MIL-DTL-9398D
3.6.2 Reliability.
3.6.2.1 Operational stability. The generator shall operate with satisfactory performance,
continuously or intermittently, for a period of at least 1,000 hours without the necessity for any
adjustment.
3.6.2.2 Reliability in mean time between failures (MTBF). The generator shall have a
minimum mean time between failures of 1,000 hours when tested as specified in 4.5.24.
3.7 Identification of product.
3.7.1 Nameplate. A nameplate shall be securely attached to the exterior of the generator
and shall be marked in accordance with the requirements of MIL-STD-130 except that the national
stock number (NSN) shall be omitted.
3.7.2 Application marking. The marking "FOR USE WITH PERCENT RPM
INDICATORS ONLY" shall be stamped in yellow on opposite sides of the stator shell. The
marking shall be durable enough to withstand usage encountered in service.
3.7.3 Manufacturer's part number. The manufacturer's part number on the nameplate shall
be identical with the manufacturer's engineering production drawing number including applicable
dash numbers if the drawing is tabulated and covers more than one part.
3.8 Interchangeability. All parts having the same manufacturer's part number shall be
directly and completely interchangeable with each other with respect to installation and
performance. Changes in manufacturer's part numbers shall be governed by the drawing number
requirements of MIL-DTL-31000.
3.9 Workmanship. The generator, including all parts and accessories, shall be constructed
and finished in a thoroughly workmanlike manner. Particular attention shall be paid to neatness
and thoroughness of soldering, wiring, impregnation of coils, marking of parts and assemblies,
plating, painting, riveting, machine screw assemblage, welding and brazing, and freedom of parts
from burrs and sharp edges.
4. VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are classified
as follows:
a. Qualification inspection (see 4.3).
b. Conformance inspection (see 4.4).
4.2 Inspection conditions. Unless otherwise specified, all inspections shall be performed
in accordance with test conditions specified in the applicable test paragraphs of this specification.
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