12387271-79

1238727179 Machine Screw

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Datasheet. 12387271-79 specification

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

2a

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.

1.190in. and 1.250in. ⁓1-1/4"

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.

1.190in. and 1.250in. ⁓1-1/4"

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

hexagon

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

0.105in. and 0.120in. ⁓1/8"

Width Between Flats

0.305in. and 0.312in.

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

slot

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

0.190in. (UTS #10)

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

24

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.

60000 pounds per square inch

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

steel

Screw Material Document And Classification
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-637 fed spec single material response or 66 fed std single material response

Screw Surface Treatment
The metallic,nonmetallic,and/or chemical properties with which the screw is plated,dipped and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.

zinc and chromate

Screw 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 of the screw.

astm B633, ty 2 assn std single treatment response

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.

0.0003 inch thick finish

Color
A characteristic of light that can be specified in terms of luminance,dominant wavelength,and purity.

bronze or olive drab

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.

unc

Answers.

What class is the thread series?

Unc

What type of screw surface treatment?

Zinc and chromate

What is the thread quantity per inch?

24

What is the head style?

Hexagon

What is the thread length?

1.190 inches minimum and 1.250 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

2a

What is the NSN for 12387271-79?

5305-01-383-5979

How is this classified for shipping?

Schedule B number: 7318152000
nmfc 096630
Bolts and bolts and their nuts or washers exported in the same shipment

What's the federal classification of 12387271-79?

FSC 5305 ⁓ Screws

NSN 5305-01-383-5979 SCREW,MACHINE

unc thread series 0.0003 inch thick finish zinc screw surface treated 24 thread quantity per inch hexagon head style 1.190" thread length right-hand 2a thread class

NIIN
013835979
NIIN Date
11/26/93
Schedule B
7318152000 
Name Code
06657
FIIG
A500D0
Item Weight
0.100lbs
Item Dimensions
--
QUP
 
Historical Price
$3.30 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

Major End Users Countries and entities

  • - Department of The Army 
  • - Department of The Navy 
  • - U.s. Marine Corps 
  • - Australia 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
70.0 
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
Supplies and equipment for aircraft and aerial targets, including aircraft and maintenance parts, aircraft accessories, aircraft 
Commodity (for shipments via water)
Metal hardware 
NMFC (national motor freight code)
096630 SCREWS NOI BRASS/BRONZE/COPPER 
UFC (universal freight code)
50590 

Similar by Design Other screws with similar characteristics

Nothing similar to this part number was found in our inventory

12387271-79 / 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.