MIL-DTL-50648B
3.5.2 Vibration. The assembled delay element shall withstand vibration as prescribed in MIL-STD-810,
Method 514.3, Test Procedure I, Test Condition I-3.2.5 without evidence of any disintegration of the
ignition device, propellant, or igniter, or derangement of any component (see 4.7.4 and 6.2).
3.6 Functional requirements.
3.6.1 Delay element performance.
3.6.1.1 Misfires. The ignition delay element shall not fail to fire.
3.6.1.2 Ballistics. The ignition delay charge shall consist of barium chromate, as specified in
MIL-B-550, and boron, as specified in MIL-B-51092, in the proportion and quantity fixed by the
contractor to produce the ignition delay times required in table I (see 6.6.1).
TABLE I. Ballistic requirements.
Temperature (° F)
Ignition delay time (sec)
Lower
Upper
-60 to -70
0.600
0.760
65 to 75
0.600
0.660
195 to 205
0.500
0.660
3.7 Workmanship. Delay elements shall be free of cracks, splits, or other defects which might prevent
proper mating with connecting parts or proper functioning of the device.
3.7.1 Metal defects. All components shall be free from cracks, splits, cold shuts, inclusions, porosity, or
any similar defect.
3.7.2 Burr. No part shall have a burr which might interfere with the assembly or function of the item or
which might be injurious to personnel handling the item.
3.7.3 Foreign matter. No part or assembly shall contain chips, dirt, grease, rust, corrosion, or other
foreign matter.
4. VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are classified as follows:
a. First article inspection (see 4.4)
b. Quality conformance inspection (see 4.5)
4.1.1 Quality assurance terms and definitions. Reference shall be made to ANSI/ISO/ASQ A8402 to
define the quality assurance terms used.
4.2 Inspections. Inspections shall be in accordance with MIL-A-2550 and ASTM E1742.
4
For Parts Inquires submit RFQ to Parts Hangar, Inc.
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business