Locked in Stud
BACS21S11-18A
(NSN) National Stock Number
5307-00-025-8295
Federal Supply Classification
5307 Studs
Item Name Code
16012
Schedule B Code
-
Summary
3a nut thread thread class, +0.3358 to 0.3378 inches stud thread thread pitch diameters, right-hand nut thread thread direction, right-hand stud thread thread direction, 0.510 inches nominal stud thread thread length, 0.562 inches nominal nut thread thread length
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| X | - | - | 5 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | XX |
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
+0.3358 to 0.3378 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
0.510 inches nominal stud thread
Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Thread Length
0.562 inches nominal nut thread
Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Locking Feature
self-clinching head
Details
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.Overall Length
1.813 inches nominal
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
1.125 inches nominal
Details
None.Distance From Serrated Portion To Stud End
0.688 inches nominal
Details
None.Distance From Serrated Portion To End Of Stud Thread
0.178 inches nominal
Details
None.Thread Quantity Per Inch
16 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
24 nut thread
Details
The number of threads on the item per linear inch measured on a line parallel to the thread axis.Nominal Thread Size
0.312 inches nut thread
Details
A designation that is used for the purpose of general identification of the thread.Nominal Thread Size
0.375 inches stud thread
Details
A designation that is used for the purpose of general identification of the thread.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,cond c4 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.Style Designator
locked in
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.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.Thread Series Designator
uns 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.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| SF111-11SA18A | 83324 | X | - | 3 | 2 | - | XX |
| 890179-18 | 99551 | 5 | - | 5 | 2 | - | KZ |
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 |
|---|---|---|---|
| - | 713 | Z | 9 |
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Manufacturer
FAQs
Frequently asked questions for NSN 5307-00-025-8295
What is the NIIN of the NSN 5307-00-025-8295?
The National Item Identification Number (NIIN) of the NSN 5307-00-025-8295 is 00-025-8295
When the NSN 5307-00-025-8295 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5307-00-025-8295 contain any precious metals?
Type/content is unknown
Does the NSN 5307-00-025-8295 contain any hazardous material?
No data in HMIRS
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