GGG-E-950A, FEDERAL SPECIFICATION: EXTRACTOR, STUFFING BOX AND PUMP PACKING (AND TAMPER), AND EXTRACTOR, LANTERN GLAND (29-FEB-1988) [SUPERSEDING GGG-E-950A] [NO S/S DOCUMENT]

GGG-E-950A, FEDERAL SPECIFICATION: EXTRACTOR, STUFFING BOX AND PUMP PACKING (AND TAMPER), AND EXTRACTOR, LANTERN GLAND (29-FEB-1988) [SUPERSEDING GGG-E-950A] [NO S/S DOCUMENT]., This specification covers extractors and tampers for stuffing box and pump Packing and lantern qland extractors. Packing extractors removo semihard paci. i;g held fast in stuf~ing boxes because of pressure, heat, or long use. Two packing extractors are usually employed to engage the packing at diametrically OPPOsite POints; this alsO applies to Lanterngland extractor which are designed to engage previously tapped holes in the glands or rings. Fiexible shaft tools are used in stuffing boxes wherever obstructions prevent the use of rigid shaft tools. Tampers are used to seat packing firmly in medium and deep stuffing boxes to provide a more efficient seal during long service.