MIL-F-48235 (MU)
3.4 Air leaks. - Firing devices shall show no evidence of
cracking or separation of the parts or failure of the seals.
3.5 Functioning. - Firing devices shall function as follows:
3.5.1 Ambient (70 degrees plus or minus 5 degrees F).
a. Mechanist does not actuate when handle is depressed
with bail in safety (vertical slot) position.
b. Mechanism actuates when handle is depressed with
bail in functioning (angular slot) position.
c, Total energy generated shall measure not less than
21 milliwatt-seconds nor more than 30 milliwatt-seconds as
dissipated through 1.76 ohms of a 3.25 ohm load. Total time to
deliver this energy shall not exceed 24 milliseconds, nor be
less than 10 milliseconds.
d. Actuating mechanism shall return to original cocked
position and be capable of repeated use with a double pulse
(positive and negative) for each actuation.
3.5.2 Cold temperature. - The firing devices shall function
as specified in 3.5.1 a through d, after conditioning for a
minimum of 24 hours at minus 40 degrees F. plus or minus 5 de-
grees F., with the exception that the minimum acceptable total
energy generated shall be 18 milliwatt-seconds.
3.6 Workmanship .-All parts and assemblies shall be fab-
ricated and finished in a thorough workmanlike manner. They shall
be free of burrs, chips, sharp edges, cracks, crazes, unblended
radii, porosity, warpage, burn marks, checks, chipped edges,
blisters, excess flash, dirt, grease, rust, salt deposits, visible
raised cement seams, solder splash, corrosion products, and other
defects and foreign matter which would affect their serviceability.
The cleaning method used shall not be injurious to any part nor
shall the parts be contaminated by the cleaning agent. All re-
quired markings shall be neat, legible and sharply defined.
3.7 First Article Inspection. - This specification makes
provisions for first article inspection. Requirements for the
submission of first article samples by the contractor shall be
as specified in the contract.
4 . QUALITY ASSURANCE PROVISIONS
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