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Datasheet. HL21-5-3 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.
0.500in. ⁓1/2"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
flush countersunk
0.079in. and 0.080in.
The length of a straight line which passes through the center of the body of the shank and terminates at the circumference.
0.163in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the shank.
PIN-Rivet, straight, threaded
0.326in. and 0.330in.
A measurement of the longest dimension of the grip,in distinction from width.
0.1875in.
The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.
160000 pounds per square inch
A designation that is used for the purpose of general identification of the thread.
0.164in. ⁓11/64"
The included angle of the countersink.
100.0 degrees
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
MIL-S-6758 mil spec single material response or MIL-S-5626 mil spec single material response or MIL-S-6049 mil spec single material response
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
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-416, ty 1, cl 3 fed spec single treatment response
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unjc
Answers.
Unjc
Steel
0.1875 inches maximum
Flush countersunk
Right-hand
3a
Schedule B number: 7318230000
Rivets of iron or steel
FSC 5320 ⁓ Rivets
NSN 5320-01-027-1314 PIN-RIVET
unjc thread series cadmium surface treated 0.1875" grip length flush countersunk head style right-hand 3a thread class
- NIIN
- 010271314
- NIIN Date
- 09/09/76
- Schedule B
- 7318230000
- Name Code
- 67165
- FIIG
- A528U0
- 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
Other Part Numbers Parts with same form, fit, and function by other manufacturers
Major End Users Countries and entities
- - Singapore
- - Australia
- - Canada
- - Germany
- - Republic of Korea
- - United Kingdom
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HL21-5-3 / 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.
