Mil-Std-1344A(3)

FOLLOUING
NEW 5 6
PAGE
“
DATE
SUP.ERSEOEO 5 6
PAGE 10 10 TABLE OF CON TEUTS.
DATE September September 1980 1980
3.
RETAIN
THIS
NOTICE
PAGE
ANO .INSERT
BEFORE
THE
4. q nd q dditions indicated Holders of M2L-STO.1344A will verify that page changes i.hove have been entered. This notice page w1ll be retained as a check sheet. This issuance. together with appended pa9es, is a separate publication. Each notice’is to Ibe retained by stocking points until the Military Standard is completely revised or canceled.
R or
2.
TEST a.
EQuIPMENT.
Test
equipment sample of
and chamber being
materials shall sealed be with
shall
be
as
follows. from frsert volume of mater 1 to CIls. 5
area). Pr!or to befng fnserted qty t hat the measurement areas to the acid fumes. of shrouds, care shall
fnto the be qasily
test
to assesbly prior preDaratton stage. qrea.
qnd box contacts, the measurement 4rea number of adjacent 1.
sultiple (see tfnes
tine figure opened
61. or
In
ffETHflfl
ln17
l.- .--
–---_ .-. _ - .._______’.
hoods, or other be taken not to
touch
b.
1
q .
All socket contacts Including tul{p, contacts shall be opened to expose tine contacts. the case of qultiple removed shall be as shown In table
I
I I I
5
1
I &
2 2
6
I
3
1 I L t 1
3.2
Sample
q
preparation
(cleanin~.
Cletning
of
test
specfmens
prior
to
testing.
A solvent lubricants suf table solvents. water. Contacts dried.
3. TEST Indfvldual 3.1 chamber, viewed a.
of
$assples
to
be
tested
shal
be
specified
fn
the
$a=ple preparation (measurement be prepared sO contacts shall q microscope 4ad qxposed through Contacts qccessories. or damage shall the be tested During the qeasurement
;
,1
‘:
“1
I
J
sTANDARD [L ECTRICAL CONNECTORS
MI L-s To.1344A NOTICE 3 6 April JVW
0
TO ALL 1. THE HoLDERS FOLLOWING NEU 1017 2019 2. I.ISTEU: THE ME THOO OF
MILITARY
that will remove qny organic f{lm that say be present. such qs or fingerprints. shell be used to cleen the test Spcclmen:. A cleaning salutlon Is one of the chlorinated or fluorinated Samples shall then be washed fn runnfng dlstfl led or deionized
q.
q icroscope
capable light
of
10X source
cagnfflcatlon. capable of obl que ang)e 15to 30” to
f.
Colllmited incandescent seasurement surface. the SAMPLES. sDeciffcation. The number
MIL-sTD-13b4A
TABLE
1 # 1 NO.
I.
Samples.
1
#
1 I ,
per
of tines contact
I , I
1
opened
No. of tfnes to be or removed and disregarded .I
# I
1
,
I 1 I
2 3
I
1
1 1
1
I
1 I
4
1 1 #
dried until the qlcohol such air shell Is used, fingers.
has be dry
and
d.
samples shell be wisuelly Inspected under 10X of particulate qatter remaining on the su.rfece. remain on the surface, semples shell be recleaned
b.
shall
be
rfnsed
in
unused
reegent
grade
Isopropyl
alcohol
and
c.
After rfnsing, the samples shall be qir completely evaporated. q n air blast If clean. Do not contact samples with bare After cleaning, qviolence for partlcul.stes through c. Materfils be removed desiccator. Contects and sll of Adjacent other. exposed than 5CI
Custodians: Army - CR tlavy - AS &ir Force
Preparing Mavy BS (Project
-
actlvitY: AS 5935-3283)
Reuiew activities: Army . HI. AR Navy - EC Air Force - Il. OLA - ES
The desiccator or having the capability liters. Th size nf ! cm ) of qir acid surface Concentrated
constructed an enclosed
b.
the desiccator space ihall area. Reagant
17.
99
I
.,
Agent: OLA
-
ES
p
Fsc
5935
MIL-STD-1344A
q
METHoD
1017
POROSITY
1. WICPOSC. The purpose of this procedure 1s to determine the magnitude of q s. other surface defects inherent In application of porosity as well finishes. q ethod be USed as an q ve ?“’dcont”ct technique Uttlon It Is the intent that the defined for the accentabtlftv of sold contact fin{shes. The method descrfbed herein has been ment. setup and operation. selected on the basi; of ~lm llcity of qqui procedure applies only to go !“ d finishes wit without underplates s,ppl~~~sto , opper or nickel base alloy contacts.