MIL-DTL-83397B
4.3.4.1.1 Molded parts. The sample unit shall be one molded part and the examination shall
be in accordance with MIL-STD-407. The sample size shall be in accordance with ASQ Z1.4,
inspection level II, and the AQL related to percent defective shall be 1.5.
4.3.4.2 Examination for dimensional defects.
4.3.4.2.1 Molded parts. The sample unit shall be one molded part. The dimensions shall be
within the tolerances specified on the drawing, contract or order. The sample size shall be in
accordance with ASQ Z1.4, inspection level II, and the AQL related to percent defective shall be
1.5.
4.3.5 Conformance tests. The following tests shall be conducted on each lot of material:
Original:
Air Aged
Humidity Resistance
(7 days at 212F (100C)):
(4 days at 180F (82C)):
Specific Gravity
Tensile Strength
Tensile Strength
Elongation
Tensile Strength
Hardness
Elongation
Hardness
Tear Strength
4.3.5.1 Rejection criteria. A lot shall be rejected upon the failure of any sample to meet the
test requirements specified herein. A lot that has been rejected may be reworked to correct the
deficiencies and resubmitted for acceptance. Before resubmitting full particulars concerning
previous rejection and action taken to correct defects found in the original material shall be
furnished to the procuring activity. Material rejected after retest shall not be submitted without
specific approval of the procuring activity.
4.4 Test conditions. All test specimens shall be conditioned and tested at standard
conditions (see 4.4.1) unless otherwise specified herein or in the applicable ASTM test method.
4.4.1 Standard conditions. Standard conditions shall be 50 ± 5 percent relative humidity and
at a temperature of 75 ± 5F (24 ± 2.5C).
4.5 Test Methods.
4.5.1 Properties. Unless otherwise specified herein, properties shall be determined in
accordance with ASTM test methods for rubber products as follows:
ASTM method
Property
Tensile strength and elongation
D412
Hardness
D2240
Tear strength
D624 (use die B)
Temperature retraction (TR-10)
D1329
5
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business