MIL-DTL-438C
3.8 Marking.
3.8.1 Spools or reels. Each spool or reel shall be plainly marked on both ends with the information as
listed in accordance with MIL-STD-129. If paper labels are used, they shall be protected by a transparent
compound to prevent deterioration of marking. The positioning and length of all pieces shall be indicated
on the spool or reel.
National Stock No.
CABLE; IGNITION, HIGH-TENSION.
Type Designation "M438 __________"
Length (ft).
Contract or Order No.
Date of manufacture.
Manufacturer`s name and CAGE code.
US Government property.
3.8.2 Shipping containers. In addition to any markings required by the contract or order, shipping
containers shall be marked in accordance with MIL-STD-129.
4. VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are classified as follows:
a. First article inspection (see 4.2)
b. Conformance inspection (see 4.3).
4.2 First article inspection. First inspection shall be performed on one complete electrical wire primer
when a first article sample is required (see 3.1). This inspection shall include the examination of 4.2.3
4.2.1 Test equipment and inspection facilities. Test and measuring equipment and inspection facilities of
sufficient accuracy, quality, and quantity to permit performance of the required inspections shall be
established and maintained by the contractor. The establishment and maintenance of a calibration
system to control the accuracy of the measuring and test equipment shall be in accordance with NCSL
Z540.3 and ISO 10012-1.
4.2.2 Lot size. An inspection lot shall consist of all cables of the same type designation (see 1.1)
produced under essentially the same conditions, and offered for inspection at the same time.
4.2.3 Sampling. The inspection sample shall consist of 5 feet of wire from each spool, randomly selected
from the lot without regard to quality and shall be of the size specified in table I.
TABLE I. Inspection sample.
1/
Production lot size
Sample size
1
1
2 to 8
2
9 to 90
3
91 to 150
12
151 to 280
19
281 to 500
21
501 to 1,200
27
1,201 to 3,200
36
3,201 to 10,000
38
10,001 to 35,000
46
1/ Lot size is based on the number of units of product.
3
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