SF121-12SA16

SF12112SA16 Locked In Stud

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Quality Commitment

Serving our customers with quality and safety first.

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AS9120 Certified by SAI Global

Datasheet. SF121-12SA16 specification

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

3a nut thread

Thread Pitch Diameters
The minimum and maximum pitch diameter limits of a straight screw thread.

+0.3926/+0.3946in. stud 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 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 stud thread

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

0.518in. stud thread ⁓17/32"

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

0.625in. nut thread ⁓5/8"

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

ring, lock serrated

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

1.750in. ⁓1-3/4"

Distance From Serrated Portion To Nut End

1.000in.

Distance From Serrated Portion To Stud End

0.750in.

Distance From Serrated Portion To End Of Stud Thread

0.232in.

Distance From Cotter Pin Hole Centerline To Nut End
The distance,measured along a straight line parallel to the longitudinal axis,from the center of the cotter pin hole to the nut end of the item.

0.172in. first hole

Cotter Pin Hole Diameter
The length of a straight line which passes through the center of the cotter pin hole,and terminates at the circumference.

0.106in. first hole

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

14 stud thread

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

24 nut thread

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

0.375in. nut thread ⁓3/8"

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

0.438in. stud thread ⁓29/64"

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

steel comp 4130

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.

MIL-S-6758 mil spec 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.

cadmium

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

locked in

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

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.

uns stud thread

Answers.

What class is the thread series?

Uns stud thread

What class is the thread series?

Unf nut thread

What is the style?

Locked in

What material is the locked in stud made of ?

Steel comp 4130

What is the thread quantity per inch?

24 nut thread

What is the thread quantity per inch?

14 stud thread

What is the thread length?

0.625 inches nut thread

What is the thread length?

0.518 inches stud thread

What is the thread direction?

Right-hand stud thread

What is the thread direction?

Right-hand nut thread

What is the thread class?

3a nut thread

What is the NSN for SF121-12SA16?

5307-00-564-6222

What's the federal classification of SF121-12SA16?

FSC 5307 ⁓ Studs

NSN 5307-00-564-6222 STUD,LOCKED IN

uns stud thread thread series locked in cadmium surface treated 24 nut thread thread quantity per inch 1.750" overall length 0.625" nut thread thread length right-hand stud thread 3a nut thread thread class

NIIN
005646222
NIIN Date
01/01/63
Schedule B
 
Name Code
16012
FIIG
A051A0
QUP
 
Historical Price
$25.73 EA
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. 50669-7 Cage 21439
2. 50668-16 Cage 21439
3. 503459-3 Cage 80020
4. 503516-5 Cage 80020
5. MS51989-107-16 Cage 96906

Major End Users Countries and entities

  • - Canada 
  • - Turkey 

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Similar by Design Other studs with similar characteristics

Nothing similar to this part number was found in our inventory

SF121-12SA16 / Stud,locked inWhat is the formal definition of this item?

A headless fastener externally threaded on both ends with each threaded portion of one but not necessarily the same nominal diameter. it is designed to be locked in place by either a ring, lock, serrated or a ring, lock, keyed.