Home Fasteners USS Flat Washer Low Carbon Steel 1/2"
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USS Flat Washer Low Carbon Steel 1/2"
(Pack of 100.0)

FalconGrip®

• Smooth finish
• Burr-free
• Uniform gauge
• Zinc-plated
• Conforms to SAE Specification J488, ANSI Specification B18.22.1 and Federal Specification FF-W-92
*Since the dimensional properties of a 3/16 USS and No. 12 Washer are similar, Lawson’s 3/16 USS Flat Washer (Item No. 500) can be used with a No. 12 Screw.

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Catalog page#: 3-32

Frequently Bought Together

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Flat Washer Grade 12 Thru-Hardened Steel M12

Item#: 87512
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Flat Washer Grade 12 Thru-Hardened Steel M10

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Hex Nut Grade 8 Alloy Steel 5/16-18

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Flat Washer 18-8 Stainless Steel 3/8"

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SAE Flat Washer Thru-Hardened Steel 7/16"

Item#: 88438
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USS Flat Washer Thru-Hardened Steel 5/8"

Item#: FA88451
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PTO Pin Lock 1/4 x 2-1/2"

Item#: 64348
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SAE Flat Washer Thru-Hardened Steel 1/4"

Item#: 88435
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Superbutt Connector 16 to 14 AWG Blue

Item#: 94728
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Lock Washer Alloy Steel 3/8"

Item#: FA530A
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SAE Flat Washer Thru-Hardened Steel 1/2"

Item#: FA88439
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Flat Washer 18-8 Stainless Steel 3/8"

Item#: 91114

Product Description

• Smooth finish
• Burr-free
• Uniform gauge
• Zinc-plated
• Conforms to SAE Specification J488, ANSI Specification B18.22.1 and Federal Specification FF-W-92
*Since the dimensional properties of a 3/16 USS and No. 12 Washer are similar, Lawson’s 3/16 USS Flat Washer (Item No. 500) can be used with a No. 12 Screw.

Technical Specifications

Item#: FA505
Nominal Size 1/2 "
Finish Bright Zinc
Type Flat Washer
I.D. 0.562 "
O.D. 1.375 "
Thickness 0.109 "
Material Carbon Steel
Pattern USS
Specifications ANSI B18.22.1
UNSPSC #: 31161807
TAA Compliant: No
Weight: 3.78 lb

Product Restrictions

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USS Flat Washer Thru-Hardened Steel 1/4"

Item#: 88445
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USS Flat Washer Thru-Hardened Steel 3/8"

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USS Flat Washer Thru-Hardened Steel 5/16"

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SAE Flat Washer Thru-Hardened Steel 3/8"

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SAE J995C Locknut with Nylon Insert Grade 8 1/4-20

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Hex Nut Grade 8 Alloy Steel 3/8-16

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IFI 100/107 Top Locknut Grade C 5/8-11

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PTO Pin Lock 1/4 x 2-1/2"

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SAE Flat Washer Thru-Hardened Steel 1/4"

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SAE J995C Locknut with Nylon Insert Grade 8 3/8-16

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