ST2520-09

ST252009 Externally Relieved Body Bolt

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Datasheet. ST2520-09 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.

0.820in. and 0.923in. ⁓15/16"

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.

0.928in. and 0.948in. ⁓61/64"

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.

0.373in. and 0.393in. ⁓13/32"

Width Between Flats

0.4375in.

Extended Washer Diameter

0.552in. and 0.572in.

Extended Washer Thickness

0.090in.

First Diameter From Head

0.343in. and 0.353in.

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

0.025in. and 0.108in.

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

0.375in. ⁓3/8"

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

24

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

1

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.

surface on grip and bearing surface of head 32 micrinches; threads and washer face coated pwa 550-3 agec 77445

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

titanium alloy uns R56400

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 7461 assn std single material 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 class is the thread series?

Unjf

What material is the externally relieved body bolt made of ?

Titanium alloy uns r56400

What is the thread quantity per inch?

24

What is the head style?

Double hexagon w/hole

What is the thread length?

0.820 inches minimum and 0.923 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for ST2520-09?

5306-01-315-4889

How is this classified for shipping?

Schedule B number: 8109900000
nmfc 136500
Zirconium and articles thereof nesoi

What's the federal classification of ST2520-09?

FSC 5306 ⁓ Bolts

NSN 5306-01-315-4889 BOLT,EXTERNALLY RELIEVED BODY

unjf thread series surface on grip 24 thread quantity per inch double hexagon w/hole head style 0.820" thread length right-hand 3a thread class

NIIN
013154889
NIIN Date
02/16/90
Schedule B
8109900000 
Name Code
06675
FIIG
A003B0
Item Weight
0.100lbs
Item Dimensions
--
QUP
 
Historical Price
$66.23 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 Air Force 
  • - Department of The Navy 
  • - Poland 
  • - Singapore 
  • - Republic of Korea 
  • - Denmark 
  • - 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)
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)
136500 METAL NOI/METAL ALLOYS NOI 
UFC (universal freight code)
68455 

Similar by Design Other bolts with similar characteristics

Nothing similar to this part number was found in our inventory

ST2520-09 / Bolt,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 undercuts for thread relief). it is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. excludes bolt, internal wrenching and thumbscrew. see also screw, externally relieved body.