The SIGHT UNIT is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 1240-01-580-9836, indicating validated use in U.S.
government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.
SUPPLEMENTARY FEATURES: A LIGHTER, SMALLER VERSION OF THE MODEL 552, THE MODEL 551 OFFERS THE SAME DURABILITY AND FUNCTION, BUT IN A MORE COMPACT UNIT; THIS SIGHT TAKES UP LESS VALUABLE RAIL SPACE, LEAVING MORE ROOM FOR A REAR IRON SIGHT OR NV MOUNT
TECHNICAL CHARACTERISTICS
SUPPLEMENTARY FEATURES
A LIGHTER, SMALLER VERSION OF THE MODEL 552, THE MODEL 551 OFFERS THE SAME DURABILITY AND FUNCTION, BUT IN A MORE COMPACT UNIT; THIS SIGHT TAKES UP LESS VALUABLE RAIL SPACE, LEAVING MORE ROOM FOR A REAR IRON SIGHT OR NV MOUNT
SPECIAL FEATURES
LENGTH: 4 INCHES; WIDTH: 1.8 INCHES; HEIGHT: 2.25 INCHES; WEIGHT: 8.8 OZ; WATERPROOF: SUBMERSIBLE TO 33 FT DEPTH; COLOR: BLACK; FINISH: HARD COAT FINISH; MOUNT: RAIL; RETURN TO ZERO: REPEATABLE TO 2 MOA AFTER RE-MOUNTING; NIGHT VISION BRIGHTNESS RANGE: 1,000:1 WITH NV SWITCH ENGAGED; POWER SOURCE: 2X N TYPE 1.5V ALKALINE BATTERIES; BATTERY LIFE: 200 CONTINUOUS HOURS V
OTHER ITEMS IN FSC 1240 — Optical Sighting and Ranging Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is 189198788?
189198788 is a SIGHT UNIT.
What parts can replace 189198788?
There is 1 known substitute for 189198788: 551.A65. Substitute compatibility should be verified for your specific system.
What is the NSN for 189198788?
189198788 is cataloged in the U.S. Government catalog under NSN 1240-01-580-9836. This indicates validated use in U.S. government and defense supply chains.
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