Locked in Stud
MS51989-105-20
(NSN) National Stock Number
5307-00-006-3215
Federal Supply Classification
5307 Studs
Item Name Code
16012
Schedule B Code
7318155000
Summary
3a nut thread thread class, +0.2778 to 0.2795 inches stud thread thread pitch diameters, right-hand nut thread thread direction, right-hand stud thread thread direction, 0.485 inches minimum nut thread and 0.515 inches maximum nut thread thread length, 0.375 inches minimum stud thread and 0.405 inches maximum stud thread thread length
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 5 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | ZZ |
Identification
A headless fastener externally threaded on both ends with each threaded portion of one but not necessarily the same nominal diameter. It is designed to be locked in place by either a ring, lock, serrated or a ring, lock, keyed.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 16012 | A051A0 | - | 1 |
Specifications
Thread Class
3a nut thread
Details
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.Thread Pitch Diameters
+0.2778 to 0.2795 inches stud thread
Details
The minimum and maximum pitch diameter limits of a straight screw thread.Thread Direction
right-hand nut thread
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.Thread Direction
right-hand stud thread
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.Thread Length
0.485 inches minimum nut thread and 0.515 inches maximum nut thread
Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Thread Length
0.375 inches minimum stud thread and 0.405 inches maximum stud thread
Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Locking Feature
ring, lock serrated
Details
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.Overall Length
1.780 inches minimum and 1.840 inches maximum
Details
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.Distance From Serrated Portion To Nut End
1.235 inches minimum and 1.265 inches maximum
Details
None.Distance From Serrated Portion To Stud End
0.545 inches minimum and 0.575 inches maximum
Details
None.Distance From Serrated Portion To End Of Stud Thread
0.140 inches minimum and 0.200 inches maximum
Details
None.Serration Quantity
17
Details
The number of serrations on the item.Thread Quantity Per Inch
18 stud thread
Details
The number of threads on the item per linear inch measured on a line parallel to the thread axis.Thread Quantity Per Inch
28 nut thread
Details
The number of threads on the item per linear inch measured on a line parallel to the thread axis.Hardness Rating
26.0 rockwell c minimum
Details
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.Nominal Thread Size
0.250 inches nut thread
Details
A designation that is used for the purpose of general identification of the thread.Nominal Thread Size
0.312 inches stud thread
Details
A designation that is used for the purpose of general identification of the thread.Surface Finish
32.0 microinches nut thd
Details
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.Serration Included Angle
86.0 degrees nominal
Details
The angle included in serrations.Material
steel comp 4130
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material Document And Classification
mil-s-6758 mil spec single material response
Details
The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.Surface Treatment
cadmium overall
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.Surface Treatment Document And Classification
qq-p-416,ty 2,cl 3 fed spec single treatment response overall
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.Style Designator
locked in
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.Thread Series Designator
unc stud thread
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.Thread Series Designator
unf nut thread
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.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| MS51989-105-20 | 81343 | E | - | 3 | 9 | - | ZZ |
| MS51989-105-20 | 96906 | 4 | - | 5 | 9 | - | ZG |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | U | - | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 48950 | - | W | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 573 | Z | 9 |
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Manufacturer
FAQs
Frequently asked questions for NSN 5307-00-006-3215
What is the NIIN of the NSN 5307-00-006-3215?
The National Item Identification Number (NIIN) of the NSN 5307-00-006-3215 is 00-006-3215
When the NSN 5307-00-006-3215 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Fri, Jun 23, 1972
Does the NSN 5307-00-006-3215 contain any precious metals?
Type/content is unknown
Does the NSN 5307-00-006-3215 contain any hazardous material?
No data in HMIRS
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