42473-1

View detailed technical data, stock status, and sourcing information for: 42473-1
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Federal Supply Group

Fire Control Equipment

Federal Supply Classification

1240 Optical Sighting and Ranging Equipment

National Stock Number

1240-01-077-2885

Item Name Code

22585

Assigment Date

05/20/1979 (47 years ago)

right-hand thread direction, 3.740 inches minimum and 3.760 inches maximum outside diameter, 0.125 inches thread length, 2a thread class, +3.7235 to 3.7283 inches thread pitch diameters

Product Characteristics

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

Thread Class: 2a
Thread Pitch Diameters: +3.7235 to 3.7283 inches
Thread Direction: right-hand
Thread Length: 0.125 inches
Outside Diameter: 3.740 inches minimum and 3.760 inches maximum
Thread Size: 3/8-32
Aperture Diameter: 3.383 inches minimum and 3.393 inches maximum
Screw Thread Series Designator: uns
Mounting Configuration: 0.081 in.dia.12 holes equally spaced
Thread Location: external
Internal Flange Thickness: 0.362 inches nominal
Material: aluminum alloy 7075
Material Document And Classification: qq-a-250/12, t651 fed spec single 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
11780079	Optical Element Retaining Ring
42473-1	Optical Element Retaining Ring

FAQs

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

What is the FSCG of the NSN 1240-01-077-2885?

The FSCG of the NSN 1240-01-077-2885 is 1240

Does the NSN 1240-01-077-2885 have a Schedule B code assigned?

Yes, the Schedule B code is 9803200000

Does NSN 1240-01-077-2885 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 1240-01-077-2885 contain precious materials?

Item does not contain precious metal.

Does NSN 1240-01-077-2885 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 1240-01-077-2885 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Sun, May 20, 1979