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Datasheet. AN157121 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2a stud thread
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3a nut thread
The minimum and maximum pitch diameter limits of a straight screw thread.
+0.2840/+0.2855in. stud thread
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 nut thread
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 stud thread
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
0.625in. stud thread and 0.736in. stud thread ⁓3/4"
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
0.438in. nut thread and 0.509in. nut thread ⁓33/64"
The length of a straight line which passes through the center of the body of the shank and terminates at the circumference.
0.221in. and 0.231in.
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
1.178in. and 1.198in. ⁓1-13/64"
The distance,measured along a straight line parallel to the longitudinal axis,from the center of the cotter pin hole to the nut end of the item.
0.100in. first hole and 0.120in. first hole
The length of a straight line which passes through the center of the cotter pin hole,and terminates at the circumference.
0.065in. first hole and 0.072in. first hole
The national stock number or the identification information of the end equipment for which the item is a part.
spec item
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
18 stud thread
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
28 nut thread
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
26.0 rockwell c and 32.0 rockwell c
A designation that is used for the purpose of general identification of the thread.
0.250in. nut thread ⁓1/4"
A designation that is used for the purpose of general identification of the thread.
0.312in. stud thread ⁓5/16"
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.
32.0 microinches nut thd
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.
32.0 microinches stud thd
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.
63.0 microinches shank
The chemical compound or mechanical mixture properties of which the item is fabricated.
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.
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.
AMS2400 assn std single treatment response
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
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.
unf nut 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.
uns stud thread
Answers.
Uns stud thread
Unf nut thread
Stepped
Steel comp 8740
28 nut thread
18 stud thread
0.438 inches minimum nut thread and 0.509 inches maximum nut thread
0.625 inches minimum stud thread and 0.736 inches maximum stud thread
Right-hand stud thread
Right-hand nut thread
3a nut thread
2a stud thread
FSC 5307 ⁓ Studs
NSN 5307-01-257-0783 STUD,STEPPED
Used on spec item. uns stud thread thread series stepped cadmium surface treated 28 nut thread thread quantity per inch 1.178" overall length 0.438" nut thread thread length right-hand stud thread 3a nut thread thread class
- NIIN
- 012570783
- NIIN Date
- 06/11/87
- Schedule B
- Name Code
- 15949
- FIIG
- A051A0
- QUP
- Historical Price
- $71.28 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 Navy
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- Special Handling
- Other or no special handling required (sh)
- LTL (less than a truck load rating)
- Rating variable
- LCL (less than a car load rating)
- Unknown
- Special Cargo
- No special type of cargo code applicable
- Air Freight (Minimum cargo door size required)
- Shipment is not a consolidation and does not exceed 84 inches in any dimension.
- Customs Requirement Classification
- Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
- Commodity (for shipments via water)
- Metal hardware
- NMFC (national motor freight code)
- 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
- UFC (universal freight code)
- 48950
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Nothing similar to this part number was found in our inventory
AN157121 / Stud,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. the entire unthreaded portion must be of a single diameter equal to or smaller than the maximum major diameter of the larger threaded end. includes radial grooves or thread reliefs. excludes items with tapered threads.
