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Cross Reference

These part numbers have the same form, fit, and function as mill16991
Item Number Cage
MILL16991 81349


Other parts in this series

Technical Definition

Lens Blank, Ophthalmic, Compound, S, also referenced with federal logistics item name code 30302 - A transparent molded optical element having a spherical diopter base curve and a cylindrical diopter cross curve, an approximate size and shape, and has been ground and polished to a finished curvature on one surface only.

Q & A

Part number MILL16991
What are the historical prices for part number MILL16991?
No pre-dated pricing for this NSN could be found.
Does this part number MILL16991 have a shelf life?
No. There is no shelf life applicable for this part.
Does this part number MILL16991 require Demilitarization?
Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations. (note 9).
Is part number MILL16991 ITAR controlled?
No. This item is not ITAR Controlled.
What is the NSN for part number MILL16991?
Who are the manufacturers of MILL16991 and NSN 6540-00-104-5034?
  • Military Specifications (CAGE 81349)


Description: Ophthalmic Compound S Lens Blank
Part Number MILL16991 MILL16991


AAGR Cross Sectional Shape
Spherocylinder compound
ABGL Width
From 58.0 millimeters and 63.0 millimeters
ABMZ Diameter
From 58.0 millimeters and 63.0 millimeters
ABNM Thickness
Any acceptable
AKEL Material And Location
Glass, soda-lime single vision
AKQZ Base Curve Diopter
4.25 plus
AKRA Cross Curve Diopter
Any acceptable
AKZS Light Transmission
CWMT Sphere Curve Inside Diopter
Any acceptable
CWND Sphere Curve Outside Diopter
Any acceptable
CWNQ Cylinder Curve Inside Diopter
Any acceptable
CWPF Cylinder Curve Outside Diopter
1.00 plus maximum
CXCY Part Description
Lens blank ophthalmic compound semifinished glass+4.25 +1diopter
ECWT Exterior Container Weight
45.00 pounds
EXME Exterior Container Cubic Measure
1.100 cubic feet
EXQT Exterior Container Quantity
HGTH Height
From 58.0 millimeters and 63.0 millimeters
PKQT Intermediate Package Quantity
STYL Style Designator
Round-rectangular with rounded corners
SUCB Unit Of Issue Cube
0.0061 cubic feet
SUWT Unit Of Issue Weight
0.25 pounds
ZZZT Nondefinitive Spec/std Data
1 type and c class
ZZZX Departure From Cited Designator
As modified by dimensions
National Stock Number (NSN): 6540-00-104-5034