1240-00-989-5947

Find complete technical information, availability, and procurement data for: 1240-00-989-5947

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1240-00-989-5947
Federal Supply Group
Fire Control Equipment
Federal Supply Classification
1240 Optical Sighting and Ranging Equipment
National Stock Number
1240-00-989-5947
Item Name Code
10908
Assigment Date
01/01/1962 (64 years ago)

0.105 inches minimum and 0.125 inches maximum bevel depth, 4.225 inches minimum and 4.240 inches maximum length, 0.240 inches minimum and 0.250 inches maximum thickness, both polished surface, 3.225 inches minimum and 3.240 inches maximum width

Product Characteristics

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

Width
3.225 inches minimum and 3.240 inches maximum
Thickness
0.240 inches minimum and 0.250 inches maximum
Length
4.225 inches minimum and 4.240 inches maximum
Bevel Depth
0.105 inches minimum and 0.125 inches maximum
Polished Surface
both
Polished Periphery
not provided
Bevel Angle In Deg
42.000 minimum and 48.000 maximum
Material
glass optical location not otherwise specified
Material Document And Classification
mil-g-174, class 1, grade c, type 517-645 mil spec single material response location not otherwise specified
Fsc Application Data
periscope

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
1240009895947 Optical Instrument Window
8619922 Optical Instrument Window

FAQs

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

What is the FSCG of the NSN 1240-00-989-5947?
The FSCG of the NSN 1240-00-989-5947 is 1240
Does the NSN 1240-00-989-5947 have a Schedule B code assigned?
Yes, the Schedule B code is 9803200000
Does NSN 1240-00-989-5947 require demilitarization?
Usml or ccl military items - demil required. Destroy item and components to prevent restoration or repair to a usable condition. (note 5).
Does NSN 1240-00-989-5947 contain precious materials?
Precious metal content is unknown
Does NSN 1240-00-989-5947 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 1240-00-989-5947 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962

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