SAE AS 22759-42 pdf download

SAE AS 22759-42 pdf download.WIRE,ELECTRICAL.FLUOROPOLYMER-INSULATED,CROss-LINKED MODIFIEDETFE, NORMAL WENGHT,NICKEL-COATED HINGH-STRENGTH COPPERALLOY,200~c,6oo VOLT.
Part number: The asterisks in the part number column， tables I and 11, shal1 be replacedby color code designators in accordance with MIL-STD-681。Examp1es: size 20,white –
N22759/42-20-9; white with orange stripe – M22759/42-20-93.Printing of color code designatoron surface of wire insulation is not required.
RATINGS:
Temperature rating: 200CC (392°F) maximum continuous conductor temperature.
Voltage rating: 600 volts (rms) at sea level.
ADDITIONAL REOUIREMENTS:
Acid resistance: No requirement.
Blocking: 23OC ±3C (446°F ± 5,4°F)
Color: In accordance with MIL-STD-1 04, class 1; white preferred- Conformity of color to the limits of MIL-STD-104 shalt riot be required alter crosslinking proof test or life cycle oven exposure.
Color striping or banding durability: 125 cycles (250 strokes) (mi). 500 grams weight.
Crosslinking proof test: 7 hours at 300°C ±3°C (57FF ±5.4°F). Ouality conformance test, group II. Requirements and procedures as for life cycle except for time and temperature.
Dielectric test after immersion: 2,500 volts (mis), 60 Hz.
Flammability: Quality conformance test, group II. For requirements and procedures see below.
Humidity resistance: After humidity exposure, wire shall meet the requirements for initial insulation resistance.
Identification of product: Not required for size 24 and smaller. Color code designator not required.
Identification durability: 125 cycles (250 strokes) (mm), 500 grams weight.
Immersion: For procedure see below.
Impulse dielectric test: 8.0 kilovotis (peak), 100 percent test.
Insulation resistance, initial: 5,000 megohms for 1,000 feet (m1).
Insulation thickness:
0.003 inch (mm) for primary insutation.
0.004 inch (mm) for outer packet
0.008 inch (mm) for total insulation.
Life cycle: 500 hours al 230°C ±3°C (446°F ±5.4°F) Dielectric tesl. 2.500 volts (rms), 60 Hz. Procedure to use mandrels coated with polytetralluoroethylene in the form of either enamel or wrapped tape. such that the diameter of the rnandrels. after coating, still conform to the requirements of performance details, table II.
Low temperature (cold bend):
Bend temperature. -65°C ±3°C (-85°F ±5.4°F).
Dielectric test, 2,500 volts (rms). 60 Hz.
Physical properties of insulation: Pulled at 2 inches per minute. Primary insulation shall be separated from the outer jacket for determination of primary insulation tensile strength and elongation.
Tensile strength. 5000 fbI/in2 (mm) for primary insulation. 500 lbf1n2 (mm) for total insulation (primary insulation and jacket).
Elongation. 125 percent (mm) for primary insulatIon, 75 percent (mm) for total msulatlon (primary msulation and jacket),
Propellant resistance: No dielectric breakdown. For procedure see below.
Shrinkage: 0.125 inch (max) at 230°C ±3°C (446°F ±5.4°F).
Smoke: 250°C ±5°C (482°F ±9°F): no visible smoke.
Solderability: Not applicable.
Spark test of primary insulation: 1.500 volts (mis). 60 Hz.
Surface resistance: 500 megohms – inches (rrWn), initial and final readings.
Thermal shock resistance:
Oven temperature, 200°C ±3°C (392°F ±5.4°F).
Maximum change in measurement. 0.060 inch.
Wicking: Procedure II: weight Increase, no requirement. Dye travel between layers of insulation. 2.25 inches (max from end of specimen).
Wire length requirements: Schedule B.
Wrap test:
Wrap back test.
Oven temperature, 31 3°C ±3°C (595°F ±5.4°F).
Flammability requirements and procedure:
The flammability test of MIL-W-22759 shall be modified f or the wire of this specification sheet as follows: The specified test burner shall be used without the wing top flame spreader and shall be adjusted to furnish a 3-inch conical flame with an inner cone approximately 1 inch In height and a temperature of 955°C ±30°C (1751°F ±54°F) at its holiest point. A sheet of facial tissue conforming to UU-T-450 shall be suspended taut and horizontal 9-1/2 inches below the marked point on the wire specimen in the test chamber and at least 1/2 inch above the floor of the chamber, The period of application of the hot flame tip to the marked point on the wire specimen shall be 30 seconds for all sizes of wire. Observations shall include time of burning alter removal of the test flame, final distance of flame travel on the wire above the test mark, and presence or absence of flame in the facial tissue due to incendiary &ip from the specimen, Requirements shall be.