279539PC3
View detailed technical data, stock status, and sourcing information for: 279539PC3
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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.
1.605 inches nominal overall length, 0.260 inches thread length, +1.7162 to 1.7297 inches thread pitch diameters, right-hand thread direction, 3b thread class
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 3b
- Thread Pitch Diameters
- +1.7162 to 1.7297 inches
- Thread Direction
- right-hand
- Thread Length
- 0.260 inches
- Overall Length
- 1.605 inches nominal
- Thread Size
- 1 3/4-32
- Overall Diameter
- 3.000 inches nominal
- End Item Identification
- telescope mk74
- Screw Thread Series Designator
- uns
- Thread Location
- internal
- Eccentric Construction
- not provided
- Chamfer Location
- larger diameter end
- Material
- copper alloy
- Surface Treatment
- nickel and enamel
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 |
|---|---|
| 279539PC3 | Optical Element Cell |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 1240-00-382-1333?
Does the NSN 1240-00-382-1333 have a Schedule B code assigned?
Does NSN 1240-00-382-1333 require demilitarization?
Does NSN 1240-00-382-1333 contain precious materials?
Does NSN 1240-00-382-1333 contain hazardous materials?
When the NSN 1240-00-382-1333 was assigned to the Federal Catalog?
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