TM-1-1500-344-23-4
CONSUMABLE MATERIALS AND EQUIPMENT FOR AIRCRAFT AND AVIONICS VOLUME IV
TECHNICAL MANUAL; CLEANING AND CORROSION CONTROL
SEPTEMBER 2013
TM-1-1500-344-23-4 - Page 21 of 92
2-13
NAVAIR 01-1A-509-4
TM 1-1500-344-23-4
01 September 2013
Table 2-6. Encapsulants
Nomenclature
Specifcation/
Part No.
National Stock
Number
Unit of
Issue
Intended Use
Usable
On
AC
AV
Molding And
Potting Compound,
Electrical Insulating,
Polyurethane
MIL-M-24041
Category A
Type I
Category B
Type I
Type II
COLOR
Amber
Clear
Black
Black
Clear
KT (1 QT)
KT (1 PT)
KT (1 PT)
KT (2 EA)
CA (6 OZ)
Protection of electrical
connectors from moisture,
contamination, and aircraft
fuids.
Type I is a two component
compound.
Type II is premixed and
frozen.
X
Silicone Adhesive-
Sealant, One-Part,
Room Temperature
Vulcanizing (RTV),
Non-fuel Resistant,
Non-corrosive
(Synthetic rubber)
MIL-A-46146
Group I Type I
(General
Purpose
Thixotropic
Paste)
Group I Type II
(General
Purpose
Self-Leveling
Liquid)
Group II Type I
(High Strength
Thixotropic
Paste)
Group II Type II
(High Strength
Self-Leveling
Liquid)
Group III Type I
(High
Temperature
Thixotropic
Paste)
COLOR
Clear
White
White
White
White
Clear
Clear
Clear
Clear
Clear
Clear
Gray
Gray
Gray
Clear
Gray
TU (3 OZ)
TU (3 OZ)
KT (3 OZ)
KT (12 OZ)
CA (12 OZ)
TU (3 OZ)
KT (3 OZ)
PT
TU (3 OZ)
KT (3 OZ)
TU (3 OZ)
KT (12 OZ)
TU (3 OZ)
TU (3 OZ)
KT (3 OZ)
TU (3 OZ)
For coating and patching
RTV coated circuit boards
and components. Not
fowable into crevices and
hard to reach areas.
Kit (KT) includes primer
coat but Tube (TU) does
not.
NOTE
RTV 3140 is a Group I
Type II sealant.
RTV 3145 is a Group II
Type I sealant.
X
Varnish, Electrical
Insulating
ASTM D3955
CN (5 GL)
GL
EA (16 OZ aerosol)
Moisture and fungus
resistant varnish for
electrical equipment and
for clear coating on copper.
For coating and patching
of varnish coated circuit
boards. Thinner: Use A-A-
3007 (see Table 2-11).
X
Sealing Compound,
Synthetic
Rubber, Electrical
Connectors and
Electrical Systems,
Chemically Cured
MIL-PRF-8516
Type II
Class 1 (24 hr cure)
Class 2
(48 hr cure)
Class 3 (72 hr cure)
CA (2.5 OZ)
CA (6 OZ, frozen)
KT (24 OZ, two part)
KT (96 OZ, two part)
KT (6 OZ, two part)
KT (24 OZ, two part)
For sealing low voltage
electrical connectors,
wiring and other electrical
apparatus against moisture
and corrosion where
temperature does not
exceed 200°F (93°C).
Good resistance to
gasolines, oils, grease,
water and humidity.
X
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