NAS338CA-13-5

NAS338CA135 Close Tolerance Screw

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Datasheet. NAS338CA-13-5 specification

Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

3a

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

Head Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.

flat countersunk

Internal Drive Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.

hexagon

Minimum Tensile Strength
The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.

160000 pounds per square inch

Hardness Rating
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.

36.0 rockwell c and 40.0 rockwell c

Countersink Angle
The included angle of the countersink.

99.0 degrees and 101.0 degrees

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

steel comp 4140 or steel comp E4340 or steel comp 6150

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.

cadmium and chromate

Thread Series Designator
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

unf

Answers.

What class is the thread series?

Unf

What material is the close tolerance screw made of ?

Steel comp 4140 or steel comp e4340 or steel comp 6150

What is the head style?

Flat countersunk

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for NAS338CA-13-5?

5305-01-413-3583

How is this classified for shipping?

Schedule B number: 7318152000
Bolts and bolts and their nuts or washers exported in the same shipment

What's the federal classification of NAS338CA-13-5?

FSC 5305 ⁓ Screws

NSN 5305-01-413-3583 SCREW,CLOSE TOLERANCE

unf thread series cadmium surface treated flat countersunk head style right-hand 3a thread class

NIIN
014133583
NIIN Date
05/11/95
Schedule B
7318152000 
Name Code
29294
FIIG
A003B0
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
No precious metals
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Major End Users Countries and entities

  • - Germany 

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NAS338CA-13-5 / Screw,close toleranceWhat is the formal definition of this item?

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. the nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. the head is designed to be held or driven with an inserted driver. it is not designed for rotation by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads.