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Datasheet. B2990 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
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.
0.940in. stud thread ⁓61/64"
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
0.986in. nut thread
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
2.025in. ⁓2-1/32"
0.099in.
0.450in. and 0.497in.
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
13 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.
0.500in. nut thread ⁓1/2"
A designation that is used for the purpose of general identification of the thread.
0.500in. stud thread ⁓1/2"
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 4140
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
ams 6382 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 style designation indicating the configuration that most nearly corresponds to the appearance of the item.
recessed
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unc 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
Unc stud thread
Recessed
Steel comp 4140
20 nut thread
13 stud thread
0.986 inches nut thread
0.940 inches stud thread
Right-hand stud thread
Right-hand nut thread
3a stud thread
3a nut thread
FSC 5307 ⁓ Studs
NSN 5307-00-997-1932 STUD,RECESSED
unf nut thread thread series recessed cadmium surface treated 20 nut thread thread quantity per inch 2.025" overall length 0.986" nut thread thread length right-hand stud thread 3a stud thread thread class
- NIIN
- 009971932
- NIIN Date
- 04/08/67
- Schedule B
- Name Code
- 15945
- FIIG
- A051A0
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- Metal content unknown
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Major End Users Countries and entities
- - Republic of Korea
- - Greece
- - Turkey
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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)
- 50.0
- 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)
- Bolts or nuts (iron or steel),(less than 35 feet)
- NMFC (national motor freight code)
- 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
- UFC (universal freight code)
- 48950
Similar by Design Other studs with similar characteristics
Nothing similar to this part number was found in our inventory
B2990 / Stud,recessedWhat is the formal definition of this item?
A headless fastener not exceeding twelve inches (304.8 mm) in length, threaded externally on both ends with threads of the same nominal diameter. one end or both ends may have a point. the unthreaded section may have more than one diameter, none of which may be greater than the maximum major thread diameter. it may be thread relieved. excludes items with taper threads.
