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Datasheet. 8Z1021PC81 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.
0.260in. ⁓17/64"
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.
1.125in. ⁓1-1/8"
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.
flat countersunk
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.
0.327in.
Point Length
A measurement of the longest dimension of the point,in distinction from width.
A measurement of the longest dimension of the point,in distinction from width.
0.659in.
Point Diameter
The length of a straight line which passes through the center of a circular point,and terminates at the circumference.
The length of a straight line which passes through the center of a circular point,and terminates at the circumference.
0.137in.
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.
dog
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.
slot
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.
0.250in. ⁓1/4"
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.
28
Countersink Angle
The included angle of the countersink.
The included angle of the countersink.
82.0 degrees
Part Name Assigned By Controlling Agency
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
navy special project
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.
copper alloy 360
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
Answers.
What class is the thread series?
Unf
What material is the setscrew made of ?
Copper alloy 360
What is the thread quantity per inch?
28
What is the head style?
Flat countersunk
What is the thread length?
0.260 inches
What is the thread direction?
Right-hand
What is the thread class?
3a
How is this classified for shipping?
Schedule B number: 7415338550
nmfc 096630
Other copper screws (not for wood) bolts and nuts
What's the federal classification of 8Z1021PC81?
FSC 5305 ⁓ Screws
NSN 5305-00-334-8737 SETSCREW
unf thread series navy special project 28 thread quantity per inch flat countersunk head style 0.260" thread length right-hand 3a thread class
- NIIN
- 003348737
- NIIN Date
- 01/01/63
- Schedule B
- 7415338550
- Name Code
- 06672
- FIIG
- A003B0
- QUP
- Historical Price
- $0.13 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
Major End Users Countries and entities
- - Department of The Navy
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- Special Handling
- Other or no special handling required (sh)
- LTL (less than a truck load rating)
- 70.0
- 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)
- 096630 SCREWS NOI BRASS/BRONZE/COPPER
- UFC (universal freight code)
- 50590
Similar by Design Other setscrews with similar characteristics
Nothing similar to this part number was found in our inventory
8Z1021PC81 / 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.
