Material Hardness Tester NSN 6635-00-663-4576

Item Description

An instrument designed to measure the hardness of metals, plastics, rubber, and other solids, by methods based on resistance to penetration by an indenter of greater hardness than the material being tested.

NSN: 6635-00-663-4576

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Features and Characteristics

Carrying Case

Not provided

Accessory Components And Quantity

Anvil, flat, approximately 2.500 in. Diameter 1; anvil, raised spot 1; anvil, raised v, for small diameter work 1; anvil, v, for 0.250 in. To 5.000 in. Diameter stock 1; chuck, 0.062 in. Steel ball penetrator w/50 balls 1; cover, telescopic elevating screw 1; cover, vinyl plastic 1; penetrator, diamond c scale 1; weights, for applying 60 kg, 100 kg, 150 kg major loads 1 set; table, testing, 8 in. Diameter 1; test blocks for b scale 2; test blocks for c scale 2

Usage Design

External

Indicator Type

Circular dial

Installation Design

Bench

Test Type

Rockwell

Unpackaged Unit Weight

100.000 pounds

Vertical Capacity

12.000 inches

Horizontal Reach

5.500 inches

Indicator Reading Type

Multiple

Indicator Design

Conversion chart

Functional Classification

Aa-8.6

Functional Description

1ball-check determines hardness of relatively soft matl; sphere-conical diamond penetrator (brale) tests harder matl such as tool or spring steel; meas dp penetration of ball or brale check; readings refer to relationship table for ts of matl

Entry Date

70-08-15

Reference Data And Literature

Tm 55-405-10 and rockwell hardness tester book

Relationship To Similar Equipment

Our is regular model; ous superficial model 6635-00-509-5238 makes smaller indentations

Type/model Designation

Our

FSC

6635 Physical Properties Testing And Inspection

NIIN

006634576

NSN

6635006634576

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

12B

Cage Code:

31060

Status:

MSDS:

Part Number:

C12A

Cage Code:

12665

Status:

MSDS:

Part Number:

4-OUR

Cage Code:

82729

Status:

MSDS:

Part Number:

4OUR

Cage Code:

82729

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 9027803500
NAICS: 334519
SITC: 87446
Description: Physical analysis instruments and apparatus, except using optical radiations, nesoi
End Use (Code 21600):
Laboratory testing instruments

Q & A

Frequently asked questions for NSN 6635-00-663-4576

What are the manufacturers of nsn 6635006634576?

Does this nsn 6635006634576 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 6635006634576
An instrument designed to measure the hardness of metals, plastics, rubber, and other solids, by methods based on resistance to penetration by an indenter of greater hardness than the material being tested.

Does nsn 6635006634576 contain any precious metals?
No precious metal content.

Does nsn 6635006634576 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 6635006634576?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

18992

FIIG:

T264-B

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service