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Datasheet. CA21351-4-6RS specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3a
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
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"
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.
1.237in. ⁓1-1/4"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
flat countersunk
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
0.435in.
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.
detent ring locking feature
The length of a straight line which passes through the center of the grip,and terminates at the circumference.
0.249in.
A measurement of the longest dimension of the point,in distinction from width.
0.100in.
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.
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
The style designation indicating the configuration that most nearly corresponds to the appearance of the point.
chamfer dog
The national stock number or the identification information of the end equipment for which the item is a part.
F-22 raptor
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"
A measurement of the longest dimension of the grip,in distinction from width.
0.431in. and 0.570in.
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
28
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
The included angle of the countersink.
99.0 degrees and 100.0 degrees
45.0 degrees
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
stud bolt
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.
The chemical compound or mechanical mixture properties of which the item is fabricated.
iron alloy 660
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
ams 5731 national std/spec 1st material response or ams 5737 national std/spec 2nd material response
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
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
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
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.
1EA
Unf
Iron alloy 660
28
0.431 inches minimum and 0.570 inches maximum
Flat countersunk
0.567 inches minimum and 0.706 inches maximum
Right-hand
3a
Schedule B number: 7318152000
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5305 ⁓ Screws
NSN 5305-01-488-3734 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 0.431" grip length flat countersunk head style 0.567" thread length right-hand 3a thread class
- NIIN
- 014883734
- NIIN Date
- 08/23/01
- Schedule B
- 7318152000
- Name Code
- 29294
- FIIG
- A003B0
- QUP
- 1
- Historical Price
- $141.15 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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CA21351-4-6RS / 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.
