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National Stock Number:
1240-00-518-5479
Federal Supply Class:
1240
National Item Identification Number:
005185479
Description:
RETAINER,OPTICAL ELEMENT
Detail:
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.
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Manufacturer Information:
| 5185479 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.710 INCHES MINIMUM AND | | 0.720 INCHES MAXIMUM | | OVERALL LENGTH | 0.812 INCHES NOMINAL | | RECESS DIAMETER | 0.764 INCHES MINIMUM AND | | 0.769 INCHES MAXIMUM | | RECESS DEPTH | 0.531 INCHES NOMINAL | | THREAD SIZE | 0.807 IN.-48 NS-3 | | MATERIAL | ALUMINUM ALLOY 2024 | | MATERIAL DOCUMENT AND CLASSIFICATION | WW-T-785, COND T-CANCELED FED SPEC SINGLE MATERIAL RESPONSE | | SURFACE TREATMENT | ANODIZE | | DRIVE TYPE | SLOTTED | | HOLE OR SLOT QUANTITY | 2 | | WIDTH | 0.031 INCHES NOMINAL | | DEPTH | 0.031 INCHES NOMINAL | | DRIVE FACILITY ANGULAR SPACING IN DEG | 180.0 | | INTERNAL ANNULAR SERRATION | NOT PROVIDED | | GUIDE DESIGN | THREAD RELIEF | | GUIDE LOCATION | BOTH EDGES | | SETSCREW NOTCH | NOT PROVIDED | | FSC APPLICATION DATA | BINOCULAR,FIRE CONTROL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 19200 | | DESIGN CONTROL REFERENCE | 5185479 |
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