3.8.9 Environmental - There shall be no evidence of undue wear, corrosion, or
any other damage that might adversely affect function, following exposure to any
applicable environment specified herein or in the model specification.
3.9 Interchangeability - All parts having the same manufacturer's part number
The drawing number
shall be functionally and dimensionally interchangeable.
requirements of MIL-D-1OOO shall govern changes in the manufacturer's part
3.10 Maintainability. Maintainability aspects of ejector pumps shall be in
accordance with MIL-F-8615, paragraph 3.10.
3.11 Threaded connections.
3.11.1 Pipe Threads - Pipe threads shall conform to MIL-P-7105 and be used only
on permanent closures.
3.11.2 Screw Threads - Screw threads shall conform to MIL-S-7742 and MIL-S-8879.
3.11.3 Locking of Parts - All threaded parts shall be locked by safety wiring,
self-locking nuts in conformance with MIL-N-25027, cotter pins or other methods
Safety wire shall have a minimum diameter
approved by the procuring activity.
of .81 mm (0.032 inches) and shall conform to MS 20995. Self-locking nuts shall
be used in accordance with MS 33588. Where loosening or disengagement of the
self-locking nut could result in the nut or other parts entering the fuel system,
approval of the installation shall be obtained from the procuring activity.
Staking and the use of lockwashers shall not be permitted.
for the ejector shall be as
Dimensions - Complete outline dimensions
specified in the model specification.
3.13 Mass - The mass of the ejector shall be as specified in the model specifi-
Protective Treatment - All aluminum-alloy parts shall be anodized in
accordance with MIL-A-8625, or adequately treated in some other acceptable
manner for corrosion prevention. Stainless steel parts shall be passivated per
3.14.2 Paint - Paint shall not be used except for color code identification per
Identification of Product - Equipment, assemblies , and parts shall be
permanently marked for identification in accordance with MIL-STD-130.
marking shall include the following minimum information: