MIL-PRF-23648F
3.26 Recycling, recovered, or environmentally preferable materials. Recycled, recovered, or
environmentally preferable materials should be used to the maximum extent possible provided that the
material meets or exceeds the operational and maintenance requirements, and promotes economically
advantageous life cycle costs.
3.27 Workmanship. Thermistors shall be processed in a manner as to be uniform in quality and shall
be free from holes, fissures, chip, and malformation. The leads shall be unbroken and not crushed or
nicked, and the thermistors shall be free from other defects that will affect life, serviceability, or
appearance.
4. VERIFICATION
4.1 Classification of inspections. The inspection specified are classified as follows:
a. Qualification inspection (see 4.4).
b. Conformance inspection (see 4.6).
c. Periodic group C inspection (see 4.7)
4.2 Test equipment and inspection facilities. The manufacturer shall establish and maintain a
approved by the qualifying activity.
4.3 Inspection conditions and precautions.
4.3.1 Inspection conditions. Unless otherwise specified herein, all inspections shall be in accordance
4.3.2 Precautions. Adequate precautions shall be taken during inspection to prevent condensation of
moisture on thermistors, except on the moisture resistance test.
4.4 Qualification. Qualification inspection shall be performed at a laboratory acceptable to the
Government (see 6.3) on sample units produced with and procedures normally used in production.
4.4.1 Sample. The number of sample units comprising of thermistors to be submitted for qualification
inspection shall be as specified in the appendix A to this specification. The sample shall be taken from a
production run, and shall be produced with equipment and procedures normally used in production.
4.4.2 Test routine. Sample units shall be subjected to the qualification inspection specified in table IV,
in the order shown. All sample units with the exception of those for group II shall be subjected to the
inspection of group I. The 50 sample units from group I shall than be divided as specified in table IV for
group III to group VII inclusive, and subjected to the inspection for their particular group.
4.4.3 Failures. Failures in excess of those allowed in table IV shall be cause for refusal to grant
qualification.
7
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business