SR25D

View detailed technical data, stock status, and sourcing information for: SR25D
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Federal Supply Group

Hand Tools

Federal Supply Classification

5133 Countersinks: Hand and Machine, Counterbores and Drill Bits

National Stock Number

5133-00-864-4955

Item Name Code

05237

Assigment Date

01/01/1962 (64 years ago)

2.940 inches nominal overall length, straight round shank style, 0.311 inches minimum and 0.312 inches maximum shank diameter, step drill cutting end style, 0.2810 inches and 0.3120 inches nominal cutting 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: 0.311 inches minimum and 0.312 inches maximum
Shank Style: straight round
Overall Length: 2.940 inches nominal
Cutting End Style: step drill
Nominal Cutting Diameter: 0.2810 inches and 0.3120 inches
Cutting Rotation Direction: right-hand
Small Fluted Section Length: 0.611 inches nominal
Flute Quantity: 2
Point Type: conventional
Hardness Rating: 58.0 rockwell c minimum and 64.0 rockwell c maximum
Point Angle: 118.0 degrees nominal
Special Features: 90 deg included angle countersink
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
SR25D	Twist Drill

FAQs

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

What is the FSCG of the NSN 5133-00-864-4955?

The FSCG of the NSN 5133-00-864-4955 is 5133

Does the NSN 5133-00-864-4955 have a Schedule B code assigned?

Yes, the Schedule B code is 8205100000

Does NSN 5133-00-864-4955 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 5133-00-864-4955 contain precious materials?

Item does not contain precious metal.

Does NSN 5133-00-864-4955 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 5133-00-864-4955 was assigned to the Federal Catalog?

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