SM-D-805012

View detailed technical data, stock status, and sourcing information for: SM-D-805012
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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

6650-01-202-0596

Item Name Code

21884

Assigment Date

02/27/1985 (41 years ago)

A single or multi-piece item(s), curved or flat, with frame(s), of transparent materiel. Designed for mounting in a vehicular body, door or the like, to allow visibility and to shield personnel from environmental effects such as rain, dust, wind, and the like. Also includes curved windows without frames forming part of a vehicular body. For ballistic windows, use inc 68191.

meniscus converging single lens style, 0.3269 inches minimum and 0.3369 inches maximum axial thickness, 2.498 inches minimum and 2.500 inches maximum diameter, 4.385 inches back focal length, 4.728 inches equivalent focal length

Product Characteristics

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

Diameter: 2.498 inches minimum and 2.500 inches maximum
Axial Thickness: 0.3269 inches minimum and 0.3369 inches maximum
Equivalent Focal Length: 4.728 inches
Back Focal Length: 4.385 inches
Single Lens Style: meniscus converging
Special Features: lens no. 6,biocular eyepiece; matl: optical glass (lafn2) per mil-g-174,grade a/b,stain 4,fine anneal,type 744-448 (802199-43); r1,1.955 radius of lens outside (left) surface; r2,4.0645 radius of lens inside (right) surface; 0.180 dist between base and inside axis; used in biocular assy on comm and gun disp
Material: glass optical
Material Document And Classification: mil-g-174,grade a mil spec 1st material response and mil-g-174,grade b mil spec 2nd material 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
SM-D-805012	Optical Instrument Lens

FAQs

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

What is the FSCG of the NSN 6650-01-202-0596?

The FSCG of the NSN 6650-01-202-0596 is 6650

Does the NSN 6650-01-202-0596 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-01-202-0596 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 6650-01-202-0596 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-01-202-0596 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 6650-01-202-0596 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Wed, Feb 27, 1985