T55

T55 Square Neck Bolt

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Datasheet. T55 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.

3.000in. ⁓3-1/64"

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.

5.500in. ⁓5-1/2"

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

button

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

1.562in.

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

0.375in. ⁓3/8"

Neck Length
A measurement of the longest dimension of the neck,in distinction from width.

0.469in.

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

0.750in. ⁓3/4"

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

16

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

9.0 rockwell c

Minimum Yield Strength
The stress at which a material exhibits a specified limiting deviation from the proportionality of stress or strain.

39000 pounds per square inch

Neck Width
A measurement taken at right angles to the length of the neck,in distinction from thickness.

0.750in.

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

steel comp 1018

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.

sae 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.

phosphate

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.

unf

Answers.

What class is the thread series?

Unf

What material is the square neck bolt made of ?

Steel comp 1018

What is the thread quantity per inch?

16

What is the head style?

Button

What is the thread length?

3.000 inches

What is the thread direction?

Right-hand

What is the thread class?

2a

What is the NSN for T55?

5306-00-496-2224

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 T55?

FSC 5306 ⁓ Bolts

NSN 5306-00-496-2224 BOLT,SQUARE NECK

unf thread series phosphate surface treated 16 thread quantity per inch button head style 3.000" thread length right-hand 2a thread class

NIIN
004962224
NIIN Date
01/01/60
Schedule B
7318152000 
Name Code
15939
FIIG
A003B0
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. 16T2628 Cage 81336
2. 20T5737 Cage 81336
3. T9R Cage 78550

Major End Users Countries and entities

  • - Greece 

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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)
50.0
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

T55 / Bolt,square neckWhat is the formal definition of this item?

A headed externally threaded fastener whose threaded portion is of one nominal diameter, with a square neck directly beneath the head.