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Datasheet. M63540/3-8-4 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.
2a 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
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.
0.375in. nut thread ⁓3/8"
Head Diameter
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
0.112in. and 0.114in.
Head Length
A measurement of the longest dimension of a head,in distinction from width.
A measurement of the longest dimension of a head,in distinction from width.
0.120in.
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.
head distortions
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.
0.250in. ⁓1/4"
Distance Across Flats
The distance across the flats.
The distance across the flats.
0.187in.
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.
40
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.
0.112in. nut thread ⁓1/8"
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 303
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.
QQ-S-764 fed 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.
passivate
Surface Treatment Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
MIL-F-14072 mil spec single treatment response
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.
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.
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
Answers.
What class is the thread series?
Unc
What is the style?
Self-locking
What material is the self-locking stud made of ?
Steel comp 303
What is the thread quantity per inch?
40
What is the thread length?
0.375 inches nut thread
What is the thread direction?
Right-hand
What is the thread class?
2a nut thread
What's the federal classification of M63540/3-8-4?
FSC 5307 ⁓ Studs
NSN 5307-01-423-0873 STUD,SELF-LOCKING
unc thread series self-locking passivate surface treated 40 thread quantity per inch 0.250" overall length 0.375" nut thread thread length right-hand 2a nut thread thread class
- NIIN
- 014230873
- NIIN Date
- 12/14/95
- Schedule B
- Name Code
- 27783
- FIIG
- A051A0
- QUP
- Historical Price
- $13.43 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. | MIL-S-63540/3 | Cage 81349 |
| 2. | MIL-S-63540/3 | Cage 81349 |
| 3. | MIL-S-63540/3 | Cage 81349 |
| 4. | MIL-S-63540/3 | Cage 81349 |
| 5. | MIL-S-63540/3 | Cage 81349 |
Major End Users Countries and entities
- - Department of The Air Force
Availability for M63540/3-8-4 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)
- 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
M63540/3-8-4 / 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.
