NSN 1240-01-157-0763

Part Details | OPTICAL ELEMENT RETAINER

1240-01-157-0763 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: 8587415, 1240-01-157-0763, 01-157-0763, 1240011570763, 011570763

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12JUN 29, 198301-157-076322451 ( RETAINER, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES

RECESSED

Cross Reference | NSN 1240-01-157-0763
Part Number Cage Code Manufacturer
858741519200US ARMY ARDEC RDECOM
Technical Data | NSN 1240-01-157-0763
Characteristic Specifications
STYLE DESIGNATOR RECESSED
HOLE DIAMETER0.254 INCHES NOMINAL
OVERALL LENGTH0.830 INCHES MINIMUM AND 0.850 INCHES MAXIMUM
RECESS DIAMETER0.750 INCHES NOMINAL
RECESS DEPTH0.625 INCHES MINIMUM AND 0.630 INCHES MAXIMUM
THREAD SIZE0.906 IN.-32
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, CLASS 303, COND A FED SPEC SINGLE MATERIAL RESPONSE
MATERIAL STEEL COMP 303
DRIVE TYPE DRILLED HOLE
DIAMETER0.093 INCHES NOMINAL