1240-01-190-8566

Find complete technical information, availability, and procurement data for: 1240-01-190-8566
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Federal Supply Group

Fire Control Equipment

Federal Supply Classification

1240 Optical Sighting and Ranging Equipment

National Stock Number

1240-01-190-8566

Item Name Code

21859

Assigment Date

10/03/1984 (41 years ago)

2a and 2b thread class, 0.870 inches nominal overall length, 2.125-32 and 1.750-32 thread size, right-hand thread direction, 0.4375 inches thread length

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 and 2b
Thread Direction: right-hand
Thread Length: 0.4375 inches
Overall Length: 0.870 inches nominal
Thread Size: 2.125-32 and 1.750-32
Overall Diameter: 2.450 inches nominal
Cubic Measure: unable to decode
Screw Thread Series Designator: uns
Thread Location: external and internal
Eccentric Construction: not provided
Chamfer Location: opposite drive end
Chamfer Size: 0.21875 in. by 45.0 deg.
Special Features: material is type 303 or 303se,condtn a,per qq-s-764; surface roughness is 125.000 microinches
Material: steel corrosion resisting

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
8615905	Optical Element Cell

FAQs

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

What is the FSCG of the NSN 1240-01-190-8566?

The FSCG of the NSN 1240-01-190-8566 is 1240

Does the NSN 1240-01-190-8566 have a Schedule B code assigned?

Yes, the Schedule B code is 9803200000

Does NSN 1240-01-190-8566 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 1240-01-190-8566 contain precious materials?

Item does not contain precious metal.

Does NSN 1240-01-190-8566 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 1240-01-190-8566 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Wed, Oct 3, 1984