b. Individually keyed padlocks shall have at least as many possible key changes as shown below:
Size A – 4,000
Size B – 10,000
c. The locking mechanism shall be as specified in MS21313 or MS35647. The dead bolt shall be one or two piece construction and shall not depend on spring action to hold the bolt in the locked position. The locking mechanism shall not permit removal of the key in the unlocked position (see 4.5).
d. The cylinder plug of the padlock shall be securely fastened within the case to preclude forcible separation or opening of the padlock without mutilation (see 4.5 and Forcing Tests of ASTM F883)
3.7 Lubrication. Unless otherwise specified, working parts shall be lubricated as needed with a lubricant normally used for the intended purpose.
3.8 Corrosion and deterioration control. The padlocks and chains when specified, shall be fabricated from compatible materials, inherently corrosion and deterioration resistant or treated to provide protection against the various forms of corrosion and deterioration that may be encountered in any of the applicable storage and use environments to which the padlocks may be exposed. Dissimilar metals which react to produce galvanic corrosion shall be electrically insulated from one another with corrosion inhibiting sealant, chromate tape, varnish or other suitable means (see Option E of Corrosion Tests of ASTM F883)
3.9 Finish. Finish shall be in accordance with MS21313 or MS35647 unless otherwise specified. Prior to application of any coating, all exterior surfaces shall have a smooth finish. Sharp exterior edges and burrs shall be removed. The case surface shall have a smooth or tumbled finish for laminated construction.
3.10 Part numbering. Padlocks shall be identified by the part number identified in MS21313 or MS35647 as applicable. This part numbering system is intended for identification and cross-indexing of the item within the Federal cataloging system. Part numbers are not required to be placed on the product or container.
EXAMPLE: MS35647-4 (This part number identifies a padlock conforming with MS35647 and with PIN number 4 of table I)
3.11 Workmanship. The mechanism of the padlocks shall function smoothly without the application of excessive force. No defects that affect appearance or serviceability shall be permitted.
4. QUALITY ASSURANCE
4.1 Quality assurance provisions. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in the contract or order, the contractor may use his own or any other facilities
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