Assembled Washer Screw
90316A160
(NSN) National Stock Number
5305-01-612-6290
Federal Supply Classification
5305 Screws
Item Name Code
06660
Schedule B Code
7318152000
Summary
2a thread class, right-hand thread direction, 0.250 inches nominal thread length, 0.343 inches nominal fastener length, hexagon extended washer head style, 0.093 inches nominal head height
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 1 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | ZZ |
Identification
A screw, (as modified) to which has been assembled one or more nonremovable washer(s).
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 06660 | 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.Thread Length
0.250 inches nominal
Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Fastener Length
0.343 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 Style
hexagon extended washer
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.Head Height
0.093 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.Extended Washer Diameter
0.328 inches nominal
Details
None.Extended Washer Thickness
0.250 inches nominal
Details
None.Washer Quantity
1
Details
The number of washers included on the item.Internal Drive Style
slot
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.End Item Identification
4120-01-592-7940
Details
The national stock number or the identification information of the end equipment for which the item is a part.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
32
Details
The number of threads on the item per linear inch measured on a line parallel to the thread axis.Primary Washer Outside Diameter
0.328 inches nominal
Details
None.Primary Washer Style
flat
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the primary washer.Primary Washer Material Thickness
0.025 inches nominal
Details
None.Part Name Assigned By Controlling Agency
hex washer head slotted machine screw
Details
The name assigned to the item by the government agency or commercial organization controlling the design of the item.Material
steel property class 18.8 overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Thread Series Designator
unc
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.Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | A | A | - |
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 5305-01-612-6290
What is the NIIN of the NSN 5305-01-612-6290?
The National Item Identification Number (NIIN) of the NSN 5305-01-612-6290 is 01-612-6290
When the NSN 5305-01-612-6290 was assigned to the Federal Catalog?
It was assigned 12 years ago, on Tue, Oct 16, 2012
Does the NSN 5305-01-612-6290 contain any precious metals?
Does not contain precious metal
Does the NSN 5305-01-612-6290 contain any hazardous material?
No data in HMIRS
What is the ESD classification of NSN 5305-01-612-6290?
No known electrostatic discharge
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