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Datasheet. 3M33-4D13 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3a
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
0.443in. and 0.510in. ⁓33/64"
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.
1.265in. and 1.312in. ⁓1-5/16"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
hexagon
A measurement from the bottom to the top of the head,in distinction from depth.
0.140in. and 0.172in. ⁓11/64"
0.428in. and 0.440in.
The length of a straight line which passes through the center of the grip,and terminates at the circumference.
0.2487in. and 0.2492in.
The length of a straight line which passes through the center of the shank unthreaded hole,and terminates at the inside circumference.
0.076in. first hole and 0.086in. first hole
A measurement of the longest dimension of the grip,in distinction from width.
0.802in. and 0.822in.
Answers.
0.802 inches minimum and 0.822 inches maximum
Hexagon
0.443 inches minimum and 0.510 inches maximum
3a
FSC 5306 ⁓ Bolts
NSN 5306-01-045-3679 BOLT,CLOSE TOLERANCE
0.802" grip length hexagon head style 0.443" thread length 3a thread class
- NIIN
- 010453679
- NIIN Date
- 08/01/77
- Schedule B
- Name Code
- 27851
- FIIG
- A003B0
- Item Weight
- 0.000lbs
- Item Dimensions
- --
- 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
- - Republic of Korea
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- 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)
- Bolts or nuts (iron or steel),(less than 35 feet)
- NMFC (national motor freight code)
- 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
- UFC (universal freight code)
- 48950
Similar by Design Other bolts with similar characteristics
Nothing similar to this part number was found in our inventory
3M33-4D13 / Bolt,close toleranceWhat is the formal definition of this item?
An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. the nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. the head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. for items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. for items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.
