2081 1/4

View detailed technical data, stock status, and sourcing information for: 2081 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

5133-00-061-6277

Item Name Code

05237

Assigment Date

01/01/1963 (63 years ago)

An end cutting tool having two or more cutting edges, and having helical flutes or grooves adjacent thereto for the admission of coolant and the ejection of cuttings or chips. It is used for drilling holes in various materials. Excludes:drill, masonry (as modified); and drill,twist, bone. See also drill, pivot, jeweler's and drill, hardened steel, carbide tipped.

straight round shank style, 4.000 inches nominal overall length, general purpose cutting end style, 0.2500 inches nominal cutting 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.

Shank Diameter: 0.250 inches nominal
Shank Style: straight round
Overall Length: 4.000 inches nominal
Cutting End Style: general purpose
Nominal Cutting Diameter: 0.2500 inches
Cutting Rotation Direction: left-hand
Flute Length: 2.750 inches nominal
Flute Quantity: 2
Point Type: conventional
Point Angle: 118.0 degrees nominal
Special Features: jobbers lg; fractional size 1/4
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
12045	Twist Drill
150L 1/4	Twist Drill
2006 1/4	Twist Drill
2081 1/4	Twist Drill
41-11031	Twist Drill
917-LH 1/4	Twist Drill
C01532	Twist Drill

FAQs

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

What is the FSCG of the NSN 5133-00-061-6277?

The FSCG of the NSN 5133-00-061-6277 is 5133

Does the NSN 5133-00-061-6277 have a Schedule B code assigned?

Yes, the Schedule B code is 8205100000

Does NSN 5133-00-061-6277 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 5133-00-061-6277 contain precious materials?

Item does not contain precious metal.

Does NSN 5133-00-061-6277 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 5133-00-061-6277 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963