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Datasheet. SM-B-447445-3 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
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
0.157in. and 0.188in. ⁓13/64"
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.
0.157in. and 0.188in. ⁓13/64"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
pan
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
0.205in. and 0.219in.
A measurement from the bottom to the top of the head,in distinction from depth.
0.070in. and 0.080in. ⁓3/32"
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.
cross recess type 1
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
0.112in. (UTS #4)
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
40
The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.
80000 pounds per square inch
The chemical compound or mechanical mixture properties of which the screw is fabricated.
steel comp 301 or steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 310 or steel comp 316 or steel comp 321 or steel comp 347 or steel comp 385
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the screw material.
QQ-S-763 fed spec all material responses or 66 fed std all material responses
The metallic,nonmetallic,and/or chemical properties with which the head is plated,dipped and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
paint
The metallic,nonmetallic,and/or chemical properties with which the shank 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 of the head.
MIL-F-14072 finish +213.3 code X-24087 mil spec single treatment response
The specification,standard,or manufacturers reference,and the classification designation,such as type class,grade,and the like,that identifies the surface treatment material of the shank.
QQ-P-35 fed spec 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.
unc
Answers.
Unc
40
Pan
0.157 inches minimum and 0.188 inches maximum
Right-hand
2a
Schedule B number: 7318152000
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5305 ⁓ Screws
NSN 5305-01-101-5578 SCREW,MACHINE
unc thread series 40 thread quantity per inch pan head style 0.157" thread length right-hand 2a thread class
- NIIN
- 011015578
- NIIN Date
- 10/03/80
- Schedule B
- 7318152000
- Name Code
- 06657
- FIIG
- A500D0
- 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
Other Part Numbers Parts with same form, fit, and function by other manufacturers
| 1. | 300-2250 | Cage A486G |
Major End Users Countries and entities
- - Finland
- - Portugal
- - Greece
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SM-B-447445-3 / Screw,machineWhat 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, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). no. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. a locking feature may be incorporated in the design of the head or threads. excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. see also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
