5133-01-178-6312

Find complete technical information, availability, and procurement data for: 5133-01-178-6312
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Federal Supply Group

Hand Tools

Federal Supply Classification

5133 Countersinks: Hand and Machine, Counterbores and Drill Bits

National Stock Number

5133-01-178-6312

Item Name Code

05237

Assigment Date

05/08/1984 (42 years ago)

A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes:shaft(1), straight; and axle(1), straight.

straight round shank style, general purpose cutting end style, 0.2500 inches nominal cutting diameter, 0.156 inches nominal pilot diameter, 0.250 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.

Pilot Diameter: 0.156 inches nominal
Shank Diameter: 0.250 inches nominal
Shank Style: straight round
Cutting End Style: general purpose
Nominal Cutting Diameter: 0.2500 inches
Flute Length: 0.750 inches nominal
Flute Quantity: 3
Features Provided: integral 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
56760210250	Twist Drill
760210250-56	Twist Drill

FAQs

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

What is the FSCG of the NSN 5133-01-178-6312?

The FSCG of the NSN 5133-01-178-6312 is 5133

Does the NSN 5133-01-178-6312 have a Schedule B code assigned?

Yes, the Schedule B code is 8205100000

Does NSN 5133-01-178-6312 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 5133-01-178-6312 contain precious materials?

Item does not contain precious metal.

Does NSN 5133-01-178-6312 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 5133-01-178-6312 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Tue, May 8, 1984