NSN 5855-01-420-4417

Part 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.

Alternate Parts: A31869487, A3186948-7, 5855-01-420-4417, 01-420-4417, 5855014204417, 014204417

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
58OCT 17, 199501-420-441722451 ( RETAINER, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES

RECESSED

Cross Reference | NSN 5855-01-420-4417
Part Number Cage Code Manufacturer
A3186948-780063US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS
Technical Data | NSN 5855-01-420-4417
Characteristic Specifications
STYLE DESIGNATOR RECESSED
HOLE DIAMETER0.451 INCHES NOMINAL
RECESS ANGLE IN DEG79.0
THREAD SIZE9/16-32
HOLE CHAMFER DIAMETER0.511 INCHES NOMINAL
END ITEM IDENTIFICATIONAIMING LIGHT, INFRARED