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Datasheet. DBS-B2-1 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2a
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
The length of a straight line which passes through the center of the shoulder and terminates at the circumference.
0.125in. all shoulders
The length of the enlarged portion of the shank on the item,in distinction from width or diameter.
0.125in. all shoulders
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
0.1120in. (UTS #4)
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
40
The physical configuration of the unthreaded portion of a body adjacent to the head which is larger than the diameter of the shank.
round all shoulders
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
scr shoulder 4-40 416ss .125dia x .125
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 416
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
Answers.
Unc
Steel comp 416
40
Right-hand
2a
Schedule B number: 7318152000
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5305 ⁓ Screws
NSN 5305-01-627-9307 SCREW,SHOULDER
unc thread series scr shoulder 4-40 416ss .125dia x .125 40 thread quantity per inch right-hand 2a thread class
- NIIN
- 016279307
- NIIN Date
- 05/02/14
- Schedule B
- 7318152000
- Name Code
- 22846
- FIIG
- A003B0
- DEMIL / ITAR
- Uncontrolled item (Code )
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- --
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Major End Users Countries and entities
- - Denmark
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DBS-B2-1 / 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.
