ASME B18.3.1M

ASMEB1831M Cap Socket Head Screw

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Datasheet. ASME B18.3.1M specification

Thread Direction
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

Fastener Length
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.

10.0 mm

Head Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.

flat chamfer

Head Diameter
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.

7.0 mm

Head Height
A measurement from the bottom to the top of the head,in distinction from depth.

4.0 mm

Internal Drive Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.

cross recess type 1

End Item Identification
The national stock number or the identification information of the end equipment for which the item is a part.

2350-01-305-0028; howitzer, medium, SELF-Propelled

Nominal Thread Diameter
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.

4.0 mm

Thread Pitch In Millimeters
A measurement of distance between corresponding points on two adjacent threads measured parallel to the thread axis,expressed in millimeters.

0.7

External Thread Tolerance Class
A numeric-alpha designator indicating established pitch and crest diameter tolerance positions and grades of an external thread.

4H6H

Part Name Assigned By Controlling Agency
The name assigned to the item by the government agency or commercial organization controlling the design of the item.

metric socket head cap screw

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

steel property class 12.9

Surface Treatment
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.

zinc

Surface Treatment Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.

asme/ansi B633, F3/ZN5. type ii assn std national spec single treatment response

Thread Series Designator
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

m

Answers.

What quantity is this sold in?

1EA

What class is the thread series?

M

What material is the cap socket head screw made of ?

Steel property class 12.9

What is the head style?

Flat chamfer

What is the thread direction?

Right-hand

What is the NSN for ASME B18.3.1M?

5305-01-526-0084

How is this classified for shipping?

Schedule B number: 7318152000
nmfc 093486
Bolts and bolts and their nuts or washers exported in the same shipment

What's the federal classification of ASME B18.3.1M?

FSC 5305 ⁓ Screws

NSN 5305-01-526-0084 SCREW,CAP,SOCKET HEAD

Used on 2350-01-305-0028; howitzer, medium, self-propelled. m thread series zinc surface treated metric socket head cap screw flat chamfer head style right-hand

NIIN
015260084
NIIN Date
12/03/04
Schedule B
7318152000 
Name Code
16282
FIIG
A003B0
Item Weight
0.300lbs
Item Dimensions
--
QUP
Historical Price
$13.10 EA
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

Other Part Numbers Parts with same form, fit, and function by other manufacturers

1. 1831BH040010N Cage 80204

Major End Users Countries and entities

  • - Department of The Army 

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Shipping Information

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)
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 screws with similar characteristics

Nothing similar to this part number was found in our inventory

ASME B18.3.1M / Screw,cap,socket headWhat is the formal definition of this item?

An externally threaded fastener whose threaded portion is of one nominal diameter. the head has an internal socket or multiple spline for use with an inserted driver. a locking feature may be incorporated in the design of the head or threads. excludes items with bevel (conical) heads. see bolt, internal wrenching. excludes screw, shoulder; and screw, machine.