AT447D-4 1/4

View detailed technical data, stock status, and sourcing information for: AT447D-4 1/4
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Federal Supply Group

Hand Tools

Federal Supply Classification

5133 Countersinks: Hand and Machine, Counterbores and Drill Bits

National Stock Number

5133-01-066-9074

Item Name Code

05260

Assigment Date

10/21/1978 (47 years ago)

1.750 inches nominal overall length, 0.250 inches nominal point diameter, 0.250 inches nominal shank diameter, straight round shank style, 0.438 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: 0.250 inches nominal
Shank Style: straight round
Overall Length: 1.750 inches nominal
Body Diameter: 0.438 inches nominal
Cutting End Style: straight flute blunt end
Cutting Rotation Direction: right-hand
Flute Quantity: 2
Included Angle: 100.0 degrees nominal
Material: steel overall

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
AT447D-4 1/4	Countersink
ATI447D-4-1/4	Countersink

FAQs

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

What is the FSCG of the NSN 5133-01-066-9074?

The FSCG of the NSN 5133-01-066-9074 is 5133

Does the NSN 5133-01-066-9074 have a Schedule B code assigned?

Yes, the Schedule B code is 8205100000

Does NSN 5133-01-066-9074 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 5133-01-066-9074 contain precious materials?

Item does not contain precious metal.

Does NSN 5133-01-066-9074 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 5133-01-066-9074 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Sat, Oct 21, 1978