Figure 2-3. Periodic inspection (PI) intervals (extracted from SB 742-1).
Basic Load Inspections (BLIs). These are performed on stocks of munitions (including training, security,
and contingency stocks) that are maintained by a military unit or by civilian security forces. BLIs are conducted
annually according to TM 9-1300-206.
Surveillance Function Test Inspections (SFTIs). SFTIs are conducted according to the applicable
regulations for specific items. A visual inspection, conducted when preparing test samples for SFTIs, may satisfy
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