Self-Locking Stud
FHS-M4-20
Right-hand stud thread thread direction, 17.6 millimeters minimum stud thread and 18.4 millimeters maximum stud thread thread length, 5.5 millimeters minimum and 6.3 millimeters maximum head diameter, 1.75 millimeters minimum and 2.25 millimeters maximum head length, self-clinching head locking feature, 19.6 millimeters minimum and 20.4 millimeters maximum overall length
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 4 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | 9Z |
A headed fastener threaded externally on a portion or on the full length of the shank. The head has projections on the underside or periphery, or is otherwise designed to be mechanically pressed and embedded in a metallic panel, or the like. It is securely locked in position by the displaced metal. For items that require locking rings, see bolt, self-locking and stud, locked in. Excludes:insert, screw thread.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 27783 | A051A0 | - | 1 |
Details
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.Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Details
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.Details
A measurement of the longest dimension of a head,in distinction from width.Details
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.Details
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.Details
A designation that is used for the purpose of general identification of the thread.Details
A measurement of distance between corresponding points on two adjacent threads measured parallel to the thread axis,expressed in millimeters.Details
A numeric-alpha designator indicating established pitch and crest diameter tolerance position and grade.Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Details
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.Details
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.Details
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.Details
The document designator of the specification or standard which established the item of supply.| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | U | - | - |
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| - | - | - | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | - | - | - |
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What is the NIIN of the NSN 5307-01-204-1082?
When the NSN 5307-01-204-1082 was assigned to the Federal Catalog?
Does the NSN 5307-01-204-1082 contain any precious metals?
Does the NSN 5307-01-204-1082 contain any hazardous material?
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