LL51957-15

LL5195715 Cap Socket Head Screw
Home » Catalog » Fasteners (p. 6130) » Cap Socket Head Screws (p. 1) » Part Number LL51957-15

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Datasheet. LL51957-15 specification

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

2a

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.

0.294in. and 0.375in. ⁓3/8"

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.

0.344in. and 0.375in. ⁓3/8"

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

pan

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

0.205in. and 0.219in.

Head Height
A measurement from the bottom to the top of the head,in distinction from depth.

0.070in. and 0.080in. ⁓3/32"

Locking Feature
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.

strip threads

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

cross recess type 1

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

0.112in. (UTS #4)

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

40

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.

80000 pounds per square inch

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

steel corrosion resisting or steel

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

QQ-S-763, 300 series fed spec 1st material response or 66, 300 series fed std 1st material response or comp 16-18 or 18-8 assn std 2nd material response

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.

passivate

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.

QQ-P-35 fed spec single treatment response

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.

unc

Answers.

What class is the thread series?

Unc

What material is the cap socket head screw made of ?

Steel corrosion resisting or steel

What is the thread quantity per inch?

40

What is the head style?

Pan

What is the thread length?

0.294 inches minimum and 0.375 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

2a

What is the NSN for LL51957-15?

5305-00-498-7089

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 LL51957-15?

FSC 5305 ⁓ Screws

NSN 5305-00-498-7089 SCREW,CAP,SOCKET HEAD

unc thread series passivate surface treated 40 thread quantity per inch pan head style 0.294" thread length right-hand 2a thread class

NIIN
004987089
NIIN Date
10/22/69
Schedule B
7318152000 
Name Code
16282
FIIG
A003B0
QUP
 
Historical Price
$0.38 EA
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

  • - Greece 

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Nothing similar to this part number was found in our inventory

LL51957-15 / Screw,cap,socket headWhat is the formal definition of this item?

An externally threaded fastener whose threaded portion is of one nominal diameter. the head has an internal socket or multiple spline for use with an inserted driver. a locking feature may be incorporated in the design of the head or threads. excludes items with bevel (conical) heads. see bolt, internal wrenching. excludes screw, shoulder; and screw, machine.