SS72012 datasheet(89/144 Pages) ACIT

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M27500 Cables—type NK (M81381/21 components)

Jacket material—12

M27500 - 18NK 1T12

Component wire AWG

Component wire type

NK: MIL-DTL-81381/21

: FEP/Polyimide Tape

Number of component wires

Shield material—T: Tin-plated copper

M27500 NK cables

are shielded and jacketed cables

with a jacket of FEP/polyimide tape, incorporating

MIL-DTL-81381/21 wires.

These component wires have an insulation of two

layers of FEP/polyimide/FEP tape with a polyimide

hard coat for increased cut-through and abrasion

resistance.

The component wires have tin-plated copper

conductors.

Performance:

Voltage rating:

600V.

Temperature rating:

-55 to 150˚ C.

See page 64 for component wire dimensions.

Construction Details

Component wire conductor:

Tin-plated copper.

Component wire insulation:

Two layers of FEP/polyimide/FEP tape with

modiﬁed aromatic polyimide coating.

Shield:

Tin-plated copper braid, 85% coverage.

Jacket:

Natural polyimide/FEP tape, wrapped and

heat sealed, with polyimide outer surface.

Colors:

Color coded to M27500 (see page 67).

Certiﬁcations also available to NEMA WC27500.

Part Numbers:

Component Wire

Shield

Jacket

Weight

AWG (Stranding)

Diameter

(37/26)

.138 (3.51)

.147 (3.72)

37.9(56.46)

(37/28)

.115 (2.92)

.124 (3.14)

25.7(38.19)

(19/27)

.096 (2.44)

.105 (2.66)

17.7(26.40)

(19/29)

.083 (2.11)

.092 (2.33)

12.5(18.62)

(19/30)

.077 (1.96)

.086 (2.18)

10.6(15.71)

(19/32)

.067 (1.70)

.076 (1.92)

8.23(12.25)

(19/34)

.059 (1.50)

.068 (1.72)

5.82 (8.65)

(19/36)

.052 (1.32)

.061 (1.54)

4.84 (7.20)

(19/38)

.049 (1.24)

.058 (1.46)

4.31 (6.41)

Component Wire

Shield

Jacket

Weight

AWG (Stranding)

Diameter

(37/26)

.260 (6.60)

.269 (6.82)

74.2 (110)

(37/28)

.214 (5.44)

.223 (5.66)

50.2 (74.8)

(19/27)

.176 (4.47)

.185 (4.69)

34.0 (50.6)

(19/29)

.150 (3.81)

.159 (4.03)

23.7 (35.3)

(19/30)

.138 (3.51)

.147 (3.72)

19.7 (29.4)

(19/32)

.118 (3.00)

.127 (3.22)

14.3 (21.3)

(19/34)

.102 (2.59)

.111 (2.81)

10.8 (16.1)

(19/36)

.088 (2.24)

.097 (2.45)

7.96 (11.8)

(19/38)

.082 (2.08)

.091 (2.30)

6.85 (10.2)

Dimensions and Weight—1 Conductor Cables

Dimensions and Weight—2 Conductor Cables

Dimensions and Weight—3 Conductor Cables*

Dimensions and Weight—4 Conductor Cables

Component Wire

Shield

Jacket

Weight

AWG (Stranding)

Diameter

(37/26)

.282 (7.17)

.291 (7.39)

110 (164)

(37/28)

.229 (5.81)

.237 (6.03)

71.4 (106)

(19/27)

.188 (4.78)

.197 (4.99)

48.0 (71.5)

(19/29)

.160 (4.07)

.169 (4.28)

33.0 (49.1)

(19/30)

.147 (3.74)

.156 (3.96)

27.3 (40.6)

(19/32)

.126 (3.19)

.134 (3.41)

19.5 (29.0)

(19/34)

.108 (2.75)

.117 (2.97)

13.9 (20.7)

(19/36)

.093 (2.37)

.102 (2.59)

10.7 (15.9)

(19/38)

.087 (2.21)

.096 (2.43)

8.41 (12.5)

Component Wire

Shield

Jacket

Weight

AWG (Stranding)

Diameter

(37/26)

.314 (7.98)

.327 (8.29)

145 (216)

(37/28)

.259 (6.58)

.267 (6.79)

95.8 (143)

(19/27)

.209 (5.31)

.217 (5.52)

62.2 (92.6)

(19/29)

.177 (4.50)

.186 (4.73)

42.3 (63.0)

(19/30)

.163 (4.14)

.172 (4.36)

35.0 (52.1)

(19/32)

.139 (3.53)

.148 (3.75)

24.7 (36.8)

(19/34)

.120 (3.05)

.128 (3.26)

18.1 (27.0)

(19/36)

.103 (2.62)

.111 (2.83)

12.8 (19.0)

(19/38)

.096 (2.44)

.104 (2.65)

10.5 (15.7)

Dimensions in inches (mm). Weights in pounds/1000 feet (Kg/1000 M). All values are nominal. *Using factors from a circumscribed circle per M27500.

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