Y56169

View detailed technical data, stock status, and sourcing information for: Y56169
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Federal Supply Group

Instruments and Laboratory Equipment

Federal Supply Classification

6650 Components and Accessories Test Equipment Optical Instruments

National Stock Number

6650-00-532-1552

Item Name Code

21884

Assigment Date

01/01/1961 (65 years ago)

3.740 inches equivalent focal length, 1.6200 nominal refraction index, 0.413 inches nominal axial thickness, 3.610 inches back focal length, 2.440 inches nominal diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Diameter: 2.440 inches nominal
Axial Thickness: 0.413 inches nominal
Equivalent Focal Length: 3.740 inches
Back Focal Length: 3.610 inches
Refraction Index: 1.6200 nominal
Abbe Constant: 60.300
Single Lens Style: double convex
Individual Lens Style: double convex
Element Left Surface Radius: 4.559 inches
Element Right Surface Radius: -4.559 inches
Material: glass optical
Material Document And Classification: mil-g-174, class 1, grade c, type 620-603 mil spec single material response
Fsc Application Data: telescope,m76c,integrated with fire control equip

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
5321552	Optical Instrument Lens
Y56169	Optical Instrument Lens

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 6650-00-532-1552?

The FSCG of the NSN 6650-00-532-1552 is 6650

Does the NSN 6650-00-532-1552 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-532-1552 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 6650-00-532-1552 contain precious materials?

Precious metal content is unknown

Does NSN 6650-00-532-1552 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 6650-00-532-1552 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961