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Datasheet. 45451501050 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.
0.087in. and 0.089in. ⁓3/32"
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.
0.305in. and 0.310in. ⁓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.
0.215in. and 0.220in.
A measurement from the bottom to the top of the head,in distinction from depth.
0.073in. and 0.078in. ⁓5/64"
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.
0.086in. (UTS #2)
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
64
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
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.
171, finish no. 5.4.1 mil 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.
unf
Answers.
Unf
64
Flat chamfer
0.087 inches minimum and 0.089 inches maximum
2a
FSC 5305 ⁓ Screws
NSN 5305-01-016-0704 SCREW,SHOULDER
unf thread series passivate surface treated 64 thread quantity per inch flat chamfer head style 0.087" thread length 2a thread class
- NIIN
- 010160704
- NIIN Date
- 02/04/76
- 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
- Metal content unknown
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Major End Users Countries and entities
- - New Zealand
- - Germany
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45451501050 / 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.
