LSTW7900-12-B-7

LSTW790012B7 Panel Screw Assembly

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Datasheet. LSTW7900-12-B-7 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

Thread Length
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.

0.250in. ⁓1/4"

Fastener Length
The dimension,measured along a line parallel to the longitudinal axis,from the largest bearing surface of the fastener head to the extreme opposite end,or as specifically designated for other type fasteners.

0.972in. ⁓63/64"

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

flat countersunk

Head Diameter
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.

0.400in.

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

TRI-Wing recess

Material Accommodated Thickness
The thickness of the material to be accommodated.

0.090in. and 0.125in.

Nominal Thread Diameter
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.

0.192in. (UTS #12)

Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.

32

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.

1300 pounds per square inch

Countersink Angle
The included angle of the countersink.

100.0 degrees

Lead Thread Quantity
The number of lead threads (helixes) that start at the end of the screw.

one

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

titanium alloy uns R56400

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.

unjf

Answers.

What class is the thread series?

Unjf

What material is the panel screw assembly made of ?

Titanium alloy uns r56400

What is the thread quantity per inch?

32

What is the head style?

Flat countersunk

What is the thread length?

0.250 inches

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for LSTW7900-12-B-7?

5305-01-587-3852

How is this classified for shipping?

Schedule B number: 8108908000
Other wrought titanium

What's the federal classification of LSTW7900-12-B-7?

FSC 5305 ⁓ Screws

NSN 5305-01-587-3852 SCREW ASSEMBLY,PANEL

unjf thread series 32 thread quantity per inch flat countersunk head style 0.250" thread length right-hand 3a thread class

NIIN
015873852
NIIN Date
08/04/10
Schedule B
8108908000 
Name Code
33044
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

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LSTW7900-12-B-7 / Screw assembly,panelWhat is the formal definition of this item?

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. attached to panel by threaded bushing or by flaring end of stand-off, or bushing. used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. may be spring loaded.