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Datasheet. 74A731427-2001 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3a nut thread
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3a stud thread
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
0.850in. nut thread ⁓55/64"
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
0.875in. stud thread ⁓7/8"
The length of a straight line which passes through the center of a shoulder,and terminates at the circumference.
2.600in.
The length of the enlarged portion/s/ located on the shank of the item.
0.310in.
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
4.450in. ⁓4-29/64"
1.160in.
The national stock number or the identification information of the end equipment for which the item is a part.
F-18 acft
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
12 stud thread
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
20 nut thread
A designation that is used for the purpose of general identification of the thread.
1.750in. stud thread ⁓1-3/4"
A designation that is used for the purpose of general identification of the thread.
0.500in. nut thread ⁓1/2"
0.610in.
1.500in.
0.812in.
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
STUD-Pod attach
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.
shoulder has four equally spaced 0.420 in. dia cupped out places arround shoulder. 0.141 in. dia hole thru nut end 0.219 in. from end. 1.024 in. dia hole in stud end along axis
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp XM-13
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
PH13-8-0 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.
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.
PS13001 assn std single treatment response
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
shouldered and stepped
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
un stud thread
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 nut thread
Answers.
Unf nut thread
Un stud thread
Shouldered and stepped
Steel comp xm-13
20 nut thread
12 stud thread
0.875 inches stud thread
0.850 inches nut thread
3a stud thread
3a nut thread
FSC 5307 ⁓ Studs
NSN 5307-01-584-6866 STUD,SHOULDERED AND STEPPED
Used on f-18 acft. unf nut thread thread series shouldered passivate surface treated shoulder has four equally spaced 0.420 in. dia cupped out places arround shoulder. 0.141 in. dia hole thru nut end 0.219 in. from end. 1.024 in. dia hole in stud end along axis stud-pod attach 20 nut thread thread quantity per inch 4.450" overall length 0.875" stud thread thread length 3a stud thread thread class
- NIIN
- 015846866
- NIIN Date
- 05/04/10
- Schedule B
- Name Code
- 15944
- FIIG
- A051A0
- 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
- - Australia
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74A731427-2001 / Stud,shouldered and steppedWhat is the formal definition of this item?
A headless fastener not exceeding 12 inches (304.8 mm) in length, threaded externally on both ends, on which the nominal diameter of one threaded section is greater than the other. all or part of the unthreaded section is greater than the maximum major diameter of the largest threaded section. it may be thread relieved. excludes items with tapered threads. see also stud, locked in.
