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Datasheet. B18.6.2 1/4-20UNC 2A X 1/2 LGCUP specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2a
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
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
0.469in. and 0.500in. ⁓1/2"
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.
0.469in. and 0.531in. ⁓17/32"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
square
A measurement from the bottom to the top of the head,in distinction from depth.
0.178in. and 0.196in. ⁓13/64"
0.241in. and 0.250in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the point.
cup
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.
w/o internal drive
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"
Those features,not otherwise specified,which may be required for proper functioning of the item.
casehardened
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
20
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
30.0 rockwell c and 37.0 rockwell c
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 1010 or steel comp 1020
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
66 fed std all material responses or sae J403 uns G10100 thru G10200 assn std all material responses
Characteristics or qualities of an item,not covered in any other requirement,which are considered essential information for one or more functions excluding nsn assignment.
natural fin. unplated/uncoated
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
The document designator of the specification or standard which established the item of supply.
81348-FF-S-210 government specification and 80204-ansi B18.6.2 professional/industrial association standard and 24617-102870 manufacturers standard and 11757-500568 manufacturers 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 4 style and 1/4.in size and 1/2in. length and 4 table
Answers.
Unc
Steel comp 1010 or steel comp 1020
20
Square
0.469 inches minimum and 0.500 inches maximum
Right-hand
2a
Schedule B number: 7318152000
nmfc 093486
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5305 ⁓ Screws
NSN 5305-00-010-2870 SETSCREW
unc thread series 20 thread quantity per inch square head style 0.469" thread length right-hand 2a thread class
- NIIN
- 000102870
- NIIN Date
- 01/12/87
- Schedule B
- 7318152000
- Name Code
- 06672
- FIIG
- A003B0
- Item Weight
- 0.000lbs
- Item Dimensions
- QUP
- Historical Price
- $18.20 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. | ANSI B18.6.2TABL4 1/4UNC2AX1/2CU | Cage 80204 |
| 2. | FF-S-210 | Cage 81348 |
| 3. | 500568-4 | Cage 11757 |
| 4. | 500568-4 | Cage U1809 |
| 5. | 102870 | Cage 7X677 |
| 6. | 102870 | Cage 19207 |
| 7. | 102870 | Cage 24617 |
Major End Users Countries and entities
- - Department of The Army
- - Department of The Navy
- - Department of The Air Force
- - U.s. Marine Corps
- - United Kingdom
- - Turkey
Availability for B18.6.2 1/4-20UNC 2A X 1/2 LGCUP 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
B18.6.2 1/4-20UNC 2A X 1/2 LGCUP / 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.
