B106545

View detailed technical data, stock status, and sourcing information for: B106545
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-438-3640

Item Name Code

15933

Assigment Date

09/12/1969 (56 years ago)

An unmounted, transparent, color free lens which may be treated with a low reflection coating to increase light transmission. Includes single and compound elements. For items having two plane parallel surfaces, see window, optical instrument. Excludes:reticle, optical instrument.

3.830 inches nominal hole diameter, 5.438 inches minimum and 5.562 inches maximum outside diameter, 90.0 degrees nominal recess angle, 0.312 inches nominal material thickness, 4.142 inches nominal recess diameter

Product Characteristics

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

Hole Diameter: 3.830 inches nominal
Outside Diameter: 5.438 inches minimum and 5.562 inches maximum
Recess Diameter: 4.142 inches nominal
Material Thickness: 0.312 inches nominal
Recess Angle: 90.0 degrees nominal
Material: steel overall
Material Document And Classification: astm a-36 assn std single material response overall
Style Designator: recessed

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
B106545	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-00-438-3640?

The FSCG of the NSN 5310-00-438-3640 is 5310

Does the NSN 5310-00-438-3640 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-438-3640 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 5310-00-438-3640 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-438-3640 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 5310-00-438-3640 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, Sep 12, 1969