MIL-R-83248 Rubber, Fluorocarbon Elastomer, High Temperature, Fluid, And Compression Set Resistant S/S By Sae-Ams7276, Sae-Ams7259, Sae-Ams3216, And Sae-Ams3218This specification covers high temperature, compression set, and fluid resistant fluorocarbon elastomer sheets, strips, molded parts, an extruded shapes for aeronautical and aerospace applications.

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MIL-R-83248C

5.   PACKAGING

5.1   Preservation.  Preservation shall be level A or C, or commercial as specified (see 6.2).

5.1.1   Level A

5.1.1.1   Type I o-rings.  Type I o-rings (require unit pack) shall be packaged in accordance with the requirements of

MIL-P-4861, except clear or opaque polyethylene bags of at least 0.004 inch thickness are acceptable.

5.1.1.2   Type II material.  Type II material shall be preserved to the MIL-STD-2073 requirements for this level.

5.1.1.3   Type I compression seals other than o-rings and type II material

5.1.1.3.1   Sheets. Rubber sheets shall be interleaved with any suitable paper that will extend over the full area of contact between sheets.  Unit quantity shall be a stack not to exceed 10 inches.

5.1.1.3.2   Strip.  Rubber strips shall be wound on suitable cores that will provide rigid support and that will not distort nor change shape during handling or shipping.  Each roll shall be wrapped in draft paper conforming to UU-P-268 and sealed with tape conforming to PPP-T-45. Unless otherwise specified, each roll shall consist of 75 feet + 1 foot of rubber strip.

5.1.1.3.3   Extruded shapes.  Extruded rubber shapes shall be wrapped in any suitable wrapping.

5.1.1.3.4   Molded parts.  Molded rubber parts shall be packaged in containers conforming to PPP-B-636.  The unit quantity shall be 25, or as specified by the procuring activity (see 6.2).

5.1.2   Level C.  Type II material shall be preserved to the MIL-STD-2073-1 requirements for this level.  Fluorocarbon elastomer material shall be packaged in a manner which affords adequate protection against deterioration and physical damage during shipment from the supply source to the first receiving activity for immediate use.

5.1.3   Commercial.   Type II material shall be preserved in accordance with the applicable requirements of ASTM D3951.

5.2   Packing.  Packing shall be level A, B, C, or commercial as specified (see 6.2).

5.2.1   Level A

5.2.1.1   Type  I  o-rings.   Type  I  o-rings  (requires  unit  pack)  shall  be  packaged  in  accordance  with  the  level  A

requirements of MIL-P-4861.

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