1240-01-190-3389

Find complete technical information, availability, and procurement data for: 1240-01-190-3389
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Federal Supply Group

Fire Control Equipment

Federal Supply Classification

1240 Optical Sighting and Ranging Equipment

National Stock Number

1240-01-190-3389

Item Name Code

21859

Assigment Date

09/26/1984 (41 years ago)

0.112-40 and 1.6875-32 thread size, 1.3375 inches and 1.4700 inches thread length, right-hand thread direction, 3.000 inches nominal overall length, 2b and 2a 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: 2b and 2a
Thread Direction: right-hand
Thread Length: 1.3375 inches and 1.4700 inches
Overall Length: 3.000 inches nominal
Thread Size: 0.112-40 and 1.6875-32
Overall Diameter: 2.000 inches nominal
Cubic Measure: unable to decode
Screw Thread Series Designator: unc and uns
Thread Location: internal and external
Eccentric Construction: not provided
Special Features: material is 2024 or 6061,temper t3 thru t6,per ww-t-700/3,ww-t-700/6,orqq-a-200/3,qq-a-200/8,or qq-a-225/6,qq-a-225/8; surface roughness is 125.000microinches; surface treatment is dyedblack
Material: aluminum alloy

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
8615897	Optical Element Cell

FAQs

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

What is the FSCG of the NSN 1240-01-190-3389?

The FSCG of the NSN 1240-01-190-3389 is 1240

Does the NSN 1240-01-190-3389 have a Schedule B code assigned?

Yes, the Schedule B code is 9803200000

Does NSN 1240-01-190-3389 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 1240-01-190-3389 contain precious materials?

Item does not contain precious metal.

Does NSN 1240-01-190-3389 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 1240-01-190-3389 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Wed, Sep 26, 1984