Eccentric Head Bolt
SM-B-187165
(NSN) National Stock Number
5306-00-591-0870
Federal Supply Classification
5306 Bolts
Item Name Code
21861
Schedule B Code
7318152000
Summary
2a thread class, right-hand thread direction, 0.219 inches nominal fastener length, 0.078 inches nominal head height, 0.250 inches nominal width between flats, 0.138 inches nominal thread diameter
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 1 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | TX |
Identification
An externally threaded fastener the head of which is usually flat with a periphery not concentric to the bolt shank. The head is not designed for wrenching. It may have a drive feature located at the threaded end, which can be used to rotate the screw and eccentric head into a locking position to secure a flanged or groove component.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 21861 | A003B0 | - | 1 |
Specifications
Thread Class
2a
Details
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.Thread Direction
right-hand
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.Fastener Length
0.219 inches nominal
Details
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.Head Height
0.078 inches nominal
Details
A measurement from the bottom to the top of the head,in distinction from depth.Width Between Flats
0.250 inches nominal
Details
None.Nominal Thread Diameter
0.138 inches
Details
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.Thread Quantity Per Inch
40
Details
The number of threads on the item per linear inch measured on a line parallel to the thread axis.Special Features
extention on flat 0.188 in. lg,with slot
Details
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.Material
steel comp 303 overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Surface Treatment
passivate 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-35 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.Thread Series Designator
unf
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 |
|---|---|---|---|---|---|---|---|
| 55738 | 82423 | 5 | - | 5 | 9 | - | TX |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | A | - | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 49790 | - | Q | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 713 | Z | 9 |
Certified Supplier
Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.
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Manufacturer
US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR
CAGE: 80063
ABERDEEN PROVING GROUND
, MD
, 21005
UNITED STATES
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FAQs
Frequently asked questions for NSN 5306-00-591-0870
What is the NIIN of the NSN 5306-00-591-0870?
The National Item Identification Number (NIIN) of the NSN 5306-00-591-0870 is 00-591-0870
When the NSN 5306-00-591-0870 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5306-00-591-0870 contain any precious metals?
Does not contain precious metal
Does the NSN 5306-00-591-0870 contain any hazardous material?
No data in HMIRS
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