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MIL-W-5086/2 Airframe Wire – Type 2

Product #: W650-4/0


Mil-Spec No. MIL-W-5086
Gauge 4/0
Stranding 2109/30
Nom. Outer Diameter 0.720
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) 2109 x 30
Min. Diameter of Stranded Conductor 0.565 in
Max. Diameter of Stranded Conductor 0.605 in

Finished Wire

Max. Resistance at 20ºC (68ºF) per 1000 ft. 0.056 ohms
Diameter 0.720 ± 0.015 in
Max. Weight 785.00 lb/1000 ft.

Mandrel Diameter (±3%)

Mandrel Diameter (±3%) - Life Cycle (Oven and Bend Tests) 10.00 in
Mandrel Diameter (±3%) - Cold Bend Test 18.00 in

Test Load (±3%)

Test Load (±3%) - Life Cycle (Oven and Bend Tests) 10.00 lb
Test Load (±3%) - Cold Bend Test 30.00 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 50 cycles (100 strokes) (min), 250 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
Identification Durability 50 cycles (100 strokes) (min), 250 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
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 4000 volts (rms), 60 Hz, 100% test
Thermal Shock (Oven Temperature) 105 ±2 ºC
221 ±3.6 ºF
Wet Dielectric Test 2000 V RMS

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.