SM-D-774497-1

View detailed technical data, stock status, and sourcing information for: SM-D-774497-1
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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

6650-01-040-9236

Item Name Code

21887

Assigment Date

05/18/1977 (49 years ago)

A narrow strip of webbing cut to a definite length, having one or both ends processed. It is usually designed for, and may have, one or more attachments or fasteners, such as buckle; loop, strap fastener; strap end clip; ring, dee; hook; and the like. Excludes:strap, berth, mattress retaining; strap, chin; safety straps; and webbing, textile. Do not use if a more specific item name applies.

0.250 inches nominal thickness, 0.200 inches nominal bevel depth, 2.938 inches nominal width, 3.880 inches nominal length, designed for use in an optical instrument usage design

Product Characteristics

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

Width: 2.938 inches nominal
Thickness: 0.250 inches nominal
Length: 3.880 inches nominal
Bevel Depth: 0.200 inches nominal
Usage Design: designed for use in an optical instrument
Reflective Backing Material: unable to decode and unable to decode
Beveled Edge Location And Quantity: 1 left edge parallel to width;1 right edge parallel to width
Bevel Angle In Deg: 45.000 nominal
Features Provided: mounting attachment
Criticality Code Justification: radc
Special Features: reflectance: ninety eight pct min in the 3.7 to 5.2 micron spectral band when used as a forty five deg mirror
Material: aluminum alloy 6061 and aluminum alloy 2024
Material Document And Classification: qq-a-250/4, t4 fed spec 2nd material response
Radioactive Content: contains radioactive material
Supplementary Features: overcoating: protective layer,silicon monoxide or equivalent
Fsc Application Data: night vision equipment,emitted and reflected radiation

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-774497	Optical Instrument Mirror
SM-D-774497-1	Optical Instrument Mirror

FAQs

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

What is the FSCG of the NSN 6650-01-040-9236?

The FSCG of the NSN 6650-01-040-9236 is 6650

Does the NSN 6650-01-040-9236 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-01-040-9236 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 6650-01-040-9236 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-01-040-9236 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 6650-01-040-9236 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Wed, May 18, 1977