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Datasheet. 523840 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.
1.000in. ⁓1/64"
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.
1.220in. ⁓1-15/64"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
double hexagon
A measurement from the bottom to the top of the head,in distinction from depth.
0.219in. ⁓7/32"
0.500in.
The length of a straight line which passes through the center of the shoulder and terminates at the circumference.
0.298in.
The length of the enlarged portion of the shank on the item,in distinction from width or diameter.
1.000in.
The national stock number or the identification information of the end equipment for which the item is a part.
pratt and whitney gas turbine model FT4A-2, used on whec 378 ft u. s. coast guard vessels
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"
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
24
The physical configuration of the unthreaded portion of a body adjacent to the head which is larger than the diameter of the shank.
round
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.
used on left and right support bracket on 378 and 400 ft uscg cutters
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel
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
24
Double hexagon
1.000 inches
Right-hand
3a
Schedule B number: 7318152000
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5306 ⁓ Bolts
NSN 5306-01-146-3550 BOLT,SHOULDER
Used on pratt and whitney gas turbine model ft4a-2, whec 378 ft u. s. coast guard vessels. unf thread series used on left 24 thread quantity per inch double hexagon head style 1.000" thread length right-hand 3a thread class
- NIIN
- 011463550
- NIIN Date
- 01/29/83
- Schedule B
- 7318152000
- Name Code
- 04905
- FIIG
- A003B0
- QUP
- 1
- Historical Price
- $59.75 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
Major End Users Countries and entities
- - U.s. Coast Guard
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523840 / Bolt,shoulderWhat is the formal definition of this item?
An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. it has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. the head is not designed to be held or driven with an inserted drivers. a locking feature may be incorporated in the design of the head or threads. for items with a thread diameter smaller than no. 10 (0.190 in.) (5 mm) and those items with an inserted drive head, use screw, shoulder. for items which are no. 10 (0.190 in.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use bolt, externally relieved body. excludes thumbscrew.
