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Datasheet. SF121-18TB20AE0 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3a nut thread
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
0.505in. stud thread and 0.535in. stud thread ⁓35/64"
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
0.605in. nut thread and 0.635in. nut thread ⁓41/64"
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.
2.345in. and 2.405in. ⁓2-13/32"
1.235in. and 1.265in.
1.110in. and 1.140in.
0.575in. and 0.635in.
The number of serrations on the item.
24
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
navy special project
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
locked in
Answers.
Locked in
0.605 inches minimum nut thread and 0.635 inches maximum nut thread
0.505 inches minimum stud thread and 0.535 inches maximum stud thread
3a nut thread
FSC 5307 ⁓ Studs
NSN 5307-01-123-7166 STUD,LOCKED IN
locked in navy special project 2.345" overall length 0.605" nut thread thread length 3a nut thread thread class
- NIIN
- 011237166
- NIIN Date
- 12/16/81
- Schedule B
- Name Code
- 16012
- FIIG
- A051A0
- QUP
- Historical Price
- $294.53 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
Other Part Numbers Parts with same form, fit, and function by other manufacturers
| 1. | SF121-18TB20A-EO301 | Cage 83324 |
Major End Users Countries and entities
- - Department of The Navy
Availability for SF121-18TB20AE0 A member of our team will provide you with a price and availability quote
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- 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 studs with similar characteristics
Nothing similar to this part number was found in our inventory
SF121-18TB20AE0 / 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.
