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O | Technical Definitions

Operational Test Code (OTC)

A one position numeric code that indicates special procedures must be performed on an item of supply while under care-in-stores or as a part of the issue process. In accordance with DOD 4100.39-m, volume 10, table 123.

Optional Procedure Indicator Code

A one position alpha code that indicates the allowable deviations from the prescribed requirements. In accordance with DOD 4100.39-m, volume 10, table 182 and MIL-STD-2073-1E, appendix j, table j.viiia.

Order Of Use (OOU)

A three position alpha code denoting the interchangeability and substitutability (i&s) relationship of a national stock number within a service/agency i&s family. The first two positions indicate the i&s order of use subgroup code and the last position indicates the order of use sequence code within subgroups. Code a indicates the most preferred item and will be ranked alphabetically based on preference. In accordance with DA PAM 708-2, paragraph 2-17.

O-ring | 5331-00-891-1759

O-ring

5331-00-891-1759

Thermal Relay | 5945-00-119-9003

Thermal Relay

5945-00-119-9003

Shear Bolt | 5306-01-305-4320

Shear Bolt

5306-01-305-4320

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