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Datasheet. 2578533-001A 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 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.
0.250in. ⁓1/4"
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.
0.490in. ⁓1/2"
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.
hexagon
Head Height
A measurement from the bottom to the top of the head,in distinction from depth.
A measurement from the bottom to the top of the head,in distinction from depth.
0.180in. ⁓3/16"
Width Between Flats
0.430in. and 0.440in.
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.
0.240in.
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.
0.245in. and 0.255in.
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.
chamfer dog
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"
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
Minimum Tensile Strength
The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.
The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.
220000 pounds per square inch
Special Features
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.
thd od modified to 0.289 in. min, 0.299 in. max
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 quantity is this sold in?
1EA
What class is the thread series?
Unf
What is the thread quantity per inch?
24
What is the head style?
Hexagon
What is the thread length?
0.250 inches maximum
What is the thread class?
3a
What's the federal classification of 2578533-001A?
FSC 5305 ⁓ Screws
NSN 5305-00-450-0209 SETSCREW
unf thread series thd od modified to 0.289 in. min, 0.299 in. max 24 thread quantity per inch hexagon head style 0.250" thread length 3a thread class
- NIIN
- 004500209
- NIIN Date
- 05/14/71
- Schedule B
- Name Code
- 06672
- FIIG
- A003B0
- Item Weight
- 0.100lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $199.30 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
Major End Users Countries and entities
- - Department of The Navy
Availability for 2578533-001A 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
2578533-001A / 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.
