MIL-DTL-917F(SH)
TABLE XI. Spacers.
Applicable
Item
Material
Type or grade
Max. temperature, °F (°C)
document
Spacer (rigid-flat)
Glass melamine
GME
MIL-I-24768/1
266 (130)
Glass silicone 1/
GSG
MIL-I-24768/17
392 (200)
Glass epoxy
GEE
MIL-I-24768/3
266 (130)
266-356 (130-180) 2/
Glass polyester
GPO-N1
MIL-I-24768/4
Spacer (rigid-tube-
Glass melamine
GMG, TR
MIL-I-24768/8,
266 (130)
rod, or formed
MIL-I-24768/10,
shape)
MIL-I-24768/11,
MIL-I-24768/12,
MIL-I-24768/13,
MIL-I-24768/14,
and MIL-I-24768/16
Glass silicone 1/
GSG
MIL-I-24768/17
356 (180)
266-392 (130-200) 1/
Spacer (flexible)
Reinforced mica
All
MIL-I-3505
Varnished glass
0
ASTM D2400 (for
194 (90)
guidance only) and
ASTM D2754
Polymeric resin
Type I, Class E
ASTM D5213
302 (150)
film
NOTES:
1/
See 3.3.1.4 for restrictions on the use of silicones.
2/
Limiting temperature will depend on the type of resin or binder used.
3.4.10 Binding tape and strips. Binding tape and strips (porous for later impregnation or filling) for mechanical
purposes shall be glass in accordance with MIL-Y-1140. For Class 130 and higher temperature applications, glass
tape and cloth shall be heat cleaned to remove sizing. Subsequent chemical treatment may be used if compatible
with varnish used for filling or impregnating (see 3.4.17).
3.4.11 Electrical tape. Electrical tape shall be in accordance with MIL-I-631. Electrical pressure-sensitive tape
shall be in accordance with MIL-I-24391, MIL-I-19166, or Types AFT, GFT, EG, or MFT of A-A-59770.
3.4.12 Slot-wedges (non-metallic). Slot-wedges shall be selected from table XII.
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