Assembled Washer Screw
A3307785-12
(NSN) National Stock Number
5305-01-561-8943
Federal Supply Classification
5305 Screws
Item Name Code
06660
Schedule B Code
7318152000
Summary
2a thread class, right-hand thread direction, 0.292 inches minimum and 0.312 inches maximum fastener length, pan no. 2 head style, 0.195 inches minimum and 0.208 inches maximum head diameter, 0.070 inches minimum and 0.080 inches maximum 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.Fastener Length
0.292 inches minimum and 0.312 inches maximum
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
pan no. 2
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.Head Diameter
0.195 inches minimum and 0.208 inches maximum
Details
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.Head Height
0.070 inches minimum and 0.080 inches maximum
Details
A measurement from the bottom to the top of the head,in distinction from depth.Washer Quantity
2
Details
The number of washers included on the item.Internal Drive Style
cross recess type ii
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.Nominal Thread Diameter
0.122 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.Secondary Washer Relationship To Primary Washer
not identical
Details
An indication of whether or not the secondary is identical to the primary washer.Secondary Washer Style
flat
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the secondary washer.Primary Washer Outside Diameter
0.195 inches minimum and 0.208 inches maximum
Details
None.Secondary Washer Outside Diameter
0.204 inches minimum and 0.224 inches maximum
Details
None.Primary Washer Style
split helical ring
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 minimum and 0.047 inches maximum
Details
None.Secondary Washer Material Thickness
0.028 inches minimum and 0.036 inches maximum
Details
None.Part Name Assigned By Controlling Agency
screw, pan head, phillips, double sems
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 primary washer
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material
steel property class 18.8 secondary washer
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material
steel property class 18.8 fastener
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
astm a380 assn std 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
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 |
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 5305-01-561-8943
What is the NIIN of the NSN 5305-01-561-8943?
The National Item Identification Number (NIIN) of the NSN 5305-01-561-8943 is 01-561-8943
When the NSN 5305-01-561-8943 was assigned to the Federal Catalog?
It was assigned 16 years ago, on Fri, Mar 21, 2008
Does the NSN 5305-01-561-8943 contain any precious metals?
Does not contain precious metal
Does the NSN 5305-01-561-8943 contain any hazardous material?
No data in HMIRS
What is the ESD classification of NSN 5305-01-561-8943?
No known electrostatic discharge
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