Used on nsn 2320-01-304-2277 pls (palletized loading system); 2330-01-303-5197 trailer, palletized loading system. slit through gasket, located in the center of gasket 25.4 mm by 25.4 mm; length is 130.9 mm ; width is 62.6 mm ; cross-sectional thickness is 3.2 mm ; center to center distance between bolt holes along width is 20.57 mm ; center to center distance between bolt holes along length is 98.3 mm