or Engineering Assistance: |
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Phone: 973-674-1700 Toll Free: 1-800-526-1389 Fax: 973-674-3803 |
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UNICORP is a leader in manufacturing stock and custom electronic hardware, handles and precision fasteners used by leading companies in nearly every industry since 1971. ![]() 291 Cleveland St, Orange, New Jersey 07050 USA Mailing Address: P.O. Box 280, Orange, New Jersey 07051-0280 USA Feedback I Legal Notice I Copyright I Services I Jobs I Contact Us I Email Us I Privacy Statement Copyright©2020, Unicorp Inc., unicorpinc.com or its affiliates ![]() |