User's Manual
MIL-PRF-46374G
19
6.5 Cross-reference of classification. Table X is a cross-reference of classification changes from
MIL-W-46374F to this specification.
TABLE X. Cross-reference table.
MIL-W-46374F MIL-PRF-46374G
Type 1 Type II class 4
Type 2 Type I class 4
Type 3 Type I class 1
Type 4 Type I class 2
Type 5 Type I class 3
Type 6 Type III class 1
Type 6 Type III class 2
Type 6 Type III class 3
6.6 Part identification number (PIN). The following part identification numbering procedure
is for government purposes and does not constitute a requirement for the contractor. This
example describes a part numbering system for specification MIL-PRF-46374G.
MIL-PRF-46374G -X X XXX
Type I - Analog, short life (2 years), non-maintainable,
antimagnetic, water-resistant
II - Analog, long life (5-10 years), maintainable,
antimagnetic, water-resistant, high altitude,
corrosion-resistant
III - Analog, long life (5-10 years), maintainable,
antimagnetic, water-resistant, high altitude,
corrosion-resistant, with elapsed time ring
Class 1 - Electrical movement, battery installed
2 - Electrical movement, battery out of watch but
packed with watch
3 - Electrical movement, battery not included with
watch
4 - Mechanical movement, battery not required
Color M - Silvery metallic
B - Black
Specification number