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Datasheet. 3284721 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3a
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.
0.673in. and 0.765in. ⁓49/64"
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.
0.735in. and 0.765in. ⁓49/64"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
flat chamfer
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
0.235in. and 0.245in.
A measurement from the bottom to the top of the head,in distinction from depth.
0.159in. and 0.164in. ⁓11/64"
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.
strip threads
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.
hexagon
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
0.164in. (UTS #8)
The shortest straight line between flats,perpendicular to the height.
0.141in. and 0.143in. ⁓5/32"
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
32
The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.
80000 pounds per square inch
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
80.0 rockwell c
The stress at which a material exhibits a specified limiting deviation from the proportionality of stress or strain.
30000 pounds per square inch
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.
0.018 in. wide groove located 0.390 in. from bearing surface of head
The chemical compound or mechanical mixture properties of which the item is fabricated.
plastic locking feature
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 384 fastener or steel comp 302 fastener or steel comp 304 fastener or steel comp 305 fastener or steel comp 316 fastener or steel comp XM-7 fastener
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 fastener
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-35 fed spec single treatment response fastener
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.
1EA
Unc
Steel comp 384 fastener or steel comp 302 fastener or steel comp 304 fastener or steel comp 305 fastener or steel comp 316 fastener or steel comp xm-7 fastener
Plastic locking feature
32
Flat chamfer
0.673 inches minimum and 0.765 inches maximum
Right-hand
3a
Schedule B number: 7318152000
nmfc 093486
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5305 ⁓ Screws
NSN 5305-01-168-0868 SCREW,CAP,SOCKET HEAD
unc thread series passivate fastener surface treated 0.018 in. wide groove located 0.390 in. from bearing surface of head 32 thread quantity per inch flat chamfer head style 0.673" thread length right-hand 3a thread class
- NIIN
- 011680868
- NIIN Date
- 12/12/83
- Schedule B
- 7318152000
- Name Code
- 16282
- FIIG
- A003B0
- Item Weight
- 0.100lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $5.18 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
Major End Users Countries and entities
- - Department of The Navy
- - Spain
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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 screws with similar characteristics
Nothing similar to this part number was found in our inventory
3284721 / Screw,cap,socket headWhat is the formal definition of this item?
An externally threaded fastener whose threaded portion is of one nominal diameter. the head has an internal socket or multiple spline for use with an inserted driver. a locking feature may be incorporated in the design of the head or threads. excludes items with bevel (conical) heads. see bolt, internal wrenching. excludes screw, shoulder; and screw, machine.
