MIL-PRF-83531C
2.4 Order of precedence. In the event of a conflict between the text of this document and the
references cited herein (except for associated specifications, specification sheets, or MS standards), the
text of this document takes precedence. Nothing in this document, however, supersedes applicable laws
and regulations unless a specific exemption has been obtained.
3. REQUIREMENTS
3.1 Specification sheets. The individual item requirements shall be as specified herein and in
accordance with the applicable specification sheet. In the event of any conflict between the requirements
of this specification and the specification sheet, the latter shall govern.
3.2 Qualification. Delay lines furnished under this specification shall be products which are authorized
by the qualifying activity for listing on the applicable qualified products list at the time of award of contract
(see 4.4 and 6.4).
3.3 Qualified Products List (QPL) system. The manufacturer shall establish and maintain a QPL
system for parts covered by this specification. Requirements for this system are specified in
MIL-STD-790. Delay lines shall be subjected to and pass all applicable requirements, tests, and
inspections specified herein, including qualification and quality conformance inspection requirements.
3.3.1 Statistical Process Control (SPC). As part of the overall MIL-STD-790 QPL system, the
manufacturer shall establish an SPC system that meets the requirements of EIA-557.
3.3.2 Electrostatic discharge (ESD) control program. As part of the overall MIL-STD-790 QPL system,
the manufacturer shall establish and maintain an ESD control system. As a minimum, this program shall
address the identification of ESD sensitive (ESDS) sub-components and end items, facilities, training
design protection, handling procedures, marking, cleaning, packaging, and verification.
3.4 Materials. The materials shall be as specified herein; however, when a definite material is not
specified, a material shall be used which will enable the delay lines to meet the performance
requirements of this specification.
3.4.1 Flammable materials. Materials used in the construction of delay lines shall be nonflammable
and non-explosive.
3.4.2 Corrosive materials. Corrosive materials used in any of the manufacturing processes shall be
removed or neutralized so that no corrosion will result from such use. Materials used in the construction
of delay lines shall be non-corrosive.
3.4.3 Solder and soldering flux. Solder and soldering flux shall be of such quality as to enable the
delay lines to meet all the requirements of this specification.
3.4.4 Case material. Unless otherwise specified (see 3.1), cases may be of metallic or nonmetallic
material. All metallic surfaces shall be protected against corrosion and shall be free from blisters and
other defects which may affect the protective properties of this finish.
3.4.5 Terminals. The terminals shall facilitate soldering and meet the performance specifications
provided within this specification (see 3.1). The use of tin plating is prohibited. Use of tin-lead finishes
3
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business