Oem is husqvarna group products but they have no cage.
A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 6240-01-210-4217
NSN 5930-01-391-3776
NSN 6130-01-400-3651
NSN 5930-00-726-0030
NSN 7035-01-027-8569
NSN 5910-01-286-2141
NSN 5895-00-205-2924
NSN 6685-00-240-4177
NSN 6145-00-171-3152
NSN 5960-00-128-7252
NSN 6685-00-088-8285
NSN 5998-00-038-5350