. .
..-
/’-7.
‘a
MIL-I-8846B
12 Member 1973
SUTER,SEDING
M3L-I-8846A
6 November1969
MILITARYSPL?CIFICATI’DN
:0
INSER~, SCREW-73iR.EAO,HELICALCOIL
This-specificationis appfovsdforuse
by 811 Departments
,,
and Agsneies of-the Department 6f Defense.
1.
SCOPE
1.1 @&
This specification covers helical coil ‘screw-threadinserts made from
formedwire,the inner
surfaces of which, after asssmbly,providethreadsas specified
on the appIicable14sstandard,drawing,or part descriptivedocument.
1.2
Classification.Ins&ts shallbe of the followingtypesand classes,as specified
(see6.2):
Type I - Coarsethread
Type II - Fine thread
Class 1 - Free running
Class2 - Screw locking(self-locking)
Type III - Taperpipe thread
ClassS - NPT pipe thread
Class6 - ANPT pipe thread
Type IV - Metric -
spark’plug thread
Class3 - Staking(sparkplug thread)
.
2.
APPLICA8LS00CLm4ENTs
2.1
The followingdocurnsnts,of the issuein effeeton dateof invitationfor bids or
requestfor proposal,forma part of this specification
to the extentspecifisdherein.
SPECIFICATIONS
Federal
●
PPP-H-158i
Milita~
MIL-P-7105
MIL-S-8879
STANOAROS
Federal
—.
FED.STD-66
FederalTestMethod
StandardNo. 1S1
Hardware(Fastenersand RelatedItems), Packagingand Packingfor
Shipmentand Storageof
PipeThreads,Taper,AeronauticalNational
GeneralRequirementsfor
ScrewThreads,Control1cd RadiusRootwith
GeneralSpecificationfor
Form, SymbolAWT ,
IncreasedMinorOia.meter,
Steel: Chemical Composition :nd Ha@enabi 1 it y
Metals;
Test Methods
;
FsC S340
,..
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