189658PC21

View detailed technical data, stock status, and sourcing information for: 189658PC21

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189658PC21
Federal Supply Group
Fire Control Equipment
Federal Supply Classification
1240 Optical Sighting and Ranging Equipment
National Stock Number
1240-00-025-0176
Item Name Code
13347
Assigment Date
01/01/1963 (63 years ago)

An item having two plane-parallel surfaces and used in the telescopic system of an optical instrument to modify the density or spectral intensity of light by absorption. Several filters having varied characteristics are usually mounted in such a manner that any selected filter may be moved in or out of the optical axis as light conditions warrant. Excludes:window, optical instrument.

color yellow special features, glass surface material, 26.0 millimeters nominal overall diameter, 1.75 millimeters nominal overall thickness, not variable density variability

Product Characteristics

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

Overall Diameter
26.0 millimeters nominal
Overall Thickness
1.75 millimeters nominal
Density Variability
not variable
Special Features
color yellow
Material
glass surface

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
156085PC20 Telescopic Instrume Light Filter
169983PC21 Telescopic Instrume Light Filter
189658PC21 Telescopic Instrume Light Filter
203034PC18 Telescopic Instrume Light Filter
G7944PC21 Telescopic Instrume Light Filter
G8110PC18 Telescopic Instrume Light Filter

FAQs

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

What is the FSCG of the NSN 1240-00-025-0176?
The FSCG of the NSN 1240-00-025-0176 is 1240
Does the NSN 1240-00-025-0176 have a Schedule B code assigned?
Yes, the Schedule B code is 9803200000
Does NSN 1240-00-025-0176 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 1240-00-025-0176 contain precious materials?
Item does not contain precious metal.
Does NSN 1240-00-025-0176 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 1240-00-025-0176 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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