Product Details | OPTICAL ELEMENT RETAINER

5855-01-420-4417 A cylindrical, externally threaded item having a centrally located hole specifically designed to retain by means of either a raised box (shoulder), or counterbore, countersink, or a similar shaped recess, an optical element such as a lens, reticle, cell, and the like, in optical assemblies. It must have drilled holes or slots to facilitate assembly and disassembly. For items which house the optical element(s), and form the internal or central portions of an optical system, see CELL, OPTICAL ELEMENT. Excludes RING, EXTERNALLY THREADED.20312400038Optical Sighting and Ranging Equipment58550055Night Vision Equipment, Emitted and Reflected Radiation66500063Optical Instruments, Test Equipment, Components and Accessories

Part Alternates: A31869487, A3186948-7, 5855-01-420-4417, 01-420-4417, 5855014204417, 014204417

Communication, Detection, and Coherent Radiation Equipment | Night Vision Equipment, Emitted and Reflected Radiation

Supply Group (FSG) NSN Assign. NIIN
58 17 OCT 1995 01-420-4417

Drawings & Photos | NSN 5855-01-420-4417


Cross Reference | NSN 5855-01-420-4417

Part Number Cage Code Manufacturer
A3186948-7 80063 US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS

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Technical Data | NSN 5855-01-420-4417

Characteristic Specifications
STYLE DESIGNATOR F3 RECESSED
HOLE DIAMETER 0.451 INCHES NOMINAL
RECESS ANGLE IN DEG 79.0
THREAD SIZE 9/16-32
HOLE CHAMFER DIAMETER 0.511 INCHES NOMINAL
III END ITEM IDENTIFICATION AIMING LIGHT, INFRARED

Restrictions/Controls & Freight Information | NSN 5855-01-420-4417

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
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information