Assembled Washer Screw
11940012
(NSN) National Stock Number
5305-00-920-3898
Federal Supply Classification
5305 Screws
Item Name Code
06660
Schedule B Code
7318152000
Summary
2a thread class, right-hand thread direction, 0.250 inches minimum thread length, 0.250 inches nominal fastener length, hexagon head style, 0.080 inches minimum and 0.093 inches maximum head height
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| X | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 9 | - | - | XX |
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 minimum
Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Fastener Length
0.250 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
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.Head Height
0.080 inches minimum and 0.093 inches maximum
Details
A measurement from the bottom to the top of the head,in distinction from depth.Width Between Flats
0.244 inches minimum and 0.250 inches maximum
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.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.Nonmachine Thread Style
gimlet point (type a, ab or ba)
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of a nonmachine thread.Primary Washer Outside Diameter
0.270 inches minimum and 0.280 inches maximum
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
0.031 inches nominal
Details
None.Material
steel overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.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.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 | U | - | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| - | - | - | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | - | - | - |
Certified Supplier
Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.
- ISO9001 / AS9100 Quality Standards
- HAZMAT Certified
- On Time Delivery
- Qualified sales team
- Counterfeit Parts Prevention
- 100% Product Inspections
Manufacturer
FAQs
Frequently asked questions for NSN 5305-00-920-3898
What is the NIIN of the NSN 5305-00-920-3898?
The National Item Identification Number (NIIN) of the NSN 5305-00-920-3898 is 00-920-3898
When the NSN 5305-00-920-3898 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Fri, Jan 1, 1960
Does the NSN 5305-00-920-3898 contain any precious metals?
Type/content is unknown
Does the NSN 5305-00-920-3898 contain any hazardous material?
No data in HMIRS
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