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Datasheet. SF121-12SA16 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3a nut thread
The minimum and maximum pitch diameter limits of a straight screw thread.
+0.3926/+0.3946in. stud thread
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
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
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
0.518in. stud thread ⁓17/32"
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
0.625in. nut thread ⁓5/8"
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.
ring, lock serrated
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
1.750in. ⁓1-3/4"
1.000in.
0.750in.
0.232in.
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
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
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
14 stud thread
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
24 nut thread
A designation that is used for the purpose of general identification of the thread.
0.375in. nut thread ⁓3/8"
A designation that is used for the purpose of general identification of the thread.
0.438in. stud thread ⁓29/64"
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 4130
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
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
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
locked in
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
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.
Uns stud thread
Unf nut thread
Locked in
Steel comp 4130
24 nut thread
14 stud thread
0.625 inches nut thread
0.518 inches stud thread
Right-hand stud thread
Right-hand nut thread
3a nut thread
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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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.
