2-121-028-02

212102802 Plain Round Nut

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Datasheet. 2-121-028-02 specification

Thread Pitch Diameters
The minimum and maximum pitch diameter limits of a straight screw thread.

+3.2406/+3.2454in.

Thread Direction
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.

RIGHT-Hand

Drive Point Depth

0.070 mils and 0.080 centimeters

Nut Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.

round

Nut Diameter

3.785in. and 3.795in.

Nut Thickness
A measurement between the opposite flat surfaces of the nut,in distinction from length or width.

0.270in. and 0.290in.

Drive Point Width

0.370 mils and 0.390 centimeters

Drive Point Quantity

8

Countersink Angle
The included angle of the countersink.

90.0 degrees nut

Precious Material
Identification of the precious material contained in the item.

silver

Surface Treatment
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.

silver

Surface Treatment Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.

ams 2410 assn std single treatment response

Answers.

What is the thread direction?

Right-hand

What is the NSN for 2-121-028-02?

5310-00-042-5909

What's the federal classification of 2-121-028-02?

FSC 5310 ⁓ Nuts and washers

Note-nuts and washers, including specially designed, are to be classified in this fsc. a. nuts are a small metal block made in a variety of shapes such as square and hexagonal which is drilled and internally threaded. b. washers are a perforated piece of metal, leather, or other materials of various shapes or forms. they are used primarily as a seat for a bolt, nut, screw, rivet or nail to distribute pressure and prevent endwise motion over an area and/or to prevent movement between two parts by means of restraining features created by the shape of its edges.

Excluding bearing thrust washers (fsc 3120); shims (fsc 5365); ring spacers (fsc 5365); plate spacers (fsc 5365); lock rings (fsc 5365).

NSN 5310-00-042-5909 NUT,PLAIN,ROUND

silver surface treated right-hand

NIIN
000425909
NIIN Date
05/22/68
Schedule B
 
Name Code
15887
FIIG
A021A0
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Contains silver
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Major End Users Countries and entities

  • - Republic of Korea 

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2-121-028-02 / Nut,plain,roundWhat is the formal definition of this item?

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. for items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. see also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)