MIL-PRF-62541A
TABLE I. Classification of defects.
Method of
Category
Defect
examination
Major:
101
Construction - Not in accordance with drawings (see 3.3.1).
Visual & SIE 1/
102
Interchangeability - Adjustment or modification required (see 3.3.2).
Visual
103
Accessories and equipment - Not as specified (see 3.3.3).
Visual
104
Speed range - Operation not satisfactory (see 3.3.4).
SIE
Minor:
201
Visual
Painting improper (see 3.5).
202
Visual
Identification - Not in accordance with drawing (see 3.6).
203
Visual & SIE
Workmanship - Defects, safety hazards or insufficient quality (see 3.7).
SIE 1/ = Standard Inspection Equipment.
4.2.2 Initial production inspection. Unless otherwise specified (see 6.2), the Government
shall select 2 from the first 10 engines produced under the production contract for initial
production inspection. Initial production units shall be inspected as specified in table II.
TABLE II. Classification of inspections.
First
Conform-
Title
Requirement
Inspection
article
ance
X
4.5.1
3.2
Materials
X
X
3.3.1 thru 3.3.4 &
4.5.2
Defects (see table I)
3.5 thru 3.7
X
3.4.1
4.5.3
Limiting operating
temperatures
X
3.4.2
4.5.3
Exhaust
X
X
3.4.3
4.5.3.1
Idle speed
X
4.5.3.2
X
Governor
3.4.4
X
4.5.3.3
Dynamometer performance
3.4.5
X
X
4.5.3.3
Torque
3.4.5.1
X
X
3.4.5.2
4.5.3.3
Brake horsepower
X
3.4.5.3
4.5.3.3
Fuel consumption
X
4.5.3.4
X
3.4.6
Exhaust smoke density
4.5.3.5
X
3.4.7
Oil consumption
4.5.3.6
X
X
Oil pressure
3.4.8
Endurance test
3.4.9
4.5.3.7
X
Extreme temperature
3.4.10
4.5.3.8
X
starting conditions
Low pressure conditions
3.4.11
4.5.3.9
X
Humidity conditions
3.4.12
4.5.3.10
X
Steam and water jet cleaning
3.4.13
4.5.3.11
X
Engine interchangeability
3.4.14
4.5.3.12
X
7
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