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MIL-W-5086/2 Airframe Wire – Type 2

Product #: W650-18

Specifications

Mil-Spec No. MIL-W-5086
Gauge 18
Stranding 19/30
Nom. Outer Diameter 0.095
Operating Voltage 600 V
Temperature Rating 105 ºC
Conductor Tinned Copper
Insulation Polyvinylchloride (PVC) Fiberglass Braid
Jacket Material Clear Nylon 22-10 gauge
Nylon Impregnated Braid 8-4/0 gauge
Color White - stripes are available for color coding
In accordance with MIL-STD-104, Class 1; white preferred
Stranding (Number of Strands X AWG gage of Strands) 19 x 30
Min. Diameter of Stranded Conductor 0.046 in
Max. Diameter of Stranded Conductor 0.051 in

Finished Wire

Max. Resistance at 20ºC (68ºF) per 1000 ft. 6.23 ohms
Diameter 0.095 ± 0.005 in
Max. Weight 9.50 lb/1000 ft.

Mandrel Diameter (±3%)

Mandrel Diameter (±3%) - Life Cycle (Oven and Bend Tests) 4.50 in
Mandrel Diameter (±3%) - Cold Bend Test 3.00 in
Mandrel Diameter (±3%) - Wrap Test 0.57 in

Test Load (±3%)

Test Load (±3%) - Life Cycle (Oven and Bend Tests) 1.00 lb
Test Load (±3%) - Cold Bend Test 2.00 lb

Wire Ratings and Additional Requirements

Max. Conductor Temperature Range 221 ºC
105 ºF
Blocking 105 ±2 ºC
221 ±3.6 ºF
Color Striping or Banding Durability 250 cycles (500 strokes) (min), 500 grams weight
Flammability (Method 1) 30 sec (max) after-flame
1.50 inches (max) flame travel, either direction on wire
No flaming of tissue paper
Humidity Resistance 40 megohms for 1000 ft, min insulation resistance after humidity exposure
Identification Durability 125 cycles (250 strokes) (min), 500 grams weight
Impulse Dielectric Test Primary Insulation (When Test is used in Lieu of Spark Test): 6.0 kilovolts (Peak), 100% Test
Finished wire: 8.0 kilovolts (peak), 100% test
Min. Insulation Resistance for 1000 ft. 40 Megohms
Life Cycle (Oven Temperature) 120 ±2 ºC
248 ±3.6 ºF
Low Temperature (Cold Bend) -55 ±2 ºC
-67 ±3.6 ºF
Shrinkage 0.125 inch Max. @ 150º ±2ºC (302º ±3.6ºF)
Smoke 110 ºC
230 ºF
Spark Test of Primary Insulation 3000 volts (rms), 60 Hz, 100% test
Surface Resistance 5 megohm-inches (min), initial and final readings
Thermal Shock (Oven Temperature) 105 ±2 ºC
221 ±3.6 ºF
Wet Dielectric Test 2000 V RMS
Wrap Test (Oven Temperature) 95 ±2 ºC
203 ±3.6 ºF

Wrap Test Specimens

Note In the selection of MIL-W-5086/2 wire specimens for the wrap test, each sample length from which a specimen is to be taken shall first be subjected to the dye inspection described under the wrap test procedure of MIL-W-5086, in order to detect glass fiber protrusions, if present, which permit dye penetration into the underlying braid. Specimens for the wrap test shall be cut only from those portions of each sample length which are free of such glass fiber protrusions.