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Seastrom Manufacturing Co., Inc.
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  • Catalog & Military Washers
    • Standard Flat Washers
    • Military Washers
    • ANSI Standard Washers
    • Pre-Packaged Washers
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    • D-Shaped Washers
    • D-Shaped Hole Washers
    • Flattened Shaft Washers
    • Key Washers
    • Laminated Washers
    • Lock Washers
    • Notch Washers
    • Rectangular Washers
    • Retaining Washers
    • Retention Washers
    • Shoulder Washers
    • Split Washers
    • Spherical Washers
    • Spring Washers
    • Square Washers
    • Square Hole Washers
    • Tab Washers
    • Terminal Cup Washers
  • Assembly Hardware
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    • Clamps & Brackets
    • Expansion Plugs
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  • About Us
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Pre-Packaged Washers
 
Metallic Washers
 
Aluminum Flat Round WashersA379
Brass Round Flat WashersA378
Copper Round Flat WashersA477
Stainless Steel Round Flat WashersA370
 
Metric Metallic Washers
 
Stainless Steel Metric Round Flat WashersA370
 
Non-Metallic Washers
 
Fiberglass Round Flat WashersA372
Nylon Round Flat WashersA361
Phenolic Round Flat WashersA394
PTFE Round Flat WashersA362
Neoprene Round Flat WashersA385
Nylatron Round Flat WashersA693
Polyelastomer Round Flat WashersA392
PVC Round Flat WashersA693
 
Specialty Shaped Washers
 
C Washer – MetalA383
D Shaped WasherA466
Key Washer – FormedA380
Notch Washer – Double ExternalA870
Notch Washer – Double InternalA870
Notch Washer – Single ExternalA870
Notch Washer – Stainless InternalA694
Retaining Washer – Flat LobedA420
Retention Washer – ExternalA639
Shoulder Washer – PTFEA365
Split Washer – InsulatingA383
Split Washer – MetalA383
Square Hole WasherA579
Tab Lock Washer Style 1A599
Tab Lock Washer Style 2A599
Tab Washer – Double InternalA599
Tab Washer – Single InternalA599
Terminal Cup WasherA376

Contact Us

  • Request a Quote
  • call1-800-634-2356
  • emailinfo@seastrom-mfg.com
  • location_on456 Seastrom St, Twin Falls, ID 83301

Company Info

  • About Us
  • Industries Served
  • Credit Application
  • Certification and Compliance
  • Terms and Conditions

Product Directory

  • Round Washers & Shims, ANSI Washers
  • Specialty Washers
  • Military Washers
  • Pre-packaged Washers
  • Assembly Hardware
  • Military Hardware

Purely Custom

  • Bike Fitting
  • Bike Accessories

Subsidiaries

  • Seastrom Stamping
  • Acacia Machining
  • Precision Metalforming Association
  • Precision Machined Products Association
  • ISO 100 Compliant
  • AS 9100 Compliant
  • Environmental Statement
  • Made in USA
  • ROHS Compliant
  • DFARS Compliant
  • Federal Firearms License
  • ITAR Compliant
  • Cage Code
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