CA21351-4-14RS

CA21351414RS Close Tolerance Screw

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Datasheet. CA21351-4-14RS 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.

0.567in. and 0.706in. ⁓23/32"

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.

1.797in. ⁓1-51/64"

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.

0.435in.

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

detent ring locking feature

Grip Diameter
The length of a straight line which passes through the center of the grip,and terminates at the circumference.

0.249in.

Point Length
A measurement of the longest dimension of the point,in distinction from width.

0.100in.

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

0.211in. and 0.216in.

Single Shear Strength
The minimum load,applied perpendicularly to the longitudinal axis of an item,at which point the item will fracture when subjected to the standard single shear test method.

4140 pounds per square inch

Point Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the point.

chamfer dog

End Item Identification
The national stock number or the identification information of the end equipment for which the item is a part.

F-22 raptor

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

0.250in. ⁓1/4"

Grip Length
A measurement of the longest dimension of the grip,in distinction from width.

0.991in. and 1.130in.

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

28

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.

2845 pounds per square inch

Countersink Angle
The included angle of the countersink.

99.0 degrees and 100.0 degrees

Point Chamfer Angle

45.0 degrees

Part Name Assigned By Controlling Agency
The name assigned to the item by the government agency or commercial organization controlling the design of the item.

stud bolt

Special Features
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.

drive style is: RADIAL-Slot recess/ fairchild aerospace, not listed this fiig. bored hole, threaded end, 0.130 in dia, 0.620 in dp; wire form HOLD-Out spring inserted; 2 lead thread.

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

iron alloy 660

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.

MS5731 national std/spec single material response or AMS5737 national std/spec 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.

ams QQ-P-35 national std/spec all treatment responses

Supplementary Features
Characteristics or qualities of an item,not covered in any other requirement,which are considered essential information for one or more functions excluding nsn assignment.

stud bolts shall have polyproplene head protective ring installed for shipping, customer to remove ring before installing

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 quantity is this sold in?

1EA

What class is the thread series?

Unf

What material is the close tolerance screw made of ?

Iron alloy 660

What is the thread quantity per inch?

28

What is the grip length?

0.991 inches minimum and 1.130 inches maximum

What is the head style?

Flat countersunk

What is the thread length?

0.567 inches minimum and 0.706 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for CA21351-4-14RS?

5305-01-537-1847

How is this classified for shipping?

Schedule B number: 7318159000
Threaded fasteners nesoi of iron or steel

What's the federal classification of CA21351-4-14RS?

FSC 5305 ⁓ Screws

NSN 5305-01-537-1847 SCREW,CLOSE TOLERANCE

Used on f-22 raptor. unf thread series passivate surface treated drive style is: radial-slot recess/ fairchild aerospace, not listed this fiig. bored hole, threaded end, 0.130 in dia, 0.620 in dp; wire form hold-out spring inserted; 2 lead thread. stud bolt 28 thread quantity per inch 0.991" grip length flat countersunk head style 0.567" thread length right-hand 3a thread class

NIIN
015371847
NIIN Date
01/27/06
Schedule B
7318159000 
Name Code
29294
FIIG
A003B0
QUP
Historical Price
$94.50 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

  • - Department of The Air Force 

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CA21351-4-14RS / 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.