ST3M744-4-8

ST3M74448 Close Tolerance Bolt

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Datasheet. ST3M744-4-8 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.

0.296in. and 0.336in. ⁓11/32"

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.

0.806in. and 0.826in. ⁓53/64"

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

spline drive shear head

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

0.154in. and 0.174in. ⁓3/16"

Grip Diameter
The length of a straight line which passes through the center of the grip,and terminates at the circumference.

0.2490in. and 0.2495in.

Head Minor Diameter

0.448in. and 0.455in.

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

0.250in. ⁓1/4"

Grip Length
A measurement of the longest dimension of the grip,in distinction from width.

0.490in. and 0.510in.

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

28

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

steel comp XM-13

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 material.

ams 5629 assn std single material response

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.

passivate

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.

QQ-P-35 fed 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.

unjf

Answers.

What quantity is this sold in?

1EA

What class is the thread series?

Unjf

What material is the close tolerance bolt made of ?

Steel comp xm-13

What is the thread quantity per inch?

28

What is the grip length?

0.490 inches minimum and 0.510 inches maximum

What is the head style?

Spline drive shear head

What is the thread length?

0.296 inches minimum and 0.336 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for ST3M744-4-8?

5306-01-135-4145

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 ST3M744-4-8?

FSC 5306 ⁓ Bolts

NSN 5306-01-135-4145 BOLT,CLOSE TOLERANCE

unjf thread series passivate surface treated 28 thread quantity per inch 0.490" grip length spline drive shear head head style 0.296" thread length right-hand 3a thread class

NIIN
011354145
NIIN Date
07/22/82
Schedule B
7318152000 
Name Code
27851
FIIG
A003B0
Item Weight
0.100lbs
Item Dimensions
--
QUP
Historical Price
$39.93 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. VCG0001-4-8 Cage 06710
2. AIC687-4-8 Cage 06725
3. PBF1265-4-8 Cage 27624
4. 122895-4-8 Cage 80539
5. MB154-4-8 Cage 73197
6. VS3174-4-8 Cage 06950
7. S406-4-8 Cage 17446
8. MB154-4-8 Cage L4528
9. S406-4-8 Cage 97928
10. VS3174-4-8 Cage 92215

Major End Users Countries and entities

  • - Department of The Navy 

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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 bolts with similar characteristics

Nothing similar to this part number was found in our inventory

ST3M744-4-8 / Bolt,close toleranceWhat is the formal definition of this item?

An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. the nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. the head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. for items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. for items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.