6650-01-082-3535

Find complete technical information, availability, and procurement data for: 6650-01-082-3535
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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

6650-01-082-3535

Item Name Code

22261

Assigment Date

09/01/1979 (46 years ago)

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.

2.838 inches maximum taper bore minor diameter, 0.535 inches nominal overall length, m901 end item identification, 3.158 inches maximum body outside diameter, 3.068 inches maximum taper bore major diameter

Product Characteristics

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

Overall Length: 0.535 inches nominal
Body Outside Diameter: 3.158 inches maximum
End Item Identification: m901
Taper Bore Major Diameter: 3.068 inches maximum
Taper Bore Minor Diameter: 2.838 inches maximum
Straight Body Portion Width: 0.324 inches nominal
Taper Angle: 12.1 degrees nominal
Body Minor Taper Diameter: 2.914 inches maximum
Body Taper: 30.0 degrees nominal
Special Features: spacer-no. 3,eyepiece; black; 4 slots 0.060 in. wide by 0.050 in. deep; establish length by measuring separation between reference sphere 9.403 in. radius from surface a and reference sphere 2.723 in. radius from surface b (0.010 in. distance between reference spheres)
Material: aluminum alloy 6061
Material Document And Classification: qq-a-225/8,t651 fed spec single material response
Surface Treatment: anodize
Surface Treatment Document And Classification: mil-a-8625,type 2,class 2 mil spec single treatment response

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
12266714	Optical Element Spacer
12266755	Optical Element Spacer

FAQs

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

What is the FSCG of the NSN 6650-01-082-3535?

The FSCG of the NSN 6650-01-082-3535 is 6650

Does the NSN 6650-01-082-3535 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-01-082-3535 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 6650-01-082-3535 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-01-082-3535 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 6650-01-082-3535 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Sat, Sep 1, 1979