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Datasheet. SF121-12SA18A specification
Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
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.
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.
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.
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.
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
0.520in. stud thread ⁓17/32"
Thread Length
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
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.
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.
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
1.875in. ⁓1-7/8"
Distance From Serrated Portion To Nut End
1.125in.
Distance From Serrated Portion To Stud End
0.750in.
Distance From Serrated Portion To End Of Stud Thread
0.230in.
Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
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.
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.
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.
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.
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.
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, cond C4 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.
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.
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.
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unc stud 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.
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 quantity is this sold in?
1EA
What class is the thread series?
Unf nut thread
What class is the thread series?
Unc stud 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?
0.520 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's the federal classification of SF121-12SA18A?
FSC 5307 ⁓ Studs
NSN 5307-00-271-8651 STUD,LOCKED IN
unf nut thread thread series locked in cadmium surface treated 24 nut thread thread quantity per inch 1.875" overall length 0.625" nut thread thread length right-hand stud thread 3a nut thread thread class
- NIIN
- 002718651
- NIIN Date
- 01/01/63
- Schedule B
- Name Code
- 16012
- FIIG
- A051A0
- Item Weight
- 0.000lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $191.63 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. | 682-510-9007 | Cage 99193 |
| 2. | BACS21S12-18A | Cage 81205 |
Major End Users Countries and entities
- - Department of The Air Force
- - Department of The Navy
- - France
- - Germany
- - Turkey
Availability for SF121-12SA18A A member of our team will provide you with a price and availability quote
Request a Quote »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)
- 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
SF121-12SA18A / 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.
