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OSK™ SAE Boss O-Ring Seal Kit - 250 Piece EPDM 70



$25.25

Quantity Discount
1
$25.25
2-9
$22.73
10+
$18.94

  • Model: K250X12E70-900
  • 6 in Stock

OSK™ SAE Boss O-Ring Seal Kit

The 900 series of dash numbers identifies the 20 sizes of boss seals. Except for size -901, the digits after the 9 identify the nominal tube size in 16ths of an inch. The tube size is its outside diameter (OD). For example, size -903 is intended for use with 3/16-inch tube. The one exception, size -901, is intended for use with 3/32-inch tube. 1/16-inch tube is not common in aircraft use.

This Kit contains 250 pieces and 12 of the most popular 900 series O-Rings. These Boss Seal O-Rings are used in sealing straight thread tube fittings (Boss Type) in the design and service of hydraulic equipment.

OSK™ SAE Boss O-Ring Seal Kit Includes:

  • 35pc -904 Boss O-Ring Tube Size OD: 1/4", SAE Dash Size -4, Thread Size 7/16-20 UNF
  • 30pc -905 Boss O-Ring Tube Size OD: 5/16", SAE Dash Size -5, Thread Size 1/2-20 UNF
  • 30pc -906 Boss O-Ring Tube Size OD: 3/8", SAE Dash Size -6, Thread Size 9/16-18 UNF
  • 25pc -907 Boss O-Ring Tube Size OD: 7/16"
  • 25pc -908 Boss O-Ring Tube Size OD: 1/2", SAE Dash Size -8, Thread Size 3/4"-16 UNF
  • 20pc -909 Boss O-Ring Tube Size OD: 9/16"
  • 20pc -910 Boss O-Ring Tube Size OD: 5/8", SAE Dash Size -10, Thread Size 7/8-14 UNF
  • 15pc -911 Boss O-Ring Tube Size OD: 11/16"
  • 15pc -912 Boss O-Ring Tube Size OD: 3/4", SAE Dash Size -12, Thread Size 1-1/16-12 UN
  • 15pc -913 Boss O-Ring Tube Size OD: 13/16"
  • 10pc -914 Boss O-Ring Tube Size OD: 7/8", SAE Dash Size -14, Thread Size 1-3/16-12 UN
  • 10pc -916 Boss O-Ring Tube Size OD: 1", SAE Dash Size -16, Thread Size 1-5/16-12 UN

FDA Compliant EPDM O-Rings:

Frequently used with foods, water, steam applications, phosphate ester type hydraulic fluids, brake fluids and offer great resistance to ozone and weathering. Sulfur-Cured FDA Grade EPDM is the least costly and provides the best tear and abrasion resistance compared to Peroxide-Cured Systems. EPDM's are not used with petroleum oils or fuels because significant swelling would result.

Chemical Resistance and Uses:

  • Hot water and steam up to 300°F (149°C) with special compounds up to 400°F (204°C)
  • Various Water / Municipalities Applications
  • Household Appliances
  • Glycol based brake fluids up to 300°F (149°C)
  • Many organic and inorganic acid
  • Cleaning agents, soda and potassium alkalis
  • Phosphate-ester based hydraulic fluids (HFD-R)
  • Silicone Oil and Grease
  • Many polar solvents (alcohols, ketones, esters)
  • Ozone, aging and weather resistant
  • Outdoor Applications
  • Electrical Insulators
  • EPDM rubber is used in extreme cold environment applications

Nitrile is not recommended for:

  • Mineral oil products (oils, greases and fuels)
  • Solvents
  • Aromatic Hydrocarbons.
  • Liquefied Petroleum Gas (LPG)
  • Lubricating Oils, Petroleum Base
  • Gasoline

Compound Info:

  • Ethylene Propylene, EPDM, or EP (EP)
  • Color: Black
  • Duro: 70
  • FDA: Yes, Meets the FDA standard requirements for food-handling applications.
  • ASTM D2000 Grade M5CA710 A25 B35 C32 EA14 F17 G21
  • FDA CFR 177.2600
  • Designed to meet or exceed the properties of these popular EPDM Compounds:
    • E603-70, E300-70, E1028-70, 3077, E14, E17016, 5601-70 and 559N

Operating temperature: -65° to +300F° 

  • (max. 400°F (204°C) in water and/or steam)
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