RCADC28-312

View detailed technical data, stock status, and sourcing information for: RCADC28-312
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Federal Supply Group

Hand Tools

Federal Supply Classification

5133 Countersinks: Hand and Machine, Counterbores and Drill Bits

National Stock Number

5133-00-177-7268

Item Name Code

05260

Assigment Date

12/16/1970 (55 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.

0.440 inches nominal point diameter, 0.311 inches minimum and 0.312 inches maximum pilot diameter, 0.448 inches nominal shank diameter, straight round shank style, 5.620 inches nominal overall length

Product Characteristics

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

Point Diameter: 0.440 inches nominal
Pilot Diameter: 0.311 inches minimum and 0.312 inches maximum
Shank Diameter: 0.448 inches nominal
Shank Style: straight round
Overall Length: 5.620 inches nominal
Body Diameter: 0.443 inches minimum and 0.453 inches maximum
Cutting End Style: straight flute blunt end
Cutting Rotation Direction: right-hand
Flute Quantity: 2
Features Provided: integral pilot
Hardness Rating: 40.0 rockwell c minimum and 53.0 rockwell c maximum
Included Angle: 90.0 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
RCADC28-312	Countersink

FAQs

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

What is the FSCG of the NSN 5133-00-177-7268?

The FSCG of the NSN 5133-00-177-7268 is 5133

Does the NSN 5133-00-177-7268 have a Schedule B code assigned?

Yes, the Schedule B code is 8205100000

Does NSN 5133-00-177-7268 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 5133-00-177-7268 contain precious materials?

Item does not contain precious metal.

Does NSN 5133-00-177-7268 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 5133-00-177-7268 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Dec 16, 1970