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Cross Reference

These part numbers have the same form, fit, and function as mill16991a
Item Number Cage
MILL16991A 81349


Other parts in this series
Series: MILL1699

Technical Definition

Lens, Ophthalmic, Sphere, also referenced with federal logistics item name code 04122 - A transparent optical element having equal spherical diopter curvatures used to correct hyperopic (farsightedness) or myopic (nearsightedness) conditions of the eye.

Q & A

Part number MILL16991A
What are the historical prices for part number MILL16991A?
No pre-dated pricing for this NSN could be found.
Does this part number MILL16991A have a shelf life?
No. There is no shelf life applicable for this part.
Does this part number MILL16991A 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 MILL16991A ITAR controlled?
No. This item is not ITAR Controlled.
What is the NSN for part number MILL16991A?
Who are the manufacturers of MILL16991A and NSN 6540-00-764-2256?
  • Military Specifications (CAGE 81349)


Description: Sphere Ophthalmic Lens
Part Number MILL16991A MILL16991A


AAGR Cross Sectional Shape
ABMZ Diameter
From 52.0 millimeters and 56.0 millimeters
ABNM Thickness
Any acceptable
AKEL Material And Location
Glass, soda-lime
AKQT Err Default
Err default
AKQT Special Packaging
Pr of identical lenses
AKQZ Base Curve Diopter
From 0.81 plus and 0.93 plus
AKRA Cross Curve Diopter
From 0.81 plus and 0.93 plus
AKZS Light Transmission
CWMT Sphere Curve Inside Diopter
Any acceptable
CWND Sphere Curve Outside Diopter
Any acceptable
STYL Style Designator
ZZZT Nondefinitive Spec/std Data
2 type and 1 style and e class and 52 size
ZZZX Departure From Cited Designator
As modified by size
National Stock Number (NSN): 6540-00-764-2256