"SEAWOLF CLASS SSN, LOS ANGELES CLASS SSN (688). AN/BLQ-10. UMM/PHOTONICS. SHIP, OHIO CLASS SSN (TRIDENT). SUBMARINE SURVEILLANCE SYSTEMS. TYPE 18 PERISCOPE."
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GENERAL CHARACTERISTICS ITEM DESCRIPTION
"ALUMINUM,MIL-A-17129; 4.093 IN. LG; 1.546 IN. W; 1.000 IN. HT; FIVE HOLES 0.1285 IN. HT; FIVE HOLES 0.1285 IN. DIA CBORED TO 0.198 IN. DIA"