AT402L-4

View detailed technical data, stock status, and sourcing information for: AT402L-4
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Federal Supply Group

Hand Tools

Federal Supply Classification

5133 Countersinks: Hand and Machine, Counterbores and Drill Bits

National Stock Number

5133-01-064-7911

Item Name Code

05426

Assigment Date

08/31/1978 (47 years ago)

An item with a cylindrical shaped body having external threads other than pipe or hose series. It is desinged to mate into a preformed threaded component for the purpose of plugging a hole during equipment operation. It may have a head and/or internal drive and may contain a bleeder hole. See also plug, protective, dust and moisture seal and cap-plug, protective, dust and moisture seal. Excludes:plug, tube fitting, threaded.

0.250 inches nominal point diameter, 0.563 inches nominal shank diameter, straight round shank style, spiral flute blunt end cutting end style, 0.563 inches nominal body diameter

Product Characteristics

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

Point Diameter: 0.250 inches nominal
Shank Diameter: 0.563 inches nominal
Shank Style: straight round
Body Diameter: 0.563 inches nominal
Cutting End Style: spiral flute blunt end
Pilot Hole Nominal Diameter: 0.250 inches
Flute Quantity: 4
Included Angle: 100.0 degrees nominal

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
AT402L-4	Countersink Cutter
MM290-6L-100DEGREE	Countersink Cutter

FAQs

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

What is the FSCG of the NSN 5133-01-064-7911?

The FSCG of the NSN 5133-01-064-7911 is 5133

Does the NSN 5133-01-064-7911 have a Schedule B code assigned?

Yes, the Schedule B code is 8205100000

Does NSN 5133-01-064-7911 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 5133-01-064-7911 contain precious materials?

Item does not contain precious metal.

Does NSN 5133-01-064-7911 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 5133-01-064-7911 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Thu, Aug 31, 1978