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Datasheet. NAS1581F3R8P 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.
0.363in. ⁓3/8"
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.
0.848in. and 0.878in. ⁓57/64"
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.
0.305in.
The length of a straight line which passes through the center of the grip,and terminates at the circumference.
0.189 mils and 0.190 centimeters
The national stock number or the identification information of the end equipment for which the item is a part.
air reconnaissance
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
0.190in. (UTS #10)
A measurement of the longest dimension of the grip,in distinction from width.
0.500 in.
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
32
The included angle of the countersink.
99.0 degrees and 101.0 degrees
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
bolt, shear, 100 degree flush reduced head, offset cruciform, offset CRUCIFORM-Ribbed, 95 ksi fsu
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 4140 or steel comp 4340 or steel comp 8740
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
AMS56382 assn std single material response or AMS6415 assn std single material response or AMS6484 assn std single material response or AMS6322 assn std single 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.
cadmium
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-416, type ii, class 2 assn std single treatment response
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.
Unjf
Steel comp 4140 or steel comp 4340 or steel comp 8740
32
0.500 inches
Flat countersunk
0.363 inches
Right-hand
3a
Schedule B number: 7318152000
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5306 ⁓ Bolts
NSN 5306-01-576-4902 BOLT,SHEAR
Used on air reconnaissance. unjf thread series cadmium surface treated bolt, shear, 100 degree flush reduced head, offset cruciform, offset cruciform-ribbed, 95 ksi fsu 32 thread quantity per inch 0.500 " grip length flat countersunk head style 0.363" thread length right-hand 3a thread class
- NIIN
- 015764902
- NIIN Date
- 08/03/09
- Schedule B
- 7318152000
- Name Code
- 15903
- FIIG
- A003B0
- DEMIL / ITAR
- USML/ITAR controlled item (Code: Q)
- 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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NAS1581F3R8P / Bolt,shearWhat is the formal definition of this item?
A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. the head is designed to accommodate an external wrench or driver. the head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. the unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. the nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (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. a locking feature may be incorporated in the design of the head or threads. see bolt, machine and bolt, clevis.
