K261031

K261031 Self-locking Stud

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Datasheet. K261031 specification

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

3a nut thread

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 nut thread

Thread Length
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.

0.485in. nut thread and 0.515in. nut thread ⁓33/64"

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

0.461in. and 0.471in.

Head Length
A measurement of the longest dimension of a head,in distinction from width.

0.182in. and 0.192in.

Locking Feature
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.

SELF-Clinching head

Head Minor Diameter

0.422in. and 0.432in.

Overall Length
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.

0.985in. and 1.015in. ⁓1-1/64"

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

28 nut thread

Nominal Thread Size
A designation that is used for the purpose of general identification of the thread.

0.250in. nut thread ⁓1/4"

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

steel comp 4130

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.

cadmium and chromate

Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

SELF-Locking

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 nut thread

Answers.

What class is the thread series?

Unf nut thread

What is the style?

Self-locking

What material is the self-locking stud made of ?

Steel comp 4130

What is the thread quantity per inch?

28 nut thread

What is the thread length?

0.485 inches minimum nut thread and 0.515 inches maximum nut thread

What is the thread direction?

Right-hand nut thread

What is the thread class?

3a nut thread

What is the NSN for K261031?

5307-00-576-5779

What's the federal classification of K261031?

FSC 5307 ⁓ Studs

NSN 5307-00-576-5779 STUD,SELF-LOCKING

unf nut thread thread series self-locking cadmium surface treated 28 nut thread thread quantity per inch 0.985" overall length 0.485" nut thread thread length right-hand nut thread 3a nut thread thread class

NIIN
005765779
NIIN Date
01/01/63
Schedule B
 
Name Code
27783
FIIG
A051A0
Item Weight
0.000lbs
Item Dimensions
--
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
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. RBA144SA16 Cage 83324
2. 9194622 Cage 18876

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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 studs with similar characteristics

Nothing similar to this part number was found in our inventory

K261031 / Stud,self-lockingWhat is the formal definition of this item?

A headed fastener threaded externally on a portion or on the full length of the shank. the head has projections on the underside or periphery, or is otherwise designed to be mechanically pressed and embedded in a metallic panel, or the like. it is securely locked in position by the displaced metal. for items that require locking rings, see bolt, self-locking and stud, locked in. excludes insert, screw thread.