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Datasheet. 494D7 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.
0.900in. and 0.960in. ⁓31/32"
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.
9.440in. ⁓9-29/64"
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.
0.344in. ⁓11/32"
0.741in. and 0.750in.
The length of a straight line which passes through the center of a hole,and terminates at the circumference.
0.070in. ⁓5/64"
0.494in. and 0.500in.
0.387in. and 0.391in.
0.494in. and 0.500in.
0.426in. and 0.430in.
0.494in. and 0.500in.
0.300in.
0.400in.
0.600in.
0.800in.
1.000in.
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
0.500in. ⁓1/2"
The number of holes provided.
6
Indicates the type of hole(s) provided in the item.
drilled
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.
26.0 rockwell c and 32.0 rockwell c
The style designation that most nearly corresponds to the appearance of the hole configuration.
hexagon longitudinal hole
The number of externally relieved diameters on the body,adjacent to the head.
5
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
navy special project
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.
sixth dia from head 0.387 in. min and 0.391 in. max length from largest bearing of head to end of sixth dia 8.510 in.
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 8740
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.
cadmium
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.
1EA
Unf
Steel comp 8740
20
0.070 inches
Hexagon
0.900 inches minimum and 0.960 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 5306 ⁓ Bolts
NSN 5306-00-589-7704 BOLT,EXTERNALLY RELIEVED BODY
unf thread series cadmium surface treated sixth dia from head 0.387 in. min navy special project 20 thread quantity per inch 0.070" hole diameter hexagon head style 0.900" thread length right-hand 3a thread class
- NIIN
- 005897704
- NIIN Date
- 01/01/63
- Schedule B
- 7318152000
- Name Code
- 06675
- FIIG
- A003B0
- Item Weight
- 0.000lbs
- Item Dimensions
- QUP
- 1
- Historical Price
- $26.15 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)
- 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 bolts with similar characteristics
Nothing similar to this part number was found in our inventory
494D7 / Bolt,externally relieved bodyWhat is the formal definition of this item?
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). it is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. excludes bolt, internal wrenching and thumbscrew. see also screw, externally relieved body.
