Product Details | OPTICAL INSTRUMENT CELL ASSEMBLY

1270-00-250-5181 An item consisting of a CELL, OPTICAL ELEMENT in which is secured one or more optical elements, such as lenses, reticles, filters, windows, and the like. May include retaining rings, spacers, and/or separators. For items with focusing facilities and/or a diopter scale, see EYEPIECE ASSEMBLY, OPTICAL INSTRUMENT.20412400038Optical Sighting and Ranging Equipment12700040Aircraft Gunnery Fire Control Components58550055Night Vision Equipment, Emitted and Reflected Radiation66500063Optical Instruments, Test Equipment, Components and Accessories

Part Alternates: 8431180, 8431-180, 1270-00-250-5181, 00-250-5181, 1270002505181, 002505181

Fire Control Equipment | Aircraft Gunnery Fire Control Components

Supply Group (FSG) NSN Assign. NIIN
12 00-250-5181

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Technical Data | NSN 1270-00-250-5181

Characteristic Specifications
MATERIAL ALUMINUM ALLOY
THREAD LOCATION EXTERNAL AND INTERNAL
THREAD SIZE 1 1/4-32 AND 1 1/16-32
SCREW THREAD SERIES DESIGNATOR UNS AND UNS
THREAD CLASS 2A AND 2B
THREAD PITCH DIAMETERS 1.2285 TO 1.2324 INCHES AND 1.0422 TO 1.0471 INCHES
THREAD LENGTH 0.281 INCHES AND 0.137 INCHES
THREAD DIRECTION RIGHT-HAND AND RIGHT-HAND
ECCENTRIC CONSTRUCTION NOT PROVIDED
CELL IDENTIFYING NUMBER 8431-180 PART NO.
OPTICAL ELEMENT QUANTITY 1
OPTICAL ELEMENT TYPE SINGLE LENS
OPTICAL ELEMENT IDENTIFYING NUMBER 8431-179 PART NO.
ACCESSORY COMPONENTS AND QUANTITY PIN 2
OVERALL LENGTH 1.000 INCHES NOMINAL
OVERALL DIAMETER 1.248 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 1270-00-250-5181

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Category Code Description
No Freight Information