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Datasheet. NAS1728-4-7 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
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.
0.656in. ⁓21/32"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
straight pan
A measurement from the bottom to the top of the head,in distinction from depth.
0.070in. ⁓5/64"
A substance designed to provide a reduction of friction between the two surfaces in contact.
cetyl alcohol and dry film
A designation that is used for the purpose of general identification of the thread.
0.2500in. ⁓1/4"
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
fastener, shear, protruding head tapered shank
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 4140 body
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 body
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unjf
Answers.
Unjf
Steel comp 4140 body
Straight pan
Right-hand
3a
Schedule B number: 7318230000
Rivets of iron or steel
FSC 5320 ⁓ Rivets
NSN 5320-01-621-5089 PIN-RIVET
unjf thread series cadmium body surface treated fastener, shear, protruding head tapered shank straight pan head style right-hand 3a thread class
- NIIN
- 016215089
- NIIN Date
- 09/10/13
- Schedule B
- 7318230000
- Name Code
- 67165
- FIIG
- A528U0
- DEMIL / ITAR
- Uncontrolled item (Code )
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- --
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Major End Users Countries and entities
- - Canada
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NAS1728-4-7 / Pin-rivetWhat is the formal definition of this item?
A metallic or nonmetallic item, headed at one end, with a cylindrically shaped shank which may be tapered, grooved, or threaded. a locking collar or sleeve may be provided to perform the same holding action as the clinching portion of a conventional rivet. the shank may include an external wrenching facility which breaks off at a predetermined applied torque.
