5133-01-371-7439

Find complete technical information, availability, and procurement data for: 5133-01-371-7439
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Federal Supply Group

Hand Tools

Federal Supply Classification

5133 Countersinks: Hand and Machine, Counterbores and Drill Bits

National Stock Number

5133-01-371-7439

Item Name Code

05260

Assigment Date

02/23/1993 (33 years ago)

An angular cutting tool, usually made with angular relief, having one or more flutes with specific size angle cutting edges. It is used for chamfering and countersinking holes. The tool may have a straight shank, tapered shank, bit stock shank or special shank requiring a special holder, for holding in a power- or hand-operated machine. It may be designed to be driven or turned by means of a wrench or carpenter's brace. For items requiring a holder but the holder is not included, use cutter, countersink.

0.197 inches nominal point diameter, 0.250 inches nominal thread diameter, externally threaded shank style, right-hand thread direction, 0.500 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.

Thread Direction: right-hand
Point Diameter: 0.197 inches nominal
Shank Style: externally threaded
Body Diameter: 0.500 inches nominal
Nominal Thread Diameter: 0.250 inches
Cutting End Style: straight flute blunt end
Flute Quantity: 3
Features Provided: integral pilot
Thread Quantity: 28 per inch
Included Angle: 100.0 degrees nominal
Special Features: high speed steel; pin size 3/16in.; 1/64in. oversize,b-fit hole; for hi-tigue or hi-lok 6htb1
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
166C011-197B5	Countersink

FAQs

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

What is the FSCG of the NSN 5133-01-371-7439?

The FSCG of the NSN 5133-01-371-7439 is 5133

Does the NSN 5133-01-371-7439 have a Schedule B code assigned?

Yes, the Schedule B code is 8205100000

Does NSN 5133-01-371-7439 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 5133-01-371-7439 contain precious materials?

Item does not contain precious metal.

Does NSN 5133-01-371-7439 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 5133-01-371-7439 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Tue, Feb 23, 1993