5133-00-971-8565

Find complete technical information, availability, and procurement data for: 5133-00-971-8565
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Federal Supply Group

Hand Tools

Federal Supply Classification

5133 Countersinks: Hand and Machine, Counterbores and Drill Bits

National Stock Number

5133-00-971-8565

Item Name Code

05259

Assigment Date

01/01/1962 (64 years ago)

An end cutting tool having two or more cutting edges with flutes or grooves for the passage of cuttings, an integral or removable holder designed for adaption to the end of a machine spindle. The flutes or grooves are usually helical to give a positive rake at the cutting edges. It is designed to form a flat-bottomed enlargement of the mouth of a previously formed cylindrical hole. For items requiring a holder but the holder is not included, use cutter, counterbore.

2.000 inches nominal overall length, straight round shank style, 0.4062 inches nominal cutting diameter, interchangeable pilot cutting end style, 0.2500 inches nominal shank diameter

Product Characteristics

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

Shank Diameter: 0.2500 inches nominal
Shank Style: straight round
Overall Length: 2.000 inches nominal
Cutting End Style: interchangeable pilot
Nominal Cutting Diameter: 0.4062 inches
Pilot Hole Nominal Diameter: 0.1250 inches
Flute Quantity: 4
Features Provided: replaceable pilot
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
AT488-6	Machine Counterbore
AT488C-6	Machine Counterbore
AT488M6	Machine Counterbore

FAQs

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

What is the FSCG of the NSN 5133-00-971-8565?

The FSCG of the NSN 5133-00-971-8565 is 5133

Does the NSN 5133-00-971-8565 have a Schedule B code assigned?

Yes, the Schedule B code is 8205100000

Does NSN 5133-00-971-8565 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 5133-00-971-8565 contain precious materials?

Item does not contain precious metal.

Does NSN 5133-00-971-8565 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 5133-00-971-8565 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962