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A tubular shaped item designed to maintain a predetermined distance between optical elements, such as lenses, reticles, and the like. The bore may be straight, tapered or counterbored, and may have annular serrations to converge or diverge light rays. The surfaces, which mate with the optics, are usually chamfered, concave, and/or have a specified finish designation in the range of 1 to 125 microinches arithmetical average (aa). See also spacer, sleeve and cell, optical element.
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Other ophthalmic instruments and appliances and parts and accessories
Ophthalmic instruments and appliances, n.E.S.
Medicinal equipment
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
PMICA - Item does not contain precious metal.
ADPE- Represents items with no adp components
CRITL- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
058110 - Optical goods or instruments noi
652 - Instruments, scientific
9 - Other or no special handling required (sh)
A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
D - 200.0
E - Engineer supplies, other than those listed under code b.
Z - No special type of cargo code applicable
Questions & Answers: |
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What are the historical prices recorded for this stock number? | |
Historical data shows pricing from $24.95 to $41.58.. | |
Does NSN 6650-00-622-4991 have a shelf life? | |
No. There is no shelf life applicable for this NSN. | |
What NATO entities are users of this NSN? | |
Department Of The Army, Austria, and Spain | |
What is the NIIN of NSN 6650-00-622-4991? | |
006224991 or 00-622-4991 | |
Does NSN 6650-00-622-4991 require demilitarization? | |
Yes - ITAR Controlled | |
What is the most recent solicitation for NSN 6650-00-622-4991? | |
No solicitations for this NSN. | |
When was this national stock number assigned to the federal catalog? | |
Jan 01, 1963 |