MS9555-12

MS955512 Machine Screw

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Datasheet. MS9555-12 specification

Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

3a

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

Thread Length
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.

0.568in. and 0.648in. ⁓21/32"

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.

0.865in. and 0.885in. ⁓57/64"

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

double hexagon w/ hole

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

0.220in. and 0.240in. ⁓1/4"

Width Between Flats

0.219in.

Extended Washer Diameter

0.302in. and 0.322in.

Extended Washer Thickness

0.030in.

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

0.164in. (UTS #8)

Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.

36

Minimum Tensile Strength
The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.

130000 pounds per square inch

Hardness Rating
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.

24.0 rockwell c and 35.0 rockwell c

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

iron alloy 660

Bearing Surface Of Head Surface Finish
Designates the specific surface roughness rating,representing the arithmetic average deviation of the bearing surface of head from the meanline in profile.

32.0 microinches

Shank Surface Finish
Designates the specific surface roughness rating,representing the arithmetic average deviation of the shank surface from the meanline in profile.

32.0 microinches

Thread Surface Finish
Designates the specific surface roughness rating,representing the arithmetic average deviation of the thread surface from the meanline in profile.

32.0 microinches

Special Features
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.

without internal drive

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.

unjf

Answers.

What quantity is this sold in?

1EA

What class is the thread series?

Unjf

What is the thread quantity per inch?

36

What is the head style?

Double hexagon w/ hole

What is the thread length?

0.568 inches minimum and 0.648 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for MS9555-12?

5305-00-174-8633

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 MS9555-12?

FSC 5305 ⁓ Screws

NSN 5305-00-174-8633 SCREW,MACHINE

unjf thread series without internal drive 36 thread quantity per inch double hexagon w/ hole head style 0.568" thread length right-hand 3a thread class

NIIN
001748633
NIIN Date
02/22/73
Schedule B
7318152000 
Name Code
06657
FIIG
A500D0
Item Weight
0.100lbs
Item Dimensions
--
QUP
Historical Price
$252.08 EA
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

  • - Department of The Navy 
  • - Department of The Air Force 
  • - Italy 

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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)
Metal hardware 
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

MS9555-12 / 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.