170791-3

1707913 Externally Relieved Body Screw

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Datasheet. 170791-3 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.

2.380in. ⁓2-25/64"

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.

2.560in. ⁓2-9/16"

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

binding

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

1.500in.

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

0.750in. ⁓3/4"

First Diameter From Head

0.820in.

Distance From Largest Bearing Surface Of Head To End Of First Diameter

0.180in.

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

w/o internal drive

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

1.000in. ⁓1/64"

Features Provided
Those features,not otherwise specified,which may be required for proper functioning of the item.

dry film lubricant

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

12

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.

190000 pounds per square inch

Externally Relieved Body Diameter Quantity
The number of externally relieved diameters on the body,adjacent to the head.

1

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

steel comp 630

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 5643 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

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 externally relieved body screw made of ?

Steel comp 630

What is the thread quantity per inch?

12

What is the head style?

Binding

What is the thread length?

2.380 inches

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for 170791-3?

5305-01-283-3593

How is this classified for shipping?

Schedule B number: 7318152000
nmfc 096640
Bolts and bolts and their nuts or washers exported in the same shipment

What's the federal classification of 170791-3?

FSC 5305 ⁓ Screws

NSN 5305-01-283-3593 SCREW,EXTERNALLY RELIEVED BODY

unf thread series passivate surface treated 12 thread quantity per inch binding head style 2.380" thread length right-hand 3a thread class

NIIN
012833593
NIIN Date
08/03/88
Schedule B
7318152000 
Name Code
01852
FIIG
A003B0
Item Weight
0.000lbs
Item Dimensions
--
QUP
 
Historical Price
$492.35 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

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)
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
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)
096640 SCREWS, IRON OR STEEL 
UFC (universal freight code)
50600 

Similar by Design Other screws with similar characteristics

Nothing similar to this part number was found in our inventory

170791-3 / Screw,externally relieved bodyWhat is the formal definition of this item?

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). it is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and 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. see also bolt, externally relieved body and bolt, internal wrenching.