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Corrosion resistance
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Lubricants, Water Displacing, Synthetic
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Size of test disk and panels



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MIL­L­87177A
TABLE I. Physical and chemical properties.
Characteristics
Limits
Dryness
0.0100 gram (max)
243°C(470°F)(min)
Flash point
Grade A Synthetic
No visible corrosion.
sea water
Fine localized pitting shall
displacement
not be cause for rejection
Dielectric breakdown
25,000 volts (min)
Lubricity
1.20 mm wear scar diameter
(max)
Residue soluble
No visible residue
trichlorotrifluoroethane
Oxidation stability
Less than 5 pounds per 100
hours
Grade A corrosivity
No visible pitting, etching, or dark
discoloration. No weight change
(milligrams/ cm@) greater than 0.5
for magnesium, cadmium and
zinc; nor greater than 0.2 for
aluminum, copper and brass.
Grade B corrosion
No evidence of corrosion on the
resistance base metal when
exposed for 168 hours in
accordance with methods
specified in section 4.
Sprayability
Sprayable.
Grade C shall meet all the physical and chemical properties in table I except the
corrosivity (Grade A) and corrosion resistance (Grade B) requirements.
4. QUALITY ASSURANCE PROVISIONS
4.1.1 Responsibility for compliance. All items shall meet all requirements of sections 3
and 5. The inspection set forth in this specification shall become a part of the
contractor's overall inspection system or quality program. The absence of any
inspection requirements in the specification shall not relieve the contractor of the
responsibility of ensuring that all products or supplies submitted to the Government for
acceptance comply with all requirements of the contract. Sampling inspections, as part
of manufacturing operations, is an acceptance practice to ascertain conformance to
requirements, however, this does not authorize submission of known defective material,
5

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