MIL-DTL-13931J
4.6.3 Contractor inspection equipment. The contractor shall provide and maintain gages and other
measuring and testing devices necessary for the contractor's inspection. Such equipment shall be subject
to inspection by the Government and shall be available to the Government representative, when requested,
for the purpose of product inspection.
4.6.4 Calibration. Through inspection of the contractor-furnished and the Government-furnished
inspection equipment, the Government representative shall determine that the contractor correctly uses
gaging, measuring and testing equipment of required accuracy, precision, type and range to make
measurements of the required accuracy. The contractor shall have a set of master gages, standards and
appropriate instruments for regularly scheduled calibration of the inspection equipment. Records of
regularly scheduled calibration shall be maintained by the contractor and made available for review by the
Government representative. The calibration of gages, standards and instruments shall be subject to
periodic check by authorized Government personnel. Calibration may be provided by a Government-
certified facility capable of providing the required service.
4.6.4.1 Calibration system. The calibration of inspection equipment shall be in accordance with
ANSI/NCSL Z540-1 and ISO 10012 PT. 1.
4.6.5 Periodic inspection of Government-furnished inspection equipment.
4.6.5.1 Periodic inspection time reached. Each time the frequency of calibration specified on the Gage
Record Card is reached during a contract, the inspection equipment shall be calibrated in accordance with
ANSI/NCSL Z540-1 and ISO 10012 PT. 1. The equipment shall be checked against a standard of
higher accuracy. Adjustable type equipment such as gages with adjusting screws, shall be adjusted.
Fixed-type equipment shall not be adjusted but shall be brought to the attention of the contracting officer.
The results of calibration shall be recorded on the reverse side of the Gage Record Card.
4.6.5.2 Periodic inspection time not reached. If the frequency of calibration specified-on the Gage
Record Card is not reached during a contract, entries shall be made on the reverse side of the Gage
Record Card in the following columns:
a. DATE ISSUED (date equipment is provided to using element)
b. NUMBER OF PIECES INSPECTED (total number of applications of equipment to
item being produced)
c. REMARKS (Contract number)
4.7
Inspection at the proving ground.
4.7.1 Examination before proof firing. The following inspection shall be performed before proof firing:
a. Assembled weapon. Visual examination of assembled weapon for proper assembly.
21
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business