M83248-1-269 Aircraft Packing / O-Ring Hardener 946 NRR 23 dB passive attenuation

NRR 23 dB passive attenuation with additional low-frequency noise reduction when ENC is activated

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M83248-1-269 Aircraft Packing / O-Ring Hardener 946 NRR 23 dB passive attenuationM83248 series o rings are constructed from fluorocarbon rubber, also known as "Viton," which offers superior heat and fuel resistance, making it an ideal choice for aircraft fuel system applications. Specifications: Dimensions: Diameter: 8. 734" ID x 8. 954" OD Thickness: 0. 139" Alternate Part Numbers NAS1593 269, MS9388 269, M83248 1 269, AS3209 269 NSN: 5331 00 167 5150