. .
GGG-E-950A
February
29, 1988
(SUPERSEDING)
“GGG-E-950
August 19,1957
1.
1.1
FEDERAL S?ECIF1CATION
EXTRACTOR , STUFFING BOX ANO PUMP PACKING (ANO TAMPER) ;
ANO
EXTRACTOR, LANTERN GLAND
This specification is approved by the
commissioner, Federal Supply
Service, General Services Administration, for the use of all Federal
agencies.
SCOPE AND CLASSIFICATION
T
This specification covers extractors and tampers for stuffing box and
DUUIP Pack nq 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.
1.2 classification
o
1 .2.1 Types and classes.
Extractors and tampers shall be
of the following types
and classes, as specified isee 6.2) .
Type I. Extractor,
stuffing box and pump
packinq .
Class 1. - Screw
and flexible shaft
Class 2. - Screw and rigid shaft
class 3. - Hook and rigid shaft
Class 4. - Oouble end, rigid shaft
Type 11. Extractor,
lantern
qlnnd.
TyPe 111. Tamper,
stuffinq box and pump
packin~
2. APPL1CA8LE DCCUHENTS
2.1
The foiiowing documents, c.f the issues in effect on date of invitation for
bids or request for proposal, form a part of this speci f
i cation to the extent
specified herein.
Federal Speci f icat ion:
PPP-P-40 - Packaging and Packing of Hand
TOOIB
Federal Standard:
Fedecal Standard No. 102 -
Federal Standard No. 123 -
0
Federal Standard H28 -
DISTRIEIUTION
STATEHENT A.
Preservation, Packaging and Packing Levels
Harking for.Shipment (Civil Agencies)
Screw-Thread Standards for Federal services
FSC 5120
APPc Oved for public reiease; distribution is unlimited.
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