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Datasheet. 21515 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2a
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
0.097in. and 0.103in. ⁓7/64"
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.
0.302in. and 0.308in. ⁓5/16"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
flat chamfer
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
0.247in. and 0.253in.
A measurement from the bottom to the top of the head,in distinction from depth.
0.059in. and 0.061in. ⁓1/16"
The length of the enlarged portion of the shank on the item,in distinction from width or diameter.
0.138in. first shoulder and 0.146in. first shoulder
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.
slot
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
0.099in. (UTS #3)
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
56
The physical configuration of the unthreaded portion of a body adjacent to the head which is larger than the diameter of the shank.
round first shoulder
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.
thd relieved groove, 1/32 in. radius, undercut to 0.075 in. dia
Test conditions and ratings,or environmental and performance requirements that are different,more critical,or more specific than those specified in a governing test data document.
nnone
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.
Unf
56
Flat chamfer
0.097 inches minimum and 0.103 inches maximum
2a
FSC 5305 ⁓ Screws
NSN 5305-00-135-0974 SCREW,SHOULDER
unf thread series thd relieved groove, 1/32 in. radius, undercut to 0.075 in. dia 56 thread quantity per inch flat chamfer head style 0.097" thread length 2a thread class
- NIIN
- 001350974
- NIIN Date
- 01/13/69
- Schedule B
- Name Code
- 22846
- FIIG
- A003B0
- Item Weight
- 0.000lbs
- Item Dimensions
- --
- 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
- - Spain
- - Singapore
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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
21515 / Screw,shoulderWhat is the formal definition of this item?
An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. it has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. the head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. no. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. a locking feature may be incorporated in the design of the head or threads. for items which are both shouldered and have an externally relieved body, use screw, externally relieved body. for items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. excludes bolt, internal wrenching and screw, cap, socket head.
