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Datasheet. MS51981-64 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
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.
1.000in. ⁓1/64"
Fastener Length
The dimension,measured along a line parallel to the longitudinal axis,from the largest bearing surface of the fastener head to the extreme opposite end,or as specifically designated for other type fasteners.
The dimension,measured along a line parallel to the longitudinal axis,from the largest bearing surface of the fastener head to the extreme opposite end,or as specifically designated for other type fasteners.
1.000in. ⁓1/64"
Head Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
headless (setscrew)
Point Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the point.
The style designation indicating the configuration that most nearly corresponds to the appearance of the point.
oval
Internal Drive Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.
hexagon
Nominal Thread Diameter
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
0.312in. ⁓5/16"
Width Across Flats
The shortest straight line between flats,perpendicular to the height.
The shortest straight line between flats,perpendicular to the height.
0.156in. ⁓5/32"
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.
18
Hardness Rating
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
45.0 rockwell c and 53.0 rockwell c
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
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 and chromate
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.
QQ-P-416, ty 2, cl 3 fed spec all treatment responses
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
Nondefinitive Spec/std Data
The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.
The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.
1 type and 3 style
Answers.
What class is the thread series?
Unc
What material is the setscrew made of ?
Steel
What is the thread quantity per inch?
18
What is the head style?
Headless (setscrew)
What is the thread length?
1.000 inches minimum
What is the thread direction?
Right-hand
What is the thread class?
3a
How is this classified for shipping?
Schedule B number: 7318152000
nmfc 093486
Bolts and bolts and their nuts or washers exported in the same shipment
What's the federal classification of MS51981-64?
FSC 5305 ⁓ Screws
NSN 5305-00-715-1202 SETSCREW
unc thread series cadmium surface treated 18 thread quantity per inch headless (setscrew) head style 1.000" thread length right-hand 3a thread class
- NIIN
- 007151202
- NIIN Date
- 01/01/60
- Schedule B
- 7318152000
- Name Code
- 06672
- FIIG
- A003B0
- Item Weight
- 0.200lbs
- Item Dimensions
- --
- QUP
- Historical Price
- $19.18 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. | 0688V035 | Cage 27315 |
Major End Users Countries and entities
- - Department of The Navy
- - Department of The Army
- - Department of The Air Force
- - Poland
- - Spain
- - Republic of Korea
- - Italy
- - Greece
Availability for MS51981-64 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 setscrews with similar characteristics
Nothing similar to this part number was found in our inventory
MS51981-64 / SetscrewWhat is the formal definition of this item?
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. a locking feature may be incorporated in the design of the head or threads.
